[PATCH v2 6/6] crypto: ccree: rate limit debug print

From: Gilad Ben-Yossef
Date: Sun Jul 01 2018 - 03:04:04 EST


A debug print about register status post interrupt can happen
quite often. Rate limit it to avoid cluttering the log.

Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
drivers/crypto/ccree/cc_driver.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/ccree/cc_driver.c b/drivers/crypto/ccree/cc_driver.c
index bd974fe..1ff229c 100644
--- a/drivers/crypto/ccree/cc_driver.c
+++ b/drivers/crypto/ccree/cc_driver.c
@@ -131,8 +131,8 @@ static irqreturn_t cc_isr(int irq, void *dev_id)
}

if (irr) {
- dev_dbg(dev, "IRR includes unknown cause bits (0x%08X)\n",
- irr);
+ dev_dbg_ratelimited(dev, "IRR includes unknown cause bits (0x%08X)\n",
+ irr);
/* Just warning */
}

--
2.7.4