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mmc: sdhci: Allow for long command timeouts 

The driver has a timer with a 10 second timeout to catch devices that stop
responding.  However it is possible for commands to take even longer than
that.  Change the timer timeout to reflect the command timeout.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Adrian Hunter 2013-11-14 10:16:20 +02:00 committed by Chris Ball
parent e5624054c1
commit 3e1a689248
1 changed files with 6 additions and 1 deletions
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7
drivers/mmc/host/sdhci.c
View File

@ -1018,7 +1018,12 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
mdelay(1);
}
mod_timer(&host->timer, jiffies + 10 * HZ);
timeout = jiffies;
if (!cmd->data && cmd->cmd_timeout_ms > 9000)
timeout += DIV_ROUND_UP(cmd->cmd_timeout_ms, 1000) * HZ + HZ;
else
timeout += 10 * HZ;
mod_timer(&host->timer, timeout);
host->cmd = cmd;