[PATCH v3 28/32] PCI/qla: use PCIe capabilities access functions to simplify implementation
From: Jiang Liu <hidden>
Date: 2012-08-01 16:00:06
Also in:
lkml
Subsystem:
qlogic qla2xxx fc-scsi driver, qlogic qla4xxx iscsi driver, scsi subsystem, the rest · Maintainers:
Nilesh Javali, Manish Rangankar, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: Jiang Liu <redacted> Use PCIe capabilities access functions to simplify QLA SCSI drivers' implementation. Signed-off-by: Jiang Liu <redacted> --- drivers/scsi/qla2xxx/qla_init.c | 4 ++-- drivers/scsi/qla2xxx/qla_nx.c | 8 ++------ drivers/scsi/qla4xxx/ql4_nx.c | 4 +--- 3 files changed, 5 insertions(+), 11 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ca50847..a44653b 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c@@ -685,7 +685,7 @@ qla24xx_pci_config(scsi_qla_host_t *vha) pcix_set_mmrbc(ha->pdev, 2048); /* PCIe -- adjust Maximum Read Request Size (2048). */ - if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) + if (pci_is_pcie(ha->pdev)) pcie_set_readrq(ha->pdev, 2048); pci_disable_rom(ha->pdev);
@@ -721,7 +721,7 @@ qla25xx_pci_config(scsi_qla_host_t *vha) pci_write_config_word(ha->pdev, PCI_COMMAND, w); /* PCIe -- adjust Maximum Read Request Size (2048). */ - if (pci_find_capability(ha->pdev, PCI_CAP_ID_EXP)) + if (pci_is_pcie(ha->pdev)) pcie_set_readrq(ha->pdev, 2048); pci_disable_rom(ha->pdev);
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index caf627b..be516e9 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c@@ -1615,13 +1615,11 @@ qla82xx_get_fw_offs(struct qla_hw_data *ha) char * qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str) { - int pcie_reg; struct qla_hw_data *ha = vha->hw; char lwstr[6]; uint16_t lnk; - pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); - pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk); + pci_pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); ha->link_width = (lnk >> 4) & 0x3f; strcpy(str, "PCIe (");
@@ -2497,7 +2495,6 @@ fw_load_failed: int qla82xx_start_firmware(scsi_qla_host_t *vha) { - int pcie_cap; uint16_t lnk; struct qla_hw_data *ha = vha->hw;
@@ -2528,8 +2525,7 @@ qla82xx_start_firmware(scsi_qla_host_t *vha) } /* Negotiated Link width */ - pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); - pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk); + pci_pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); ha->link_width = (lnk >> 4) & 0x3f; /* Synchronize with Receive peg */
diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c
index 228b670..7e30158 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.c
+++ b/drivers/scsi/qla4xxx/ql4_nx.c@@ -1566,7 +1566,6 @@ qla4_8xxx_set_qsnt_ready(struct scsi_qla_host *ha) static int qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start) { - int pcie_cap; uint16_t lnk; /* scrub dma mask expansion register */
@@ -1590,8 +1589,7 @@ qla4_8xxx_start_firmware(struct scsi_qla_host *ha, uint32_t image_start) } /* Negotiated Link width */ - pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); - pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk); + pci_pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); ha->link_width = (lnk >> 4) & 0x3f; /* Synchronize with Receive peg */
--
1.7.9.5