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s3cmci: fix direct write to interrupt mask 

The clear_imask() call should be used to clear the interrupt mask
register, as it may end up clearing the SDIO interrupt bit if this is
enabled.

Change all writes of zero to SDIIMSK register to use clear_imask() ready
for the SDIO updates.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ben Dooks 2009-10-01 15:44:16 -07:00 committed by Linus Torvalds
parent 50d7fa9aa4
commit e6130aeffd
1 changed files with 3 additions and 3 deletions
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6
drivers/mmc/host/s3cmci.c
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@ -681,9 +681,9 @@ out:
fail_request:
host->mrq->data->error = -EINVAL;
host->complete_what = COMPLETION_FINALIZE;
writel(0, host->base + host->sdiimsk);
goto out;
clear_imask(host);
goto out;
}
static void finalize_request(struct s3cmci_host *host)
@ -726,7 +726,7 @@ static void finalize_request(struct s3cmci_host *host)
writel(0, host->base + S3C2410_SDICMDARG);
writel(S3C2410_SDIDCON_STOP, host->base + S3C2410_SDIDCON);
writel(0, host->base + S3C2410_SDICMDCON);
writel(0, host->base + host->sdiimsk);
clear_imask(host);
if (cmd->data && cmd->error)
cmd->data->error = cmd->error;