[PATCH v2 2/2] sdio: report error if pending IRQ but none CCCR_INTx bits
From: Per Forlin <hidden>
Date: 2011-06-01 08:48:33
Also in:
linux-mmc
Subsystem:
multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers:
Ulf Hansson, Linus Torvalds
From: Per Forlin <redacted> Return error in case of pending IRQ but none functions bits in CCCR_INTx are set. Signed-off-by: Per Forlin <redacted> --- 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