Thread (4 messages) 4 messages, 2 authors, 2014-01-30

Re: [patch] mmc: omap_hsmmc: precedence bug in omap_hsmmc_context_restore()

From: Dan Carpenter <hidden>
Date: 2014-01-30 12:15:26
Also in: kernel-janitors, linux-mmc, linux-omap

On Thu, Aug 22, 2013 at 08:16:28PM +0530, Balaji T K wrote:
On Thursday 22 August 2013 06:26 PM, Dan Carpenter wrote:
quoted
'!' has higher precedence than '&' so this doesn't work as intended
although since RESETDONE is 1 it would work if none of the other bits
are set.
Hi Dan,

Thanks for the patch, Indeed other bits are reserved.
however ...
quoted
Signed-off-by: Dan Carpenter <redacted>
---
Untested.
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 1865321..7346b15 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -612,7 +612,7 @@ static int omap_hsmmc_context_restore(struct omap_hsmmc_host *host)
 	if (host->context_loss == context_loss)
 		return 1;

-	if (!OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE)
+	if (!(OMAP_HSMMC_READ(host->base, SYSSTATUS) & RESETDONE))
 		return 1;
This check is unnecessary, will send a patch to remove this.
What happened with this?

regards,
dan carpenter
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