diff options
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/dw_mmc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 8ce9a52d365b..b613845396a1 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1024,11 +1024,13 @@ static void __dw_mci_start_request(struct dw_mci *host, if (cmd->opcode == SD_SWITCH_VOLTAGE) { /* - * Databook says to fail after 2ms w/ no response; give an - * extra jiffy just in case we're about to roll over. + * Databook says to fail after 2ms w/ no response, but evidence + * shows that sometimes the cmd11 interrupt takes over 130ms. + * We'll set to 500ms, plus an extra jiffy just in case jiffies + * is just about to roll over. */ mod_timer(&host->cmd11_timer, - jiffies + msecs_to_jiffies(2) + 1); + jiffies + msecs_to_jiffies(500) + 1); } if (mrq->stop) |