From: Ulf Hansson ulf.hansson@linaro.org
stable inclusion from stable-v5.10.94 commit 5d54ed155031a4b13cd92b3deb404673d82d7504 bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit 8c3e5b74b9e2146f564905e50ca716591c76d4f1 ]
The mmc core takes a specific path to support initializing of a non-standard SDIO card. This is triggered by looking for the card-quirk, MMC_QUIRK_NONSTD_SDIO.
In mmc_sdio_init_card() this gets rather messy, as it causes the code to bail out earlier, compared to the usual path. This leads to that the OCR doesn't get saved properly in card->ocr. Fortunately, only omap_hsmmc has been using the MMC_QUIRK_NONSTD_SDIO and is dealing with the issue, by assigning a hardcoded value (0x80) to card->ocr from an ->init_card() ops.
To make the behaviour consistent, let's instead rely on the core to save the OCR in card->ocr during initialization.
Reported-by: H. Nikolaus Schaller hns@goldelico.com Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: H. Nikolaus Schaller hns@goldelico.com Link: https://lore.kernel.org/r/e7936cff7fc24d187ef2680d3b4edb0ade58f293.163656463... Signed-off-by: Ulf Hansson ulf.hansson@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/mmc/core/sdio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 1b0853a82189..99a4ce68d82f 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -708,6 +708,8 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, if (host->ops->init_card) host->ops->init_card(host, card);
+ card->ocr = ocr_card; + /* * If the host and card support UHS-I mode request the card * to switch to 1.8V signaling level. No 1.8v signalling if @@ -820,7 +822,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, goto mismatch; } } - card->ocr = ocr_card; + mmc_fixup_device(card, sdio_fixup_methods);
if (card->type == MMC_TYPE_SD_COMBO) {