From: per.forlin@linaro.org (Per Forlin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] sdio: report error if pending IRQ but none function bits
Date: Tue, 31 May 2011 22:33:28 +0200 [thread overview]
Message-ID: <1306874008-28867-3-git-send-email-per.forlin@linaro.org> (raw)
In-Reply-To: <1306874008-28867-1-git-send-email-per.forlin@linaro.org>
Return error in case of pending IRQ but none functions bits
in CCCR_INTx is set.
Signed-off-by: Per Forlin <per.forlin@linaro.org>
---
drivers/mmc/core/sdio_irq.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 2f81ddc..8184b6e 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -50,6 +50,11 @@ static int process_sdio_pending_irqs(struct mmc_card *card)
return ret;
}
+ if (!pending) {
+ printk(KERN_WARNING "%s: pending IRQ but none function bits\n",
+ mmc_card_id(card));
+ ret = -EINVAL;
+ }
count = 0;
for (i = 1; i <= 7; i++) {
if (pending & (1 << i)) {
--
1.7.4.1
next prev parent reply other threads:[~2011-05-31 20:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-31 20:33 [PATCH 0/2] sdio: make sdio_single_irq optional due to suprious IRQ Per Forlin
2011-05-31 20:33 ` [PATCH 1/2] sdio: add function to enable and disable sdio_single_irq optimization Per Forlin
2011-06-01 7:30 ` Linus Walleij
2011-06-01 7:39 ` Per Forlin
2011-05-31 20:33 ` Per Forlin [this message]
2011-06-01 14:30 ` [PATCH 2/2] sdio: report error if pending IRQ but none function bits Nicolas Pitre
2011-06-07 7:02 ` Per Forlin
2011-05-31 21:52 ` [PATCH 0/2] sdio: make sdio_single_irq optional due to suprious IRQ Daniel Drake
2011-06-01 14:29 ` Nicolas Pitre
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