From: Xiang Chen chenxiang66@hisilicon.com

Use managed pci functions such as pcim_enable_device() and pcim_iomap_regions() to simplify exception handling code.

Signed-off-by: Xiang Chen chenxiang66@hisilicon.com --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 17e196c..689c299 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -518,6 +518,8 @@ struct hisi_sas_err_record_v3 { #define CHNL_INT_STS_INT2_MSK BIT(3) #define CHNL_WIDTH 4

+#define BAR_NO_V3_HW 5 + enum { DSM_FUNC_ERR_HANDLE_MSI = 0, }; @@ -4675,15 +4677,15 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct sas_ha_struct *sha; int rc, phy_nr, port_nr, i;

- rc = pci_enable_device(pdev); + rc = pcim_enable_device(pdev); if (rc) goto err_out;

pci_set_master(pdev);

- rc = pci_request_regions(pdev, DRV_NAME); + rc = pcim_iomap_regions(pdev, 1 << BAR_NO_V3_HW, DRV_NAME); if (rc) - goto err_out_disable_device; + goto err_out;

rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); if (rc) @@ -4691,20 +4693,20 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (rc) { dev_err(dev, "No usable DMA addressing method\n"); rc = -ENODEV; - goto err_out_regions; + goto err_out; }

shost = hisi_sas_shost_alloc_pci(pdev); if (!shost) { rc = -ENOMEM; - goto err_out_regions; + goto err_out; }

sha = SHOST_TO_SAS_HA(shost); hisi_hba = shost_priv(shost); dev_set_drvdata(dev, sha);

- hisi_hba->regs = pcim_iomap(pdev, 5, 0); + hisi_hba->regs = pcim_iomap_table(pdev)[BAR_NO_V3_HW]; if (!hisi_hba->regs) { dev_err(dev, "cannot map register\n"); rc = -ENOMEM; @@ -4798,10 +4800,6 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id) err_out_ha: hisi_sas_free(hisi_hba); scsi_host_put(shost); -err_out_regions: - pci_release_regions(pdev); -err_out_disable_device: - pci_disable_device(pdev); err_out: return rc; } @@ -4839,8 +4837,6 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev) sas_remove_host(sha->core.shost);

hisi_sas_v3_destroy_irqs(pdev, hisi_hba); - pci_release_regions(pdev); - pci_disable_device(pdev); hisi_sas_free(hisi_hba); debugfs_exit_v3_hw(hisi_hba); scsi_host_put(shost);