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net: ena: simplify ena_com_update_intr_delay_resolution() 

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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arthur Kiyanovski 2020-05-22 12:08:56 +03:00 committed by David S. Miller
parent adb3fb3889
commit da447b3b54
1 changed files with 2 additions and 6 deletions
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8
drivers/net/ethernet/amazon/ena/ena_com.c
View File

@ -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;
}