From: Xiang Chen <chenxiang66@hisilicon.com>
Date: Mon, 5 Aug 2019 21:48:10 +0800
Subject: [PATCH] scsi: hisi_sas: Remove some unnecessary code
References: bsc#1156419,jsc#SLE-8281
Git-commit: a07b48766c5232b98154f68010512a9269f2841e
Patch-mainline: v5.4-rc1
Remove some unnecessary code, including:
- Explicit zeroing of memory allocated for dmam_alloc_coherent()
- Some duplicated code
- Some redundant masking
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 5 ++---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 5 +----
2 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index be15280343d1..e1c52811f4c7 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2358,7 +2358,7 @@ int hisi_sas_alloc(struct hisi_hba *hisi_hba)
s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
hisi_hba->itct = dmam_alloc_coherent(dev, s, &hisi_hba->itct_dma,
- GFP_KERNEL | __GFP_ZERO);
+ GFP_KERNEL);
if (!hisi_hba->itct)
goto err_out;
@@ -2385,7 +2385,7 @@ int hisi_sas_alloc(struct hisi_hba *hisi_hba)
void *buf;
buf = dmam_alloc_coherent(dev, s, &buf_dma,
- GFP_KERNEL | __GFP_ZERO);
+ GFP_KERNEL);
if (!buf)
goto err_out;
@@ -2434,7 +2434,6 @@ int hisi_sas_alloc(struct hisi_hba *hisi_hba)
GFP_KERNEL);
if (!hisi_hba->sata_breakpoint)
goto err_out;
- hisi_sas_init_mem(hisi_hba);
hisi_sas_slot_index_init(hisi_hba);
hisi_hba->last_slot_index = HISI_SAS_UNRESERVED_IPTT;
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 3cc53e5b92f2..db8c7e4b1954 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -1914,7 +1914,7 @@ static void fatal_ecc_int_v3_hw(struct hisi_hba *hisi_hba)
u32 irq_value, irq_msk;
irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
- hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk | 0xffffffff);
+ hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
if (irq_value)
@@ -3008,8 +3008,6 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
else
hisi_hba->prot_mask = prot_mask;
- timer_setup(&hisi_hba->timer, NULL, 0);
-
if (hisi_sas_get_fw_info(hisi_hba) < 0)
goto err_out;
@@ -3099,7 +3097,6 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
sha->lldd_module = THIS_MODULE;
sha->sas_addr = &hisi_hba->sas_addr[0];
sha->num_phys = hisi_hba->n_phy;
- sha->core.shost = hisi_hba->shost;
for (i = 0; i < hisi_hba->n_phy; i++) {
sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
--
2.16.4