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-rw-r--r--drivers/spi/spi-altera.c3
-rw-r--r--drivers/spi/spi-cadence.c6
-rw-r--r--drivers/spi/spi-dw-bt1.c2
-rw-r--r--drivers/spi/spi-fsl-spi.c7
-rw-r--r--drivers/spi/spi-pxa2xx-pci.c29
-rw-r--r--drivers/spi/spi-synquacer.c4
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/spi/spidev.c1
8 files changed, 37 insertions, 17 deletions
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index cbc4c28c1541..62ea0c9e321b 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -254,7 +254,8 @@ static int altera_spi_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Invalid number of chipselect: %hu\n",
pdata->num_chipselect);
- return -EINVAL;
+ err = -EINVAL;
+ goto exit;
}
master->num_chipselect = pdata->num_chipselect;
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 70467b9d61ba..a3afd1b9ac56 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -115,6 +115,7 @@ struct cdns_spi {
void __iomem *regs;
struct clk *ref_clk;
struct clk *pclk;
+ unsigned int clk_rate;
u32 speed_hz;
const u8 *txbuf;
u8 *rxbuf;
@@ -250,7 +251,7 @@ static void cdns_spi_config_clock_freq(struct spi_device *spi,
u32 ctrl_reg, baud_rate_val;
unsigned long frequency;
- frequency = clk_get_rate(xspi->ref_clk);
+ frequency = xspi->clk_rate;
ctrl_reg = cdns_spi_read(xspi, CDNS_SPI_CR);
@@ -558,8 +559,9 @@ static int cdns_spi_probe(struct platform_device *pdev)
master->auto_runtime_pm = true;
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+ xspi->clk_rate = clk_get_rate(xspi->ref_clk);
/* Set to default valid value */
- master->max_speed_hz = clk_get_rate(xspi->ref_clk) / 4;
+ master->max_speed_hz = xspi->clk_rate / 4;
xspi->speed_hz = master->max_speed_hz;
master->bits_per_word_mask = SPI_BPW_MASK(8);
diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c
index 4aa8596fb1f2..5be6b7b80c21 100644
--- a/drivers/spi/spi-dw-bt1.c
+++ b/drivers/spi/spi-dw-bt1.c
@@ -84,7 +84,7 @@ static void dw_spi_bt1_dirmap_copy_from_map(void *to, void __iomem *from, size_t
if (shift) {
chunk = min_t(size_t, 4 - shift, len);
data = readl_relaxed(from - shift);
- memcpy(to, &data + shift, chunk);
+ memcpy(to, (char *)&data + shift, chunk);
from += chunk;
to += chunk;
len -= chunk;
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 9494257e1c33..e4a8d203f940 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -115,14 +115,13 @@ static void fsl_spi_chipselect(struct spi_device *spi, int value)
{
struct mpc8xxx_spi *mpc8xxx_spi = spi_master_get_devdata(spi->master);
struct fsl_spi_platform_data *pdata;
- bool pol = spi->mode & SPI_CS_HIGH;
struct spi_mpc8xxx_cs *cs = spi->controller_state;
pdata = spi->dev.parent->parent->platform_data;
if (value == BITBANG_CS_INACTIVE) {
if (pdata->cs_control)
- pdata->cs_control(spi, !pol);
+ pdata->cs_control(spi, false);
}
if (value == BITBANG_CS_ACTIVE) {
@@ -134,7 +133,7 @@ static void fsl_spi_chipselect(struct spi_device *spi, int value)
fsl_spi_change_mode(spi);
if (pdata->cs_control)
- pdata->cs_control(spi, pol);
+ pdata->cs_control(spi, true);
}
}
@@ -696,7 +695,7 @@ static void fsl_spi_cs_control(struct spi_device *spi, bool on)
if (WARN_ON_ONCE(!pinfo->immr_spi_cs))
return;
- iowrite32be(on ? SPI_BOOT_SEL_BIT : 0, pinfo->immr_spi_cs);
+ iowrite32be(on ? 0 : SPI_BOOT_SEL_BIT, pinfo->immr_spi_cs);
}
}
diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index f236e3034cf8..14fc41ed2361 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -21,7 +21,8 @@ enum {
PORT_BSW1,
PORT_BSW2,
PORT_CE4100,
- PORT_LPT,
+ PORT_LPT0,
+ PORT_LPT1,
};
struct pxa_spi_info {
@@ -57,8 +58,10 @@ static struct dw_dma_slave bsw1_rx_param = { .src_id = 7 };
static struct dw_dma_slave bsw2_tx_param = { .dst_id = 8 };
static struct dw_dma_slave bsw2_rx_param = { .src_id = 9 };
-static struct dw_dma_slave lpt_tx_param = { .dst_id = 0 };
-static struct dw_dma_slave lpt_rx_param = { .src_id = 1 };
+static struct dw_dma_slave lpt1_tx_param = { .dst_id = 0 };
+static struct dw_dma_slave lpt1_rx_param = { .src_id = 1 };
+static struct dw_dma_slave lpt0_tx_param = { .dst_id = 2 };
+static struct dw_dma_slave lpt0_rx_param = { .src_id = 3 };
static bool lpss_dma_filter(struct dma_chan *chan, void *param)
{
@@ -185,12 +188,19 @@ static struct pxa_spi_info spi_info_configs[] = {
.num_chipselect = 1,
.max_clk_rate = 50000000,
},
- [PORT_LPT] = {
+ [PORT_LPT0] = {
.type = LPSS_LPT_SSP,
.port_id = 0,
.setup = lpss_spi_setup,
- .tx_param = &lpt_tx_param,
- .rx_param = &lpt_rx_param,
+ .tx_param = &lpt0_tx_param,
+ .rx_param = &lpt0_rx_param,
+ },
+ [PORT_LPT1] = {
+ .type = LPSS_LPT_SSP,
+ .port_id = 1,
+ .setup = lpss_spi_setup,
+ .tx_param = &lpt1_tx_param,
+ .rx_param = &lpt1_rx_param,
},
};
@@ -285,8 +295,11 @@ static const struct pci_device_id pxa2xx_spi_pci_devices[] = {
{ PCI_VDEVICE(INTEL, 0x2290), PORT_BSW1 },
{ PCI_VDEVICE(INTEL, 0x22ac), PORT_BSW2 },
{ PCI_VDEVICE(INTEL, 0x2e6a), PORT_CE4100 },
- { PCI_VDEVICE(INTEL, 0x9ce6), PORT_LPT },
- { },
+ { PCI_VDEVICE(INTEL, 0x9c65), PORT_LPT0 },
+ { PCI_VDEVICE(INTEL, 0x9c66), PORT_LPT1 },
+ { PCI_VDEVICE(INTEL, 0x9ce5), PORT_LPT0 },
+ { PCI_VDEVICE(INTEL, 0x9ce6), PORT_LPT1 },
+ { }
};
MODULE_DEVICE_TABLE(pci, pxa2xx_spi_pci_devices);
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index 8cdca6ab8098..ea706d9629cb 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -490,6 +490,10 @@ static void synquacer_spi_set_cs(struct spi_device *spi, bool enable)
val &= ~(SYNQUACER_HSSPI_DMPSEL_CS_MASK <<
SYNQUACER_HSSPI_DMPSEL_CS_SHIFT);
val |= spi->chip_select << SYNQUACER_HSSPI_DMPSEL_CS_SHIFT;
+
+ if (!enable)
+ val |= SYNQUACER_HSSPI_DMSTOP_STOP;
+
writel(val, sspi->regs + SYNQUACER_HSSPI_REG_DMSTART);
}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index a247fcac0dc7..dc4d19bd84b0 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1269,7 +1269,7 @@ static int spi_transfer_one_message(struct spi_controller *ctlr,
ptp_read_system_prets(xfer->ptp_sts);
}
- if (xfer->tx_buf || xfer->rx_buf) {
+ if ((xfer->tx_buf || xfer->rx_buf) && xfer->len) {
reinit_completion(&ctlr->xfer_completion);
fallback_pio:
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 859910ec8d9f..8cb4d923aeaa 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -682,6 +682,7 @@ static const struct of_device_id spidev_dt_ids[] = {
{ .compatible = "lwn,bk4" },
{ .compatible = "dh,dhcom-board" },
{ .compatible = "menlo,m53cpld" },
+ { .compatible = "cisco,spi-petra" },
{},
};
MODULE_DEVICE_TABLE(of, spidev_dt_ids);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 08:33:41 +0000