lkml.org 
[lkml]   [2011]   [Mar]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC 2/4] sdhci: sanity check for triggering interrupts thread
Date
Instead of just assuming an interrupt is pending and
processing it, ensure we have interrupts enabled first
prior to calling our IRQ thread processor.

Cc: Chris Ball <cjb@laptop.org>
Cc: Kalle Valo <kvalo@adurom.com>
Cc: Naveen Singh <nsingh@atheros.com>
Cc: Vipin Mehta <Vipin.Mehta@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
---
drivers/mmc/host/sdhci.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index c95dfc2..7074870 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1616,8 +1616,11 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)

intmask &= ~SDHCI_INT_BUS_POWER;

- if (intmask & SDHCI_INT_CARD_INT)
- cardint = 1;
+ if (intmask & SDHCI_INT_CARD_INT) {
+ if (readl(host->ioaddr + SDHCI_INT_ENABLE) & SDHCI_INT_CARD_INT)
+ cardint = 1;
+ }
+

intmask &= ~SDHCI_INT_CARD_INT;

--
1.7.4.15.g7811d


\
 
 \ /
  Last update: 2011-03-18 23:15    [W:0.090 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site