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| author | Rex Chen <rex.chen_1@nxp.com> | 2025-07-28 11:22:29 +0300 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2025-08-19 15:33:37 +0300 |
| commit | fec40f44afdabcbc4a7748e4278f30737b54bb1a (patch) | |
| tree | e54c16218895385453dde4db26afb6ff3491d238 | |
| parent | 0caebd1658bbb3796bec4e3449876742d29701ab (diff) | |
| download | linux-fec40f44afdabcbc4a7748e4278f30737b54bb1a.tar.xz | |
mmc: core: SPI mode remove cmd7
SPI mode doesn't support cmd7, so remove it in mmc_sdio_alive() and
confirm if sdio is active by checking CCCR register value is available
or not.
Signed-off-by: Rex Chen <rex.chen_1@nxp.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20250728082230.1037917-2-rex.chen_1@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/core/sdio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 0f753367aec1..83085e76486a 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -945,7 +945,11 @@ static void mmc_sdio_remove(struct mmc_host *host) */ static int mmc_sdio_alive(struct mmc_host *host) { - return mmc_select_card(host->card); + if (!mmc_host_is_spi(host)) + return mmc_select_card(host->card); + else + return mmc_io_rw_direct(host->card, 0, 0, SDIO_CCCR_CCCR, 0, + NULL); } /* |