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[V1,net-next,06/15] net: ena: simplify ena_com_update_intr_delay_resolution()

Message ID 1590088114-381-7-git-send-email-akiyano@amazon.com
State New
Headers show
Series ENA features and cosmetic changes | expand

Commit Message

Kiyanovski, Arthur May 21, 2020, 7:08 p.m. UTC 
From: Arthur Kiyanovski <akiyano@amazon.com>

Initialize prev_intr_delay_resolution with ena_dev->intr_delay_resolution
unconditionally, since it is initialized with
ENA_DEFAULT_INTR_DELAY_RESOLUTION in ena_probe(). This approach makes much
more sense than handling errors of not initializing it.

Also added unlikely to if condition.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
---
 drivers/net/ethernet/amazon/ena/ena_com.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
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Patch

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 921945dace22..e2025eb86984 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -1281,13 +1281,9 @@  static int ena_com_ind_tbl_convert_to_device(struct ena_com_dev *ena_dev)
 static void ena_com_update_intr_delay_resolution(struct ena_com_dev *ena_dev,
 						 u16 intr_delay_resolution)
 {
-	/* Initial value of intr_delay_resolution might be 0 */
-	u16 prev_intr_delay_resolution =
-		ena_dev->intr_delay_resolution ?
-		ena_dev->intr_delay_resolution :
-		ENA_DEFAULT_INTR_DELAY_RESOLUTION;
+	u16 prev_intr_delay_resolution = ena_dev->intr_delay_resolution;
 
-	if (!intr_delay_resolution) {
+	if (unlikely(!intr_delay_resolution)) {
 		pr_err("Illegal intr_delay_resolution provided. Going to use default 1 usec resolution\n");
 		intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION;
 	}