[PATCH for-next 05/16] IB/hfi1: Ratelimit prints from sdma_interrupt

[Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

From: Grzegorz Morys <grzegorz.morys-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

Ratelimit error prints from sdma_interrupt function
that could swarm dmesg otherwise.

Reviewed-by: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Grzegorz Morys <grzegorz.morys-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 drivers/infiniband/hw/hfi1/chip.c |    4 ++--
 drivers/infiniband/hw/hfi1/hfi.h  |    6 ++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 45f6874..ac967a9 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -8290,8 +8290,8 @@ static irqreturn_t sdma_interrupt(int irq, void *data)
 		/* handle the interrupt(s) */
 		sdma_engine_interrupt(sde, status);
 	} else {
-		dd_dev_err(dd, "SDMA engine %u interrupt, but no status bits set\n",
-			   sde->this_idx);
+		dd_dev_err_ratelimited(dd, "SDMA engine %u interrupt, but no status bits set\n",
+				       sde->this_idx);
 	}
 	return IRQ_HANDLED;
 }
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index eadb735..3ac9c30 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -2119,9 +2119,15 @@ static inline u64 hfi1_pkt_base_sdma_integrity(struct hfi1_devdata *dd)
 #define dd_dev_emerg(dd, fmt, ...) \
 	dev_emerg(&(dd)->pcidev->dev, "%s: " fmt, \
 		  get_unit_name((dd)->unit), ##__VA_ARGS__)
+
 #define dd_dev_err(dd, fmt, ...) \
 	dev_err(&(dd)->pcidev->dev, "%s: " fmt, \
 			get_unit_name((dd)->unit), ##__VA_ARGS__)
+
+#define dd_dev_err_ratelimited(dd, fmt, ...) \
+	dev_err_ratelimited(&(dd)->pcidev->dev, "%s: " fmt, \
+			get_unit_name((dd)->unit), ##__VA_ARGS__)
+
 #define dd_dev_warn(dd, fmt, ...) \
 	dev_warn(&(dd)->pcidev->dev, "%s: " fmt, \
 			get_unit_name((dd)->unit), ##__VA_ARGS__)

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