From e6f918bf39773d712ab5b457bff54ade3bda0cb1 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Tue, 7 Aug 2007 14:11:55 +0200 Subject: [PATCH] mmc: fix sdio timeout calculation SDIO doesn't have a CSD so it uses different timeout values than SD memory. Signed-off-by: Pierre Ossman --- drivers/mmc/core/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 07c03cb677b..9d29bed820a 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -231,6 +231,15 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card) { unsigned int mult; + /* + * SDIO cards only define an upper 1 s limit on access. + */ + if (mmc_card_sdio(card)) { + data->timeout_ns = 1000000000; + data->timeout_clks = 0; + return; + } + /* * SD cards use a 100 multiplier rather than 10 */ -- 2.41.0