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scsi: hisi_sas: Replace magic number when handle channel interrupt

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We use magic number as offset and mask when handle channel interrupt, so
use macro to replace it.

Link: https://lore.kernel.org/r/1579522957-4393-4-git-send-email-john.garry@huawei.com
Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Luo Jiaxing 2020-01-20 20:22:33 +08:00 committed by Martin K. Petersen
parent e9dc5e11c9
commit d2815fdf9a
1 changed files with 12 additions and 5 deletions
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17
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -495,6 +495,13 @@ struct hisi_sas_err_record_v3 {
#define BASE_VECTORS_V3_HW 16
#define MIN_AFFINE_VECTORS_V3_HW (BASE_VECTORS_V3_HW + 1)
#define CHNL_INT_STS_MSK 0xeeeeeeee
#define CHNL_INT_STS_PHY_MSK 0xe
#define CHNL_INT_STS_INT0_MSK BIT(1)
#define CHNL_INT_STS_INT1_MSK BIT(2)
#define CHNL_INT_STS_INT2_MSK BIT(3)
#define CHNL_WIDTH 4
enum {
DSM_FUNC_ERR_HANDLE_MSI = 0,
};
@ -1819,19 +1826,19 @@ static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
int phy_no = 0;
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
& 0xeeeeeeee;
& CHNL_INT_STS_MSK;
while (irq_msk) {
if (irq_msk & (2 << (phy_no * 4)))
if (irq_msk & (CHNL_INT_STS_INT0_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int0_v3_hw(hisi_hba, phy_no);
if (irq_msk & (4 << (phy_no * 4)))
if (irq_msk & (CHNL_INT_STS_INT1_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int1_v3_hw(hisi_hba, phy_no);
if (irq_msk & (8 << (phy_no * 4)))
if (irq_msk & (CHNL_INT_STS_INT2_MSK << (phy_no * CHNL_WIDTH)))
handle_chl_int2_v3_hw(hisi_hba, phy_no);
irq_msk &= ~(0xe << (phy_no * 4));
irq_msk &= ~(CHNL_INT_STS_PHY_MSK << (phy_no * CHNL_WIDTH));
phy_no++;
}