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| author | Rex Chen <rex.chen_1@nxp.com> | 2025-07-28 17:22:29 +0900 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-29 13:59:53 +0100 |
| commit | 8613c9fb1c565d4282d764ee12b3710d6d93d279 (patch) | |
| tree | bc145edb0a09e9b82b848413d68344cc7a6138ea /drivers | |
| parent | d70c7265472a4f48de73fc717886d994e38b7c59 (diff) | |
| download | linux-8613c9fb1c565d4282d764ee12b3710d6d93d279.tar.gz linux-8613c9fb1c565d4282d764ee12b3710d6d93d279.tar.bz2 linux-8613c9fb1c565d4282d764ee12b3710d6d93d279.zip | |
mmc: core: SPI mode remove cmd7
commit fec40f44afdabcbc4a7748e4278f30737b54bb1a upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -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 2362a70460f1..2908037a1526 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -868,7 +868,11 @@ 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); } /* |