From: per.forlin@stericsson.com (Per Forlin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] sdio: report error if pending IRQ but none CCCR_INTx bits
Date: Wed, 1 Jun 2011 10:48:33 +0200 [thread overview]
Message-ID: <1306918113-23872-3-git-send-email-per.forlin@stericsson.com> (raw)
In-Reply-To: <1306918113-23872-2-git-send-email-per.forlin@stericsson.com>
From: Per Forlin <per.forlin@linaro.org>
Return error in case of pending IRQ but none functions bits
in CCCR_INTx are 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 df1e946..4288d92 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:[~2011-06-01 8:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-01 8:48 [PATCH v2 0/2] sdio: add quirk for spurious SDIO IRQ Per Forlin
2011-06-01 8:48 ` [PATCH v2 1/2] sdio: add quirk to handle pending IRQ in case of none CCCR_INTx bits Per Forlin
2011-06-01 8:48 ` Per Forlin [this message]
2011-06-01 21:36 ` Troy Kisky
2011-06-07 6:49 ` Per Forlin
2011-06-01 15:59 ` [PATCH v2 0/2] sdio: add quirk for spurious SDIO IRQ Nicolas Pitre
2011-06-01 17:00 ` Chris Ball
2011-06-07 6:41 ` Per Forlin
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