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mmc: core: SPI mode remove cmd7

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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>
This commit is contained in:
Rex Chen
2025-07-28 17:22:29 +09:00
committed by Greg Kroah-Hartman
parent 6a5b401c74
commit 587b819fbc
1 changed files with 5 additions and 1 deletions
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6
drivers/mmc/core/sdio.c
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@@ -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);
}
/*