diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c index e829101d576c..9f0e35f27789 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_tm.c @@ -81,16 +81,13 @@ static int hclge_shaper_para_calc(u32 ir, u8 shaper_level, return 0; } else if (ir_calc > ir) { /* Increasing the denominator to select ir_s value */ - while (ir_calc > ir) { + while (ir_calc >= ir && ir) { ir_s_calc++; ir_calc = DIVISOR_IR_B_126 / (tick * (1 << ir_s_calc)); } - if (ir_calc == ir) - *ir_b = 126; - else - *ir_b = (ir * tick * (1 << ir_s_calc) + - (DIVISOR_CLK >> 1)) / DIVISOR_CLK; + *ir_b = (ir * tick * (1 << ir_s_calc) + (DIVISOR_CLK >> 1)) / + DIVISOR_CLK; } else { /* Increasing the numerator to select ir_u value */ u32 numerator; @@ -104,7 +101,7 @@ static int hclge_shaper_para_calc(u32 ir, u8 shaper_level, if (ir_calc == ir) { *ir_b = 126; } else { - u32 denominator = (DIVISOR_CLK * (1 << --ir_u_calc)); + u32 denominator = DIVISOR_CLK * (1 << --ir_u_calc); *ir_b = (ir * tick + (denominator >> 1)) / denominator; } } |