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scsi: hisi_sas: remove redundant handling to event95 for v3 

Event95 is used for DFX purpose. The relevant bit for this interrupt in
the ENT_INT_SRC_MSK3 register has been disabled, so remove the
processing.

Signed-off-by: Xiaofei Tan <tanxiaofei@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:
Xiaofei Tan 2018-05-02 23:56:32 +08:00 committed by Martin K. Petersen
parent 9413532788
commit bf081d5da4
1 changed files with 1 additions and 8 deletions
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9
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -1331,14 +1331,9 @@ static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
{
struct hisi_hba *hisi_hba = p;
struct device *dev = hisi_hba->dev;
u32 ent_msk, ent_tmp, irq_msk;
u32 irq_msk;
int phy_no = 0;
ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
ent_tmp = ent_msk;
ent_msk |= ENT_INT_SRC_MSK3_ENT95_MSK_MSK;
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_msk);
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
& 0xeeeeeeee;
@ -1415,8 +1410,6 @@ static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
phy_no++;
}
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_tmp);
return IRQ_HANDLED;
}