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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-04 19:41:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-04 19:41:09 -0700
commit328141e51e6fc79d21168bfd4e356dddc2ec7491 (patch)
treed96dbb769f25332d17269339873617c350c8f799 /drivers/mmc/core/sdio.c
parenteff0cb3d91c06acbb957be1134a07afa2c4978e3 (diff)
parent527f36f5efa45b6a897190cabf982e2d207887da (diff)
Merge tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson: "MMC core: - Add support for the asynchronous SDIO wakeup interrupts - Skip redundant evaluation of eMMC HS400 caps when no-MMC-cap - Add support to store error stats from host drivers - Extend debugfs to show error stats from host drivers - Add single I/O read support in the recovery path for 4k sector cards MMC host: - dw_mmc-exynos: Convert corresponding DT bindings to the dtschema - dw_mmc-rockchip: Add support for the Rockchip RV1126 variant - mmc_spi: Convert corresponding DT bindings to the dtschema - mtk-sd: Extend support for interrupts/pinctrls for SDIO low-power mode - mtk-sd: Add support for SDIO wake irqs - mtk-sd: Add support for the Mediatek MT8188 variant - renesas_sdhi: Drop redundant manual tap correction for newer SoCs - renesas_sdhi: Add support for the R-Car S4-8 and generic Gen4 variants - sdhci/cqhci: Add support to capture stats from host errors - sdhci-brcmstb: Add ability to increase max clock rate for SDIO on 72116b0 - sdhci-msm: Add support for the MSM8998 and SM8450 variant - sdhci-of-at91: Fixup UHS-I mode by rewriting of MC1R - sdhci-of-dwcmshc: Add support for the Rockchip rk3588 variant - sdhci-of-dwcmshc: Enable reset support for the Rockchip variants - sdhci-pci-gli: Improve I/O read/write performance for GL9763E - sdhci-s3c: Convert corresponding DT bindings to the dtschema - tmio: Avoid glitches when resetting MEMSTICK core: - A couple of minor fixes and cleanups" * tag 'mmc-v5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (61 commits) mmc: mediatek: add support for SDIO eint wakup IRQ mmc: core: Add support for SDIO wakeup interrupt dt-bindings: mmc: mtk-sd: extend interrupts and pinctrls properties dt-bindings: mmc: rockchip-dw-mshc: Document Rockchip RV1126 mmc: renesas_sdhi: newer SoCs don't need manual tap correction mmc: cavium-thunderx: Add of_node_put() when breaking out of loop mmc: cavium-octeon: Add of_node_put() when breaking out of loop mmc: core: quirks: Add of_node_put() when breaking out of loop mmc: sdhci-brcmstb: use clk_get_rate(base_clk) in PM resume dt-bindings: mmc: sdhci-msm: Document the SM8450 compatible mmc: sdhci-msm: drop redundant of_device_id entries dt-bindings: mmc: sdhci-msm: add MSM8998 mmc: block: Add single read for 4k sector cards mmc: mxcmmc: Use mmc_card_sdio macro mmc: core: Use mmc_card_* macro and add a new for the sd_combo type dt-bindings: mmc: sdhci-msm: constrain reg-names per variants dt-bindings: mmc: sdhci-msm: fix reg-names entries dt-bindings: mmc: Add compatible for MediaTek MT8188 dt-bindings: mmc: sdhci-msm: document resets mmc: sdhci-of-at91: fix set_uhs_signaling rewriting of MC1R ...
Diffstat (limited to 'drivers/mmc/core/sdio.c')
-rw-r--r--drivers/mmc/core/sdio.c30
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 25799accf8a0..0b682a31cd3e 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -226,6 +226,20 @@ static int sdio_read_cccr(struct mmc_card *card, u32 ocr)
card->sw_caps.sd3_drv_type |= SD_DRIVER_TYPE_C;
if (data & SDIO_DRIVE_SDTD)
card->sw_caps.sd3_drv_type |= SD_DRIVER_TYPE_D;
+
+ ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTERRUPT_EXT, 0, &data);
+ if (ret)
+ goto out;
+
+ if (data & SDIO_INTERRUPT_EXT_SAI) {
+ data |= SDIO_INTERRUPT_EXT_EAI;
+ ret = mmc_io_rw_direct(card, 1, 0, SDIO_CCCR_INTERRUPT_EXT,
+ data, NULL);
+ if (ret)
+ goto out;
+
+ card->cccr.enable_async_irq = 1;
+ }
}
/* if no uhs mode ensure we check for high speed */
@@ -335,7 +349,7 @@ static int sdio_disable_4bit_bus(struct mmc_card *card)
{
int err;
- if (card->type == MMC_TYPE_SDIO)
+ if (mmc_card_sdio(card))
goto out;
if (!(card->host->caps & MMC_CAP_4_BIT_DATA))
@@ -360,7 +374,7 @@ static int sdio_enable_4bit_bus(struct mmc_card *card)
err = sdio_enable_wide(card);
if (err <= 0)
return err;
- if (card->type == MMC_TYPE_SDIO)
+ if (mmc_card_sdio(card))
goto out;
if (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4) {
@@ -415,7 +429,7 @@ static int sdio_enable_hs(struct mmc_card *card)
int ret;
ret = mmc_sdio_switch_hs(card, true);
- if (ret <= 0 || card->type == MMC_TYPE_SDIO)
+ if (ret <= 0 || mmc_card_sdio(card))
return ret;
ret = mmc_sd_switch_hs(card);
@@ -441,7 +455,7 @@ static unsigned mmc_sdio_get_max_clock(struct mmc_card *card)
max_dtr = card->cis.max_dtr;
}
- if (card->type == MMC_TYPE_SD_COMBO)
+ if (mmc_card_sd_combo(card))
max_dtr = min(max_dtr, mmc_sd_get_max_clock(card));
return max_dtr;
@@ -689,7 +703,7 @@ try_again:
mmc_sd_get_cid(host, ocr & rocr, card->raw_cid, NULL) == 0) {
card->type = MMC_TYPE_SD_COMBO;
- if (oldcard && (oldcard->type != MMC_TYPE_SD_COMBO ||
+ if (oldcard && (!mmc_card_sd_combo(oldcard) ||
memcmp(card->raw_cid, oldcard->raw_cid, sizeof(card->raw_cid)) != 0)) {
err = -ENOENT;
goto mismatch;
@@ -697,7 +711,7 @@ try_again:
} else {
card->type = MMC_TYPE_SDIO;
- if (oldcard && oldcard->type != MMC_TYPE_SDIO) {
+ if (oldcard && !mmc_card_sdio(oldcard)) {
err = -ENOENT;
goto mismatch;
}
@@ -754,7 +768,7 @@ try_again:
/*
* Read CSD, before selecting the card
*/
- if (!oldcard && card->type == MMC_TYPE_SD_COMBO) {
+ if (!oldcard && mmc_card_sd_combo(card)) {
err = mmc_sd_get_csd(card);
if (err)
goto remove;
@@ -827,7 +841,7 @@ try_again:
mmc_fixup_device(card, sdio_fixup_methods);
- if (card->type == MMC_TYPE_SD_COMBO) {
+ if (mmc_card_sd_combo(card)) {
err = mmc_sd_setup_card(host, card, oldcard != NULL);
/* handle as SDIO-only card if memory init failed */
if (err) {