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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-13 14:06:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-13 14:06:08 -0700
commit04734361953b8cc30d5552c1abe907ccfc8bc0fa (patch)
treeff403fb324e5591517223a8ade6d45eba0367fa1
parenta976835fdb312590ee5c085567a4e2b06da7ac33 (diff)
parentfe99b819487dba848cddd3d4bf4beb8e653d7e9c (diff)
Merge tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull more i2c updates from Wolfram Sang: - two driver fixes for issues introduced this cycle - one trivial driver improvement regarding ACPI - more DTS conversion and additions - documentation updates - subsystem-wide move from strlcpy to strscpy * tag 'i2c-for-5.20-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: docs: i2c: i2c-sysfs: fix hyperlinks docs: i2c: i2c-sysfs: improve wording docs: i2c: instantiating-devices: add syntax coloring to dts and C blocks docs: i2c: smbus-protocol: improve DataLow/DataHigh definition docs: i2c: i2c-protocol: remove unused legend items docs: i2c: i2c-protocol,smbus-protocol: remove nonsense words docs: i2c: i2c-protocol: update introductory paragraph i2c: move core from strlcpy to strscpy i2c: move drivers from strlcpy to strscpy i2c: kempld: Support ACPI I2C device declaration i2c: mediatek: add i2c compatible for MT8188 dt-bindings: i2c: update bindings for mt8188 soc i2c: microchip-corei2c: fix erroneous late ack send dt-bindings: i2c: qcom,i2c-cci: convert to dtschema i2c: qcom-geni: Fix GPI DMA buffer sync-back
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml1
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt96
-rw-r--r--Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml242
-rw-r--r--Documentation/i2c/i2c-protocol.rst11
-rw-r--r--Documentation/i2c/i2c-sysfs.rst24
-rw-r--r--Documentation/i2c/instantiating-devices.rst16
-rw-r--r--Documentation/i2c/smbus-protocol.rst6
-rw-r--r--MAINTAINERS2
-rw-r--r--drivers/i2c/busses/i2c-altera.c2
-rw-r--r--drivers/i2c/busses/i2c-aspeed.c2
-rw-r--r--drivers/i2c/busses/i2c-au1550.c2
-rw-r--r--drivers/i2c/busses/i2c-axxia.c2
-rw-r--r--drivers/i2c/busses/i2c-bcm-kona.c2
-rw-r--r--drivers/i2c/busses/i2c-brcmstb.c2
-rw-r--r--drivers/i2c/busses/i2c-cbus-gpio.c2
-rw-r--r--drivers/i2c/busses/i2c-cht-wc.c2
-rw-r--r--drivers/i2c/busses/i2c-cros-ec-tunnel.c2
-rw-r--r--drivers/i2c/busses/i2c-davinci.c2
-rw-r--r--drivers/i2c/busses/i2c-digicolor.c2
-rw-r--r--drivers/i2c/busses/i2c-eg20t.c2
-rw-r--r--drivers/i2c/busses/i2c-emev2.c2
-rw-r--r--drivers/i2c/busses/i2c-exynos5.c2
-rw-r--r--drivers/i2c/busses/i2c-gpio.c2
-rw-r--r--drivers/i2c/busses/i2c-highlander.c2
-rw-r--r--drivers/i2c/busses/i2c-hix5hd2.c2
-rw-r--r--drivers/i2c/busses/i2c-i801.c4
-rw-r--r--drivers/i2c/busses/i2c-ibm_iic.c2
-rw-r--r--drivers/i2c/busses/i2c-icy.c2
-rw-r--r--drivers/i2c/busses/i2c-imx-lpi2c.c2
-rw-r--r--drivers/i2c/busses/i2c-kempld.c1
-rw-r--r--drivers/i2c/busses/i2c-lpc2k.c2
-rw-r--r--drivers/i2c/busses/i2c-meson.c2
-rw-r--r--drivers/i2c/busses/i2c-microchip-corei2c.c2
-rw-r--r--drivers/i2c/busses/i2c-mt65xx.c45
-rw-r--r--drivers/i2c/busses/i2c-mt7621.c2
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c2
-rw-r--r--drivers/i2c/busses/i2c-mxs.c2
-rw-r--r--drivers/i2c/busses/i2c-nvidia-gpu.c2
-rw-r--r--drivers/i2c/busses/i2c-omap.c2
-rw-r--r--drivers/i2c/busses/i2c-opal.c4
-rw-r--r--drivers/i2c/busses/i2c-parport.c2
-rw-r--r--drivers/i2c/busses/i2c-pxa.c2
-rw-r--r--drivers/i2c/busses/i2c-qcom-geni.c7
-rw-r--r--drivers/i2c/busses/i2c-qup.c2
-rw-r--r--drivers/i2c/busses/i2c-rcar.c2
-rw-r--r--drivers/i2c/busses/i2c-riic.c2
-rw-r--r--drivers/i2c/busses/i2c-rk3x.c2
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c2
-rw-r--r--drivers/i2c/busses/i2c-sh_mobile.c2
-rw-r--r--drivers/i2c/busses/i2c-simtec.c2
-rw-r--r--drivers/i2c/busses/i2c-taos-evm.c2
-rw-r--r--drivers/i2c/busses/i2c-tegra-bpmp.c2
-rw-r--r--drivers/i2c/busses/i2c-tegra.c2
-rw-r--r--drivers/i2c/busses/i2c-uniphier-f.c2
-rw-r--r--drivers/i2c/busses/i2c-uniphier.c2
-rw-r--r--drivers/i2c/busses/i2c-versatile.c2
-rw-r--r--drivers/i2c/busses/i2c-wmt.c2
-rw-r--r--drivers/i2c/i2c-core-base.c2
-rw-r--r--drivers/i2c/i2c-smbus.c2
59 files changed, 370 insertions, 181 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
index 16a1a3118204..4e730fb7be56 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
+++ b/Documentation/devicetree/bindings/i2c/i2c-mt65xx.yaml
@@ -27,6 +27,7 @@ properties:
- const: mediatek,mt8173-i2c
- const: mediatek,mt8183-i2c
- const: mediatek,mt8186-i2c
+ - const: mediatek,mt8188-i2c
- const: mediatek,mt8192-i2c
- items:
- enum:
diff --git a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt b/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
deleted file mode 100644
index 166865e48849..000000000000
--- a/Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
+++ /dev/null
@@ -1,96 +0,0 @@
-Qualcomm Camera Control Interface (CCI) I2C controller
-
-PROPERTIES:
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be one of:
- "qcom,msm8916-cci"
- "qcom,msm8974-cci"
- "qcom,msm8996-cci"
- "qcom,sdm845-cci"
- "qcom,sm8250-cci"
- "qcom,sm8450-cci"
-
-- reg
- Usage: required
- Value type: <prop-encoded-array>
- Definition: base address CCI I2C controller and length of memory
- mapped region.
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: specifies the CCI I2C interrupt. The format of the
- specifier is defined by the binding document describing
- the node's interrupt parent.
-
-- clocks:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: a list of phandle, should contain an entry for each
- entries in clock-names.
-
-- clock-names
- Usage: required
- Value type: <string>
- Definition: a list of clock names, must include "cci" clock.
-
-- power-domains
- Usage: required for "qcom,msm8996-cci"
- Value type: <prop-encoded-array>
- Definition:
-
-SUBNODES:
-
-The CCI provides I2C masters for one (msm8916) or two i2c busses (msm8974,
-msm8996, sdm845, sm8250 and sm8450), described as subdevices named "i2c-bus@0"
-and "i2c-bus@1".
-
-PROPERTIES:
-
-- reg:
- Usage: required
- Value type: <u32>
- Definition: Index of the CCI bus/master
-
-- clock-frequency:
- Usage: optional
- Value type: <u32>
- Definition: Desired I2C bus clock frequency in Hz, defaults to 100
- kHz if omitted.
-
-Example:
-
- cci@a0c000 {
- compatible = "qcom,msm8996-cci";
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <0xa0c000 0x1000>;
- interrupts = <GIC_SPI 295 IRQ_TYPE_EDGE_RISING>;
- clocks = <&mmcc MMSS_MMAGIC_AHB_CLK>,
- <&mmcc CAMSS_TOP_AHB_CLK>,
- <&mmcc CAMSS_CCI_AHB_CLK>,
- <&mmcc CAMSS_CCI_CLK>,
- <&mmcc CAMSS_AHB_CLK>;
- clock-names = "mmss_mmagic_ahb",
- "camss_top_ahb",
- "cci_ahb",
- "cci",
- "camss_ahb";
-
- i2c-bus@0 {
- reg = <0>;
- clock-frequency = <400000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
-
- i2c-bus@1 {
- reg = <1>;
- clock-frequency = <400000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
- };
diff --git a/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
new file mode 100644
index 000000000000..90c9e401229e
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
@@ -0,0 +1,242 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/qcom,i2c-cci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Camera Control Interface (CCI) I2C controller
+
+maintainers:
+ - Loic Poulain <loic.poulain@linaro.org>
+ - Robert Foss <robert.foss@linaro.org>
+
+properties:
+ compatible:
+ enum:
+ - qcom,msm8916-cci
+ - qcom,msm8974-cci
+ - qcom,msm8996-cci
+ - qcom,sdm845-cci
+ - qcom,sm8250-cci
+ - qcom,sm8450-cci
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ clocks:
+ minItems: 4
+ maxItems: 6
+
+ clock-names:
+ minItems: 4
+ maxItems: 6
+
+ interrupts:
+ maxItems: 1
+
+ power-domains:
+ maxItems: 1
+
+ reg:
+ maxItems: 1
+
+patternProperties:
+ "^i2c-bus@[01]$":
+ $ref: /schemas/i2c/i2c-controller.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ reg:
+ maxItems: 1
+
+ clock-frequency:
+ default: 100000
+
+required:
+ - compatible
+ - clock-names
+ - clocks
+ - interrupts
+ - reg
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8996-cci
+ then:
+ required:
+ - power-domains
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8916-cci
+ then:
+ properties:
+ i2c-bus@1: false
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,msm8916-cci
+ - qcom,msm8996-cci
+ then:
+ properties:
+ clocks:
+ maxItems: 4
+ clock-names:
+ items:
+ - const: camss_top_ahb
+ - const: cci_ahb
+ - const: cci
+ - const: camss_ahb
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sdm845-cci
+ then:
+ properties:
+ clocks:
+ minItems: 6
+ clock-names:
+ items:
+ - const: camnoc_axi
+ - const: soc_ahb
+ - const: slow_ahb_src
+ - const: cpas_ahb
+ - const: cci
+ - const: cci_src
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - qcom,sm8250-cci
+ then:
+ properties:
+ clocks:
+ minItems: 5
+ maxItems: 5
+ clock-names:
+ items:
+ - const: camnoc_axi
+ - const: slow_ahb_src
+ - const: cpas_ahb
+ - const: cci
+ - const: cci_src
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,camcc-sdm845.h>
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ cci@ac4a000 {
+ reg = <0x0ac4a000 0x4000>;
+ compatible = "qcom,sdm845-cci";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ interrupts = <GIC_SPI 460 IRQ_TYPE_EDGE_RISING>;
+ power-domains = <&clock_camcc TITAN_TOP_GDSC>;
+
+ clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
+ <&clock_camcc CAM_CC_SOC_AHB_CLK>,
+ <&clock_camcc CAM_CC_SLOW_AHB_CLK_SRC>,
+ <&clock_camcc CAM_CC_CPAS_AHB_CLK>,
+ <&clock_camcc CAM_CC_CCI_CLK>,
+ <&clock_camcc CAM_CC_CCI_CLK_SRC>;
+ clock-names = "camnoc_axi",
+ "soc_ahb",
+ "slow_ahb_src",
+ "cpas_ahb",
+ "cci",
+ "cci_src";
+
+ assigned-clocks = <&clock_camcc CAM_CC_CAMNOC_AXI_CLK>,
+ <&clock_camcc CAM_CC_CCI_CLK>;
+ assigned-clock-rates = <80000000>,
+ <37500000>;
+
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&cci0_default &cci1_default>;
+ pinctrl-1 = <&cci0_sleep &cci1_sleep>;
+
+ i2c-bus@0 {
+ reg = <0>;
+ clock-frequency = <1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ camera@10 {
+ compatible = "ovti,ov8856";
+ reg = <0x10>;
+
+ reset-gpios = <&tlmm 9 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cam0_default>;
+
+ clocks = <&clock_camcc CAM_CC_MCLK0_CLK>;
+ clock-names = "xvclk";
+ clock-frequency = <19200000>;
+
+ dovdd-supply = <&vreg_lvs1a_1p8>;
+ avdd-supply = <&cam0_avdd_2v8>;
+ dvdd-supply = <&cam0_dvdd_1v2>;
+
+ port {
+ ov8856_ep: endpoint {
+ link-frequencies = /bits/ 64 <360000000 180000000>;
+ data-lanes = <1 2 3 4>;
+ remote-endpoint = <&csiphy0_ep>;
+ };
+ };
+ };
+ };
+
+ cci_i2c1: i2c-bus@1 {
+ reg = <1>;
+ clock-frequency = <1000000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ camera@60 {
+ compatible = "ovti,ov7251";
+ reg = <0x60>;
+
+ enable-gpios = <&tlmm 21 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&cam3_default>;
+
+ clocks = <&clock_camcc CAM_CC_MCLK3_CLK>;
+ clock-names = "xclk";
+ clock-frequency = <24000000>;
+
+ vdddo-supply = <&vreg_lvs1a_1p8>;
+ vdda-supply = <&cam3_avdd_2v8>;
+
+ port {
+ ov7251_ep: endpoint {
+ data-lanes = <0 1>;
+ remote-endpoint = <&csiphy3_ep>;
+ };
+ };
+ };
+ };
+ };
diff --git a/Documentation/i2c/i2c-protocol.rst b/Documentation/i2c/i2c-protocol.rst
index b2092f8f815d..df0febfe6410 100644
--- a/Documentation/i2c/i2c-protocol.rst
+++ b/Documentation/i2c/i2c-protocol.rst
@@ -2,7 +2,8 @@
The I2C Protocol
================
-This document describes the I2C protocol. Or will, when it is finished :-)
+This document is an overview of the basic I2C transactions and the kernel
+APIs to perform them.
Key to symbols
==============
@@ -12,13 +13,9 @@ S Start condition
P Stop condition
Rd/Wr (1 bit) Read/Write bit. Rd equals 1, Wr equals 0.
A, NA (1 bit) Acknowledge (ACK) and Not Acknowledge (NACK) bit
-Addr (7 bits) I2C 7 bit address. Note that this can be expanded as usual to
+Addr (7 bits) I2C 7 bit address. Note that this can be expanded to
get a 10 bit I2C address.
-Comm (8 bits) Command byte, a data byte which often selects a register on
- the device.
-Data (8 bits) A plain data byte. Sometimes, I write DataLow, DataHigh
- for 16 bit data.
-Count (8 bits) A data byte containing the length of a block operation.
+Data (8 bits) A plain data byte.
[..] Data sent by I2C device, as opposed to data sent by the
host adapter.
diff --git a/Documentation/i2c/i2c-sysfs.rst b/Documentation/i2c/i2c-sysfs.rst
index 6b68b95cd427..78c54c658fa1 100644
--- a/Documentation/i2c/i2c-sysfs.rst
+++ b/Documentation/i2c/i2c-sysfs.rst
@@ -51,11 +51,10 @@ Google Pixel 3 phone for example::
``i2c-2`` is an I2C bus whose number is 2, and ``2-0049`` is an I2C device
on bus 2 address 0x49 bound with a kernel driver.
-Terminologies
-=============
+Terminology
+===========
-First, let us define a couple of terminologies to avoid confusions in the later
-sections.
+First, let us define some terms to avoid confusion in later sections.
(Physical) I2C Bus Controller
-----------------------------
@@ -100,9 +99,7 @@ Caveat
This may be a confusing part for people who only know about the physical I2C
design of a board. It is actually possible to rename the I2C bus physical number
to a different number in logical I2C bus level in Device Tree Source (DTS) under
-section ``aliases``. See
-`arch/arm/boot/dts/nuvoton-npcm730-gsj.dts
-<../../arch/arm/boot/dts/nuvoton-npcm730-gsj.dts>`_
+section ``aliases``. See ``arch/arm/boot/dts/nuvoton-npcm730-gsj.dts``
for an example of DTS file.
Best Practice: **(To kernel software developers)** It is better to keep the I2C
@@ -117,7 +114,7 @@ Walk through Logical I2C Bus
For the following content, we will use a more complex I2C topology as an
example. Here is a brief graph for the I2C topology. If you do not understand
-this graph at the first glance, do not be afraid to continue reading this doc
+this graph at first glance, do not be afraid to continue reading this doc
and review it when you finish reading.
::
@@ -290,8 +287,7 @@ MUX channel 0, and all the way to ``i2c-19`` for the MUX channel 3.
The kernel software developer is able to pin the fanout MUX channels to a static
logical I2C bus number in the DTS. This doc will not go through the details on
how to implement this in DTS, but we can see an example in:
-`arch/arm/boot/dts/aspeed-bmc-facebook-wedge400.dts
-<../../arch/arm/boot/dts/aspeed-bmc-facebook-wedge400.dts>`_
+``arch/arm/boot/dts/aspeed-bmc-facebook-wedge400.dts``
In the above example, there is an 8-channel I2C MUX at address 0x70 on physical
I2C bus 2. The channel 2 of the MUX is defined as ``imux18`` in DTS,
@@ -383,13 +379,9 @@ Sysfs for the I2C sensor device::
For more info on the Hwmon Sysfs, refer to the doc:
-`Naming and data format standards for sysfs files
-<../hwmon/sysfs-interface.rst>`_
+../hwmon/sysfs-interface.rst
Instantiate I2C Devices in I2C Sysfs
------------------------------------
-Refer to the doc:
-
-`How to instantiate I2C devices, Method 4: Instantiate from user-space
-<instantiating-devices.rst#method-4-instantiate-from-user-space>`_
+Refer to section "Method 4: Instantiate from user-space" of instantiating-devices.rst
diff --git a/Documentation/i2c/instantiating-devices.rst b/Documentation/i2c/instantiating-devices.rst
index 890c9360ce19..3ea056a95812 100644
--- a/Documentation/i2c/instantiating-devices.rst
+++ b/Documentation/i2c/instantiating-devices.rst
@@ -31,7 +31,9 @@ Declare the I2C devices via devicetree
On platforms using devicetree, the declaration of I2C devices is done in
subnodes of the master controller.
-Example::
+Example:
+
+.. code-block:: dts
i2c1: i2c@400a0000 {
/* ... master properties skipped ... */
@@ -71,7 +73,9 @@ code. Instantiating I2C devices via board files is done with an array of
struct i2c_board_info which is registered by calling
i2c_register_board_info().
-Example (from omap2 h4)::
+Example (from omap2 h4):
+
+.. code-block:: c
static struct i2c_board_info h4_i2c_board_info[] __initdata = {
{
@@ -111,7 +115,9 @@ bus in advance, so the method 1 described above can't be used. Instead,
you can instantiate your I2C devices explicitly. This is done by filling
a struct i2c_board_info and calling i2c_new_client_device().
-Example (from the sfe4001 network driver)::
+Example (from the sfe4001 network driver):
+
+.. code-block:: c
static struct i2c_board_info sfe4001_hwmon_info = {
I2C_BOARD_INFO("max6647", 0x4e),
@@ -136,7 +142,9 @@ it may have different addresses from one board to the next (manufacturer
changing its design without notice). In this case, you can call
i2c_new_scanned_device() instead of i2c_new_client_device().
-Example (from the nxp OHCI driver)::
+Example (from the nxp OHCI driver):
+
+.. code-block:: c
static const unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
diff --git a/Documentation/i2c/smbus-protocol.rst b/Documentation/i2c/smbus-protocol.rst
index 00d8e17d0aca..4942c4cad4ad 100644
--- a/Documentation/i2c/smbus-protocol.rst
+++ b/Documentation/i2c/smbus-protocol.rst
@@ -41,12 +41,12 @@ Sr Repeated start condition, used to switch from write to
P Stop condition
Rd/Wr (1 bit) Read/Write bit. Rd equals 1, Wr equals 0.
A, NA (1 bit) Acknowledge (ACK) and Not Acknowledge (NACK) bit
-Addr (7 bits) I2C 7 bit address. Note that this can be expanded as usual to
+Addr (7 bits) I2C 7 bit address. Note that this can be expanded to
get a 10 bit I2C address.
Comm (8 bits) Command byte, a data byte which often selects a register on
the device.
-Data (8 bits) A plain data byte. Sometimes, I write DataLow, DataHigh
- for 16 bit data.
+Data (8 bits) A plain data byte. DataLow and DataHigh represent the low and
+ high byte of a 16 bit word.
Count (8 bits) A data byte containing the length of a block operation.
[..] Data sent by I2C device, as opposed to data sent by the host
diff --git a/MAINTAINERS b/MAINTAINERS
index ba7a781c060c..11e113b32a2e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -16887,7 +16887,7 @@ M: Robert Foss <robert.foss@linaro.org>
L: linux-i2c@vger.kernel.org
L: linux-arm-msm@vger.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/i2c/i2c-qcom-cci.txt
+F: Documentation/devicetree/bindings/i2c/qcom,i2c-cci.yaml
F: drivers/i2c/busses/i2c-qcom-cci.c
QUALCOMM INTERCONNECT BWMON DRIVER
diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
index 354cf7e45c4a..50e7f3f670b6 100644
--- a/drivers/i2c/busses/i2c-altera.c
+++ b/drivers/i2c/busses/i2c-altera.c
@@ -447,7 +447,7 @@ static int altr_i2c_probe(struct platform_device *pdev)
mutex_unlock(&idev->isr_mutex);
i2c_set_adapdata(&idev->adapter, idev);
- strlcpy(idev->adapter.name, pdev->name, sizeof(idev->adapter.name));
+ strscpy(idev->adapter.name, pdev->name, sizeof(idev->adapter.name));
idev->adapter.owner = THIS_MODULE;
idev->adapter.algo = &altr_i2c_algo;
idev->adapter.dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c
index 771e53d3d197..185dedfebbac 100644
--- a/drivers/i2c/busses/i2c-aspeed.c
+++ b/drivers/i2c/busses/i2c-aspeed.c
@@ -1022,7 +1022,7 @@ static int aspeed_i2c_probe_bus(struct platform_device *pdev)
bus->adap.algo = &aspeed_i2c_algo;
bus->adap.dev.parent = &pdev->dev;
bus->adap.dev.of_node = pdev->dev.of_node;
- strlcpy(bus->adap.name, pdev->name, sizeof(bus->adap.name));
+ strscpy(bus->adap.name, pdev->name, sizeof(bus->adap.name));
i2c_set_adapdata(&bus->adap, bus);
bus->dev = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c
index 22aed922552b..99bd24d0e6a5 100644
--- a/drivers/i2c/busses/i2c-au1550.c
+++ b/drivers/i2c/busses/i2c-au1550.c
@@ -321,7 +321,7 @@ i2c_au1550_probe(struct platform_device *pdev)
priv->adap.algo = &au1550_algo;
priv->adap.algo_data = priv;
priv->adap.dev.parent = &pdev->dev;
- strlcpy(priv->adap.name, "Au1xxx PSC I2C", sizeof(priv->adap.name));
+ strscpy(priv->adap.name, "Au1xxx PSC I2C", sizeof(priv->adap.name));
/* Now, set up the PSC for SMBus PIO mode. */
i2c_au1550_setup(priv);
diff --git a/drivers/i2c/busses/i2c-axxia.c b/drivers/i2c/busses/i2c-axxia.c
index 5294b73beca8..bdf3b50de8ad 100644
--- a/drivers/i2c/busses/i2c-axxia.c
+++ b/drivers/i2c/busses/i2c-axxia.c
@@ -783,7 +783,7 @@ static int axxia_i2c_probe(struct platform_device *pdev)
}
i2c_set_adapdata(&idev->adapter, idev);
- strlcpy(idev->adapter.name, pdev->name, sizeof(idev->adapter.name));
+ strscpy(idev->adapter.name, pdev->name, sizeof(idev->adapter.name));
idev->adapter.owner = THIS_MODULE;
idev->adapter.algo = &axxia_i2c_algo;
idev->adapter.bus_recovery_info = &axxia_i2c_recovery_info;
diff --git a/drivers/i2c/busses/i2c-bcm-kona.c b/drivers/i2c/busses/i2c-bcm-kona.c
index 16bf41f1f086..f3e369f0fd40 100644
--- a/drivers/i2c/busses/i2c-bcm-kona.c
+++ b/drivers/i2c/busses/i2c-bcm-kona.c
@@ -839,7 +839,7 @@ static int bcm_kona_i2c_probe(struct platform_device *pdev)
adap = &dev->adapter;
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
- strlcpy(adap->name, "Broadcom I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "Broadcom I2C adapter", sizeof(adap->name));
adap->algo = &bcm_algo;
adap->dev.parent = &pdev->dev;
adap->dev.of_node = pdev->dev.of_node;
diff --git a/drivers/i2c/busses/i2c-brcmstb.c b/drivers/i2c/busses/i2c-brcmstb.c
index 2ae187e2b642..69383be47905 100644
--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -674,7 +674,7 @@ static int brcmstb_i2c_probe(struct platform_device *pdev)
adap = &dev->adapter;
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
- strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
+ strscpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
adap->algo = &brcmstb_i2c_algo;
adap->dev.parent = &pdev->dev;
adap->dev.of_node = pdev->dev.of_node;
diff --git a/drivers/i2c/busses/i2c-cbus-gpio.c b/drivers/i2c/busses/i2c-cbus-gpio.c
index f8639a4457d2..d97c61eec95c 100644
--- a/drivers/i2c/busses/i2c-cbus-gpio.c
+++ b/drivers/i2c/busses/i2c-cbus-gpio.c
@@ -245,7 +245,7 @@ static int cbus_i2c_probe(struct platform_device *pdev)
adapter->nr = pdev->id;
adapter->timeout = HZ;
adapter->algo = &cbus_i2c_algo;
- strlcpy(adapter->name, "CBUS I2C adapter", sizeof(adapter->name));
+ strscpy(adapter->name, "CBUS I2C adapter", sizeof(adapter->name));
spin_lock_init(&chost->lock);
chost->dev = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-cht-wc.c b/drivers/i2c/busses/i2c-cht-wc.c
index de15f09c9b47..190abdc46dd3 100644
--- a/drivers/i2c/busses/i2c-cht-wc.c
+++ b/drivers/i2c/busses/i2c-cht-wc.c
@@ -404,7 +404,7 @@ static int cht_wc_i2c_adap_i2c_probe(struct platform_device *pdev)
adap->adapter.class = I2C_CLASS_HWMON;
adap->adapter.algo = &cht_wc_i2c_adap_algo;
adap->adapter.lock_ops = &cht_wc_i2c_adap_lock_ops;
- strlcpy(adap->adapter.name, "PMIC I2C Adapter",
+ strscpy(adap->adapter.name, "PMIC I2C Adapter",
sizeof(adap->adapter.name));
adap->adapter.dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-cros-ec-tunnel.c b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
index 892213d51f43..4e787dc709f9 100644
--- a/drivers/i2c/busses/i2c-cros-ec-tunnel.c
+++ b/drivers/i2c/busses/i2c-cros-ec-tunnel.c
@@ -267,7 +267,7 @@ static int ec_i2c_probe(struct platform_device *pdev)
bus->dev = dev;
bus->adap.owner = THIS_MODULE;
- strlcpy(bus->adap.name, "cros-ec-i2c-tunnel", sizeof(bus->adap.name));
+ strscpy(bus->adap.name, "cros-ec-i2c-tunnel", sizeof(bus->adap.name));
bus->adap.algo = &ec_i2c_algorithm;
bus->adap.algo_data = bus;
bus->adap.dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 9e09db31a937..471c47db546b 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -845,7 +845,7 @@ static int davinci_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
adap->class = I2C_CLASS_DEPRECATED;
- strlcpy(adap->name, "DaVinci I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "DaVinci I2C adapter", sizeof(adap->name));
adap->algo = &i2c_davinci_algo;
adap->dev.parent = &pdev->dev;
adap->timeout = DAVINCI_I2C_TIMEOUT;
diff --git a/drivers/i2c/busses/i2c-digicolor.c b/drivers/i2c/busses/i2c-digicolor.c
index 60c838c7c454..50925d97fa42 100644
--- a/drivers/i2c/busses/i2c-digicolor.c
+++ b/drivers/i2c/busses/i2c-digicolor.c
@@ -322,7 +322,7 @@ static int dc_i2c_probe(struct platform_device *pdev)
if (ret < 0)
return ret;
- strlcpy(i2c->adap.name, "Conexant Digicolor I2C adapter",
+ strscpy(i2c->adap.name, "Conexant Digicolor I2C adapter",
sizeof(i2c->adap.name));
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &dc_i2c_algorithm;
diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c
index 321b2770feab..4914bfbee2a9 100644
--- a/drivers/i2c/busses/i2c-eg20t.c
+++ b/drivers/i2c/busses/i2c-eg20t.c
@@ -773,7 +773,7 @@ static int pch_i2c_probe(struct pci_dev *pdev,
pch_adap->owner = THIS_MODULE;
pch_adap->class = I2C_CLASS_HWMON;
- strlcpy(pch_adap->name, KBUILD_MODNAME, sizeof(pch_adap->name));
+ strscpy(pch_adap->name, KBUILD_MODNAME, sizeof(pch_adap->name));
pch_adap->algo = &pch_algorithm;
pch_adap->algo_data = &adap_info->pch_data[i];
diff --git a/drivers/i2c/busses/i2c-emev2.c b/drivers/i2c/busses/i2c-emev2.c
index bdff0e6345d9..f2e537b137b2 100644
--- a/drivers/i2c/busses/i2c-emev2.c
+++ b/drivers/i2c/busses/i2c-emev2.c
@@ -371,7 +371,7 @@ static int em_i2c_probe(struct platform_device *pdev)
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);
- strlcpy(priv->adap.name, "EMEV2 I2C", sizeof(priv->adap.name));
+ strscpy(priv->adap.name, "EMEV2 I2C", sizeof(priv->adap.name));
priv->sclk = devm_clk_get(&pdev->dev, "sclk");
if (IS_ERR(priv->sclk))
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index b812d1090c0f..4a6260d04db2 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -802,7 +802,7 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
if (of_property_read_u32(np, "clock-frequency", &i2c->op_clock))
i2c->op_clock = I2C_MAX_STANDARD_MODE_FREQ;
- strlcpy(i2c->adap.name, "exynos5-i2c", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "exynos5-i2c", sizeof(i2c->adap.name));
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &exynos5_i2c_algorithm;
i2c->adap.retries = 3;
diff --git a/drivers/i2c/busses/i2c-gpio.c b/drivers/i2c/busses/i2c-gpio.c
index 7a048abbf92b..b1985c1667e1 100644
--- a/drivers/i2c/busses/i2c-gpio.c
+++ b/drivers/i2c/busses/i2c-gpio.c
@@ -436,7 +436,7 @@ static int i2c_gpio_probe(struct platform_device *pdev)
adap->owner = THIS_MODULE;
if (np)
- strlcpy(adap->name, dev_name(dev), sizeof(adap->name));
+ strscpy(adap->name, dev_name(dev), sizeof(adap->name));
else
snprintf(adap->name, sizeof(adap->name), "i2c-gpio%d", pdev->id);
diff --git a/drivers/i2c/busses/i2c-highlander.c b/drivers/i2c/busses/i2c-highlander.c
index a2add128d084..4374a8677271 100644
--- a/drivers/i2c/busses/i2c-highlander.c
+++ b/drivers/i2c/busses/i2c-highlander.c
@@ -402,7 +402,7 @@ static int highlander_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(adap, dev);
adap->owner = THIS_MODULE;
adap->class = I2C_CLASS_HWMON;
- strlcpy(adap->name, "HL FPGA I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "HL FPGA I2C adapter", sizeof(adap->name));
adap->algo = &highlander_i2c_algo;
adap->dev.parent = &pdev->dev;
adap->nr = pdev->id;
diff --git a/drivers/i2c/busses/i2c-hix5hd2.c b/drivers/i2c/busses/i2c-hix5hd2.c
index 61ae58f57047..0e34cbaca22d 100644
--- a/drivers/i2c/busses/i2c-hix5hd2.c
+++ b/drivers/i2c/busses/i2c-hix5hd2.c
@@ -423,7 +423,7 @@ static int hix5hd2_i2c_probe(struct platform_device *pdev)
}
clk_prepare_enable(priv->clk);
- strlcpy(priv->adap.name, "hix5hd2-i2c", sizeof(priv->adap.name));
+ strscpy(priv->adap.name, "hix5hd2-i2c", sizeof(priv->adap.name));
priv->dev = &pdev->dev;
priv->adap.owner = THIS_MODULE;
priv->adap.algo = &hix5hd2_i2c_algorithm;
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 81d0da2547bd..a176296f4fff 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1116,7 +1116,7 @@ static void dmi_check_onboard_device(u8 type, const char *name,
memset(&info, 0, sizeof(struct i2c_board_info));
info.addr = dmi_devices[i].i2c_addr;
- strlcpy(info.type, dmi_devices[i].i2c_type, I2C_NAME_SIZE);
+ strscpy(info.type, dmi_devices[i].i2c_type, I2C_NAME_SIZE);
i2c_new_client_device(adap, &info);
break;
}
@@ -1267,7 +1267,7 @@ static void register_dell_lis3lv02d_i2c_device(struct i801_priv *priv)
memset(&info, 0, sizeof(struct i2c_board_info));
info.addr = dell_lis3lv02d_devices[i].i2c_addr;
- strlcpy(info.type, "lis3lv02d", I2C_NAME_SIZE);
+ strscpy(info.type, "lis3lv02d", I2C_NAME_SIZE);
i2c_new_client_device(&priv->adapter, &info);
}
diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c
index 9f71daf6db64..eeb80e34f9ad 100644
--- a/drivers/i2c/busses/i2c-ibm_iic.c
+++ b/drivers/i2c/busses/i2c-ibm_iic.c
@@ -738,7 +738,7 @@ static int iic_probe(struct platform_device *ofdev)
adap = &dev->adap;
adap->dev.parent = &ofdev->dev;
adap->dev.of_node = of_node_get(np);
- strlcpy(adap->name, "IBM IIC", sizeof(adap->name));
+ strscpy(adap->name, "IBM IIC", sizeof(adap->name));
i2c_set_adapdata(adap, dev);
adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
adap->algo = &iic_algo;
diff --git a/drivers/i2c/busses/i2c-icy.c b/drivers/i2c/busses/i2c-icy.c
index 5dae7cab7260..febcb6f01d4d 100644
--- a/drivers/i2c/busses/i2c-icy.c
+++ b/drivers/i2c/busses/i2c-icy.c
@@ -141,7 +141,7 @@ static int icy_probe(struct zorro_dev *z,
i2c->adapter.owner = THIS_MODULE;
/* i2c->adapter.algo assigned by i2c_pcf_add_bus() */
i2c->adapter.algo_data = algo_data;
- strlcpy(i2c->adapter.name, "ICY I2C Zorro adapter",
+ strscpy(i2c->adapter.name, "ICY I2C Zorro adapter",
sizeof(i2c->adapter.name));
if (!devm_request_mem_region(&z->dev,
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index 8b9ba055c418..b51ab3cad2b1 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -558,7 +558,7 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
lpi2c_imx->adapter.algo = &lpi2c_imx_algo;
lpi2c_imx->adapter.dev.parent = &pdev->dev;
lpi2c_imx->adapter.dev.of_node = pdev->dev.of_node;
- strlcpy(lpi2c_imx->adapter.name, pdev->name,
+ strscpy(lpi2c_imx->adapter.name, pdev->name,
sizeof(lpi2c_imx->adapter.name));
lpi2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
diff --git a/drivers/i2c/busses/i2c-kempld.c b/drivers/i2c/busses/i2c-kempld.c
index 5bbb7f0d7852..cf857cf22507 100644
--- a/drivers/i2c/busses/i2c-kempld.c
+++ b/drivers/i2c/busses/i2c-kempld.c
@@ -303,6 +303,7 @@ static int kempld_i2c_probe(struct platform_device *pdev)
i2c->dev = &pdev->dev;
i2c->adap = kempld_i2c_adapter;
i2c->adap.dev.parent = i2c->dev;
+ ACPI_COMPANION_SET(&i2c->adap.dev, ACPI_COMPANION(&pdev->dev));
i2c_set_adapdata(&i2c->adap, i2c);
platform_set_drvdata(pdev, i2c);
diff --git a/drivers/i2c/busses/i2c-lpc2k.c b/drivers/i2c/busses/i2c-lpc2k.c
index 4e30c5267142..8fff6fbb7065 100644
--- a/drivers/i2c/busses/i2c-lpc2k.c
+++ b/drivers/i2c/busses/i2c-lpc2k.c
@@ -417,7 +417,7 @@ static int i2c_lpc2k_probe(struct platform_device *pdev)
i2c_set_adapdata(&i2c->adap, i2c);
i2c->adap.owner = THIS_MODULE;
- strlcpy(i2c->adap.name, "LPC2K I2C adapter", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "LPC2K I2C adapter", sizeof(i2c->adap.name));
i2c->adap.algo = &i2c_lpc2k_algorithm;
i2c->adap.dev.parent = &pdev->dev;
i2c->adap.dev.of_node = pdev->dev.of_node;
diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 61cc5b2462c6..889eff06b78f 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -502,7 +502,7 @@ static int meson_i2c_probe(struct platform_device *pdev)
return ret;
}
- strlcpy(i2c->adap.name, "Meson I2C adapter",
+ strscpy(i2c->adap.name, "Meson I2C adapter",
sizeof(i2c->adap.name));
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &meson_i2c_algorithm;
diff --git a/drivers/i2c/busses/i2c-microchip-corei2c.c b/drivers/i2c/busses/i2c-microchip-corei2c.c
index 6df0f1c33278..4d7e9b25f018 100644
--- a/drivers/i2c/busses/i2c-microchip-corei2c.c
+++ b/drivers/i2c/busses/i2c-microchip-corei2c.c
@@ -206,7 +206,7 @@ static void mchp_corei2c_empty_rx(struct mchp_corei2c_dev *idev)
idev->msg_len--;
}
- if (idev->msg_len == 0) {
+ if (idev->msg_len <= 1) {
ctrl = readb(idev->base + CORE_I2C_CTRL);
ctrl &= ~CTRL_AA;
writeb(ctrl, idev->base + CORE_I2C_CTRL);
diff --git a/drivers/i2c/busses/i2c-mt65xx.c b/drivers/i2c/busses/i2c-mt65xx.c
index 8e6985354fd5..fc7bfd98156b 100644
--- a/drivers/i2c/busses/i2c-mt65xx.c
+++ b/drivers/i2c/busses/i2c-mt65xx.c
@@ -229,6 +229,35 @@ static const u16 mt_i2c_regs_v2[] = {
[OFFSET_DCM_EN] = 0xf88,
};
+static const u16 mt_i2c_regs_v3[] = {
+ [OFFSET_DATA_PORT] = 0x0,
+ [OFFSET_INTR_MASK] = 0x8,
+ [OFFSET_INTR_STAT] = 0xc,
+ [OFFSET_CONTROL] = 0x10,
+ [OFFSET_TRANSFER_LEN] = 0x14,
+ [OFFSET_TRANSAC_LEN] = 0x18,
+ [OFFSET_DELAY_LEN] = 0x1c,
+ [OFFSET_TIMING] = 0x20,
+ [OFFSET_START] = 0x24,
+ [OFFSET_EXT_CONF] = 0x28,
+ [OFFSET_LTIMING] = 0x2c,
+ [OFFSET_HS] = 0x30,
+ [OFFSET_IO_CONFIG] = 0x34,
+ [OFFSET_FIFO_ADDR_CLR] = 0x38,
+ [OFFSET_SDA_TIMING] = 0x3c,
+ [OFFSET_TRANSFER_LEN_AUX] = 0x44,
+ [OFFSET_CLOCK_DIV] = 0x48,
+ [OFFSET_SOFTRESET] = 0x50,
+ [OFFSET_MULTI_DMA] = 0x8c,
+ [OFFSET_SCL_MIS_COMP_POINT] = 0x90,
+ [OFFSET_SLAVE_ADDR] = 0x94,
+ [OFFSET_DEBUGSTAT] = 0xe4,
+ [OFFSET_DEBUGCTRL] = 0xe8,
+ [OFFSET_FIFO_STAT] = 0xf4,
+ [OFFSET_FIFO_THRESH] = 0xf8,
+ [OFFSET_DCM_EN] = 0xf88,
+};
+
struct mtk_i2c_compatible {
const struct i2c_adapter_quirks *quirks;
const u16 *regs;
@@ -442,6 +471,19 @@ static const struct mtk_i2c_compatible mt8186_compat = {
.max_dma_support = 36,
};
+static const struct mtk_i2c_compatible mt8188_compat = {
+ .regs = mt_i2c_regs_v3,
+ .pmic_i2c = 0,
+ .dcm = 0,
+ .auto_restart = 1,
+ .aux_len_reg = 1,
+ .timing_adjust = 1,
+ .dma_sync = 0,
+ .ltiming_adjust = 1,
+ .apdma_sync = 1,
+ .max_dma_support = 36,
+};
+
static const struct mtk_i2c_compatible mt8192_compat = {
.quirks = &mt8183_i2c_quirks,
.regs = mt_i2c_regs_v2,
@@ -465,6 +507,7 @@ static const struct of_device_id mtk_i2c_of_match[] = {
{ .compatible = "mediatek,mt8173-i2c", .data = &mt8173_compat },
{ .compatible = "mediatek,mt8183-i2c", .data = &mt8183_compat },
{ .compatible = "mediatek,mt8186-i2c", .data = &mt8186_compat },
+ { .compatible = "mediatek,mt8188-i2c", .data = &mt8188_compat },
{ .compatible = "mediatek,mt8192-i2c", .data = &mt8192_compat },
{}
};
@@ -1389,7 +1432,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)
speed_clk = I2C_MT65XX_CLK_MAIN;
}
- strlcpy(i2c->adap.name, I2C_DRV_NAME, sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, I2C_DRV_NAME, sizeof(i2c->adap.name));
ret = mtk_i2c_set_speed(i2c, clk_get_rate(i2c->clocks[speed_clk].clk));
if (ret) {
diff --git a/drivers/i2c/busses/i2c-mt7621.c b/drivers/i2c/busses/i2c-mt7621.c
index cfe6de8175dd..20eda5738ac4 100644
--- a/drivers/i2c/busses/i2c-mt7621.c
+++ b/drivers/i2c/busses/i2c-mt7621.c
@@ -312,7 +312,7 @@ static int mtk_i2c_probe(struct platform_device *pdev)
adap->dev.parent = &pdev->dev;
i2c_set_adapdata(adap, i2c);
adap->dev.of_node = pdev->dev.of_node;
- strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
+ strscpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name));
platform_set_drvdata(pdev, i2c);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 103a05ecc3d6..047dfef7a657 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -989,7 +989,7 @@ mv64xxx_i2c_probe(struct platform_device *pd)
if (IS_ERR(drv_data->reg_base))
return PTR_ERR(drv_data->reg_base);
- strlcpy(drv_data->adapter.name, MV64XXX_I2C_CTLR_NAME " adapter",
+ strscpy(drv_data->adapter.name, MV64XXX_I2C_CTLR_NAME " adapter",
sizeof(drv_data->adapter.name));
init_waitqueue_head(&drv_data->waitq);
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index 68f67d084c63..5af5cffc444e 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -838,7 +838,7 @@ static int mxs_i2c_probe(struct platform_device *pdev)
return err;
adap = &i2c->adapter;
- strlcpy(adap->name, "MXS I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "MXS I2C adapter", sizeof(adap->name));
adap->owner = THIS_MODULE;
adap->algo = &mxs_i2c_algo;
adap->quirks = &mxs_i2c_quirks;
diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
index 6920c1b9a126..12e330cd7635 100644
--- a/drivers/i2c/busses/i2c-nvidia-gpu.c
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -299,7 +299,7 @@ static int gpu_i2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
i2c_set_adapdata(&i2cd->adapter, i2cd);
i2cd->adapter.owner = THIS_MODULE;
- strlcpy(i2cd->adapter.name, "NVIDIA GPU I2C adapter",
+ strscpy(i2cd->adapter.name, "NVIDIA GPU I2C adapter",
sizeof(i2cd->adapter.name));
i2cd->adapter.algo = &gpu_i2c_algorithm;
i2cd->adapter.quirks = &gpu_i2c_quirks;
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index d4f6c6d60683..f9ae520aed22 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -1488,7 +1488,7 @@ omap_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(adap, omap);
adap->owner = THIS_MODULE;
adap->class = I2C_CLASS_DEPRECATED;
- strlcpy(adap->name, "OMAP I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "OMAP I2C adapter", sizeof(adap->name));
adap->algo = &omap_i2c_algo;
adap->quirks = &omap_i2c_quirks;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-opal.c b/drivers/i2c/busses/i2c-opal.c
index 6eb0f50c5d28..9f773b4f5ed8 100644
--- a/drivers/i2c/busses/i2c-opal.c
+++ b/drivers/i2c/busses/i2c-opal.c
@@ -220,9 +220,9 @@ static int i2c_opal_probe(struct platform_device *pdev)
adapter->dev.of_node = of_node_get(pdev->dev.of_node);
pname = of_get_property(pdev->dev.of_node, "ibm,port-name", NULL);
if (pname)
- strlcpy(adapter->name, pname, sizeof(adapter->name));
+ strscpy(adapter->name, pname, sizeof(adapter->name));
else
- strlcpy(adapter->name, "opal", sizeof(adapter->name));
+ strscpy(adapter->name, "opal", sizeof(adapter->name));
platform_set_drvdata(pdev, adapter);
rc = i2c_add_adapter(adapter);
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 231145c48728..0af86a542568 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -308,7 +308,7 @@ static void i2c_parport_attach(struct parport *port)
/* Fill the rest of the structure */
adapter->adapter.owner = THIS_MODULE;
adapter->adapter.class = I2C_CLASS_HWMON;
- strlcpy(adapter->adapter.name, "Parallel port adapter",
+ strscpy(adapter->adapter.name, "Parallel port adapter",
sizeof(adapter->adapter.name));
adapter->algo_data = parport_algo_data;
/* Slow down if we can't sense SCL */
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 690188a9ffff..b605b6e43cb9 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1403,7 +1403,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
spin_lock_init(&i2c->lock);
init_waitqueue_head(&i2c->wait);
- strlcpy(i2c->adap.name, "pxa_i2c-i2c", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "pxa_i2c-i2c", sizeof(i2c->adap.name));
i2c->clk = devm_clk_get(&dev->dev, NULL);
if (IS_ERR(i2c->clk)) {
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 6ac179a373ff..84a77512614d 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -494,12 +494,12 @@ static void geni_i2c_gpi_unmap(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
{
if (tx_buf) {
dma_unmap_single(gi2c->se.dev->parent, tx_addr, msg->len, DMA_TO_DEVICE);
- i2c_put_dma_safe_msg_buf(tx_buf, msg, false);
+ i2c_put_dma_safe_msg_buf(tx_buf, msg, !gi2c->err);
}
if (rx_buf) {
dma_unmap_single(gi2c->se.dev->parent, rx_addr, msg->len, DMA_FROM_DEVICE);
- i2c_put_dma_safe_msg_buf(rx_buf, msg, false);
+ i2c_put_dma_safe_msg_buf(rx_buf, msg, !gi2c->err);
}
}
@@ -563,6 +563,7 @@ static int geni_i2c_gpi(struct geni_i2c_dev *gi2c, struct i2c_msg *msg,
desc->callback_param = gi2c;
dmaengine_submit(desc);
+ *buf = dma_buf;
*dma_addr_p = addr;
return 0;
@@ -816,7 +817,7 @@ static int geni_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(&gi2c->adap, gi2c);
gi2c->adap.dev.parent = dev;
gi2c->adap.dev.of_node = dev->of_node;
- strlcpy(gi2c->adap.name, "Geni-I2C", sizeof(gi2c->adap.name));
+ strscpy(gi2c->adap.name, "Geni-I2C", sizeof(gi2c->adap.name));
ret = geni_icc_get(&gi2c->se, "qup-memory");
if (ret)
diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index 69e9f3ecf87d..2e153f2f71b6 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -1878,7 +1878,7 @@ nodma:
qup->adap.dev.of_node = pdev->dev.of_node;
qup->is_last = true;
- strlcpy(qup->adap.name, "QUP I2C adapter", sizeof(qup->adap.name));
+ strscpy(qup->adap.name, "QUP I2C adapter", sizeof(qup->adap.name));
pm_runtime_set_autosuspend_delay(qup->dev, MSEC_PER_SEC);
pm_runtime_use_autosuspend(qup->dev);
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 6e7be9d9f504..cef82b205c26 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -1076,7 +1076,7 @@ static int rcar_i2c_probe(struct platform_device *pdev)
adap->bus_recovery_info = &rcar_i2c_bri;
adap->quirks = &rcar_i2c_quirks;
i2c_set_adapdata(adap, priv);
- strlcpy(adap->name, pdev->name, sizeof(adap->name));
+ strscpy(adap->name, pdev->name, sizeof(adap->name));
/* Init DMA */
sg_init_table(&priv->sg, 1);
diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c
index cded77e06670..ecba1dfc1278 100644
--- a/drivers/i2c/busses/i2c-riic.c
+++ b/drivers/i2c/busses/i2c-riic.c
@@ -448,7 +448,7 @@ static int riic_i2c_probe(struct platform_device *pdev)
adap = &riic->adapter;
i2c_set_adapdata(adap, riic);
- strlcpy(adap->name, "Renesas RIIC adapter", sizeof(adap->name));
+ strscpy(adap->name, "Renesas RIIC adapter", sizeof(adap->name));
adap->owner = THIS_MODULE;
adap->algo = &riic_algo;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 989040a73626..2e98e7793bba 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -1240,7 +1240,7 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
/* use common interface to get I2C timing properties */
i2c_parse_fw_timings(&pdev->dev, &i2c->t, true);
- strlcpy(i2c->adap.name, "rk3x-i2c", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "rk3x-i2c", sizeof(i2c->adap.name));
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &rk3x_i2c_algorithm;
i2c->adap.retries = 3;
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index b49a1b170bb2..36dab9cd208c 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1076,7 +1076,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
else
s3c24xx_i2c_parse_dt(pdev->dev.of_node, i2c);
- strlcpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "s3c2410-i2c", sizeof(i2c->adap.name));
i2c->adap.owner = THIS_MODULE;
i2c->adap.algo = &s3c24xx_i2c_algorithm;
i2c->adap.retries = 2;
diff --git a/drivers/i2c/busses/i2c-sh_mobile.c b/drivers/i2c/busses/i2c-sh_mobile.c
index 72f024a0c363..29330ee64c9c 100644
--- a/drivers/i2c/busses/i2c-sh_mobile.c
+++ b/drivers/i2c/busses/i2c-sh_mobile.c
@@ -940,7 +940,7 @@ static int sh_mobile_i2c_probe(struct platform_device *dev)
adap->nr = dev->id;
adap->dev.of_node = dev->dev.of_node;
- strlcpy(adap->name, dev->name, sizeof(adap->name));
+ strscpy(adap->name, dev->name, sizeof(adap->name));
spin_lock_init(&pd->lock);
init_waitqueue_head(&pd->wait);
diff --git a/drivers/i2c/busses/i2c-simtec.c b/drivers/i2c/busses/i2c-simtec.c
index 458c7bcf1d24..87701744752f 100644
--- a/drivers/i2c/busses/i2c-simtec.c
+++ b/drivers/i2c/busses/i2c-simtec.c
@@ -99,7 +99,7 @@ static int simtec_i2c_probe(struct platform_device *dev)
pd->adap.algo_data = &pd->bit;
pd->adap.dev.parent = &dev->dev;
- strlcpy(pd->adap.name, "Simtec I2C", sizeof(pd->adap.name));
+ strscpy(pd->adap.name, "Simtec I2C", sizeof(pd->adap.name));
pd->bit.data = pd;
pd->bit.setsda = simtec_i2c_setsda;
diff --git a/drivers/i2c/busses/i2c-taos-evm.c b/drivers/i2c/busses/i2c-taos-evm.c
index b4050f5b6746..b0f0120793e1 100644
--- a/drivers/i2c/busses/i2c-taos-evm.c
+++ b/drivers/i2c/busses/i2c-taos-evm.c
@@ -239,7 +239,7 @@ static int taos_connect(struct serio *serio, struct serio_driver *drv)
dev_err(&serio->dev, "TAOS EVM identification failed\n");
goto exit_close;
}
- strlcpy(adapter->name, name, sizeof(adapter->name));
+ strscpy(adapter->name, name, sizeof(adapter->name));
/* Turn echo off for better performance */
taos->state = TAOS_STATE_EOFF;
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c
index ec0c7cad4240..95139985b2d5 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -305,7 +305,7 @@ static int tegra_bpmp_i2c_probe(struct platform_device *pdev)
i2c_set_adapdata(&i2c->adapter, i2c);
i2c->adapter.owner = THIS_MODULE;
- strlcpy(i2c->adapter.name, "Tegra BPMP I2C adapter",
+ strscpy(i2c->adapter.name, "Tegra BPMP I2C adapter",
sizeof(i2c->adapter.name));
i2c->adapter.algo = &tegra_bpmp_i2c_algo;
i2c->adapter.dev.parent = &pdev->dev;
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
index 2941e42aa6a0..031c78ac42e6 100644
--- a/drivers/i2c/busses/i2c-tegra.c
+++ b/drivers/i2c/busses/i2c-tegra.c
@@ -1825,7 +1825,7 @@ static int tegra_i2c_probe(struct platform_device *pdev)
if (i2c_dev->hw->supports_bus_clear)
i2c_dev->adapter.bus_recovery_info = &tegra_i2c_recovery_info;
- strlcpy(i2c_dev->adapter.name, dev_name(i2c_dev->dev),
+ strscpy(i2c_dev->adapter.name, dev_name(i2c_dev->dev),
sizeof(i2c_dev->adapter.name));
err = i2c_add_numbered_adapter(&i2c_dev->adapter);
diff --git a/drivers/i2c/busses/i2c-uniphier-f.c b/drivers/i2c/busses/i2c-uniphier-f.c
index cb4666c54a23..d7b622891e52 100644
--- a/drivers/i2c/busses/i2c-uniphier-f.c
+++ b/drivers/i2c/busses/i2c-uniphier-f.c
@@ -564,7 +564,7 @@ static int uniphier_fi2c_probe(struct platform_device *pdev)
priv->adap.algo = &uniphier_fi2c_algo;
priv->adap.dev.parent = dev;
priv->adap.dev.of_node = dev->of_node;
- strlcpy(priv->adap.name, "UniPhier FI2C", sizeof(priv->adap.name));
+ strscpy(priv->adap.name, "UniPhier FI2C", sizeof(priv->adap.name));
priv->adap.bus_recovery_info = &uniphier_fi2c_bus_recovery_info;
i2c_set_adapdata(&priv->adap, priv);
platform_set_drvdata(pdev, priv);
diff --git a/drivers/i2c/busses/i2c-uniphier.c b/drivers/i2c/busses/i2c-uniphier.c
index ee00a44bf4c7..e3ebae381f08 100644
--- a/drivers/i2c/busses/i2c-uniphier.c
+++ b/drivers/i2c/busses/i2c-uniphier.c
@@ -358,7 +358,7 @@ static int uniphier_i2c_probe(struct platform_device *pdev)
priv->adap.algo = &uniphier_i2c_algo;
priv->adap.dev.parent = dev;
priv->adap.dev.of_node = dev->of_node;
- strlcpy(priv->adap.name, "UniPhier I2C", sizeof(priv->adap.name));
+ strscpy(priv->adap.name, "UniPhier I2C", sizeof(priv->adap.name));
priv->adap.bus_recovery_info = &uniphier_i2c_bus_recovery_info;
i2c_set_adapdata(&priv->adap, priv);
platform_set_drvdata(pdev, priv);
diff --git a/drivers/i2c/busses/i2c-versatile.c b/drivers/i2c/busses/i2c-versatile.c
index 8d980b1374a8..1ab419f8fa52 100644
--- a/drivers/i2c/busses/i2c-versatile.c
+++ b/drivers/i2c/busses/i2c-versatile.c
@@ -79,7 +79,7 @@ static int i2c_versatile_probe(struct platform_device *dev)
writel(SCL | SDA, i2c->base + I2C_CONTROLS);
i2c->adap.owner = THIS_MODULE;
- strlcpy(i2c->adap.name, "Versatile I2C adapter", sizeof(i2c->adap.name));
+ strscpy(i2c->adap.name, "Versatile I2C adapter", sizeof(i2c->adap.name));
i2c->adap.algo_data = &i2c->algo;
i2c->adap.dev.parent = &dev->dev;
i2c->adap.dev.of_node = dev->dev.of_node;
diff --git a/drivers/i2c/busses/i2c-wmt.c b/drivers/i2c/busses/i2c-wmt.c
index 88f5aafdce5b..7d4bc8736079 100644
--- a/drivers/i2c/busses/i2c-wmt.c
+++ b/drivers/i2c/busses/i2c-wmt.c
@@ -413,7 +413,7 @@ static int wmt_i2c_probe(struct platform_device *pdev)
adap = &i2c_dev->adapter;
i2c_set_adapdata(adap, i2c_dev);
- strlcpy(adap->name, "WMT I2C adapter", sizeof(adap->name));
+ strscpy(adap->name, "WMT I2C adapter", sizeof(adap->name));
adap->owner = THIS_MODULE;
adap->algo = &wmt_i2c_algo;
adap->dev.parent = &pdev->dev;
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index 10f35f942066..91007558bcb2 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -933,7 +933,7 @@ i2c_new_client_device(struct i2c_adapter *adap, struct i2c_board_info const *inf
client->init_irq = i2c_dev_irq_from_resources(info->resources,
info->num_resources);
- strlcpy(client->name, info->type, sizeof(client->name));
+ strscpy(client->name, info->type, sizeof(client->name));
status = i2c_check_addr_validity(client->addr, client->flags);
if (status) {
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
index 775332945ad0..8ba9b59a3c40 100644
--- a/drivers/i2c/i2c-smbus.c
+++ b/drivers/i2c/i2c-smbus.c
@@ -391,7 +391,7 @@ void i2c_register_spd(struct i2c_adapter *adap)
unsigned short addr_list[2];
memset(&info, 0, sizeof(struct i2c_board_info));
- strlcpy(info.type, name, I2C_NAME_SIZE);
+ strscpy(info.type, name, I2C_NAME_SIZE);
addr_list[0] = 0x50 + n;
addr_list[1] = I2C_CLIENT_END;