diff options
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 33525bdf2ab..c0c7ef2a8b2 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -912,6 +912,7 @@ static void mmc_read_scrs(struct mmc_host *host) struct mmc_request mrq; struct mmc_command cmd; struct mmc_data data; + unsigned int timeout_us; struct scatterlist sg; @@ -947,8 +948,18 @@ static void mmc_read_scrs(struct mmc_host *host) memset(&data, 0, sizeof(struct mmc_data)); - data.timeout_ns = card->csd.tacc_ns * 10; - data.timeout_clks = card->csd.tacc_clks * 10; + data.timeout_ns = card->csd.tacc_ns * 100; + data.timeout_clks = card->csd.tacc_clks * 100; + + timeout_us = data.timeout_ns / 1000; + timeout_us += data.timeout_clks * 1000 / + (host->ios.clock / 1000); + + if (timeout_us > 100000) { + data.timeout_ns = 100000000; + data.timeout_clks = 0; + } + data.blksz_bits = 3; data.blksz = 1 << 3; data.blocks = 1; |