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skd: cleanup skd_do_inq_page_da()

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skdev->pdev and skdev->pdev->bus are always different than NULL in
skd_do_inq_page_da() so simplify the code accordingly.

Also cache skdev->pdev value in pdev variable while at it.

Cc: Akhil Bhansali <abhansali@stec-inc.com>
Cc: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2013-11-05 12:37:07 +01:00 committed by Jens Axboe
parent 7f74e5e944
commit fec23f6311
1 changed files with 13 additions and 26 deletions
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39
drivers/block/skd_main.c
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@ -2590,6 +2590,7 @@ static void skd_do_inq_page_da(struct skd_device *skdev,
volatile struct fit_comp_error_info *skerr,
uint8_t *cdb, uint8_t *buf)
{
struct pci_dev *pdev = skdev->pdev;
unsigned max_bytes;
struct driver_inquiry_data inq;
u16 val;
@ -2601,36 +2602,22 @@ static void skd_do_inq_page_da(struct skd_device *skdev,
inq.page_code = DRIVER_INQ_EVPD_PAGE_CODE;
if (skdev->pdev && skdev->pdev->bus) {
skd_get_link_info(skdev->pdev,
&inq.pcie_link_speed, &inq.pcie_link_lanes);
inq.pcie_bus_number = cpu_to_be16(skdev->pdev->bus->number);
inq.pcie_device_number = PCI_SLOT(skdev->pdev->devfn);
inq.pcie_function_number = PCI_FUNC(skdev->pdev->devfn);
skd_get_link_info(pdev, &inq.pcie_link_speed, &inq.pcie_link_lanes);
inq.pcie_bus_number = cpu_to_be16(pdev->bus->number);
inq.pcie_device_number = PCI_SLOT(pdev->devfn);
inq.pcie_function_number = PCI_FUNC(pdev->devfn);
pci_read_config_word(skdev->pdev, PCI_VENDOR_ID, &val);
inq.pcie_vendor_id = cpu_to_be16(val);
pci_read_config_word(pdev, PCI_VENDOR_ID, &val);
inq.pcie_vendor_id = cpu_to_be16(val);
pci_read_config_word(skdev->pdev, PCI_DEVICE_ID, &val);
inq.pcie_device_id = cpu_to_be16(val);
pci_read_config_word(pdev, PCI_DEVICE_ID, &val);
inq.pcie_device_id = cpu_to_be16(val);
pci_read_config_word(skdev->pdev, PCI_SUBSYSTEM_VENDOR_ID,
&val);
inq.pcie_subsystem_vendor_id = cpu_to_be16(val);
pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &val);
inq.pcie_subsystem_vendor_id = cpu_to_be16(val);
pci_read_config_word(skdev->pdev, PCI_SUBSYSTEM_ID, &val);
inq.pcie_subsystem_device_id = cpu_to_be16(val);
} else {
inq.pcie_bus_number = 0xFFFF;
inq.pcie_device_number = 0xFF;
inq.pcie_function_number = 0xFF;
inq.pcie_link_speed = 0xFF;
inq.pcie_link_lanes = 0xFF;
inq.pcie_vendor_id = 0xFFFF;
inq.pcie_device_id = 0xFFFF;
inq.pcie_subsystem_vendor_id = 0xFFFF;
inq.pcie_subsystem_device_id = 0xFFFF;
}
pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &val);
inq.pcie_subsystem_device_id = cpu_to_be16(val);
/* Driver version, fixed lenth, padded with spaces on the right */
inq.driver_version_length = sizeof(inq.driver_version);