[PATCH v2 08/10] scsi: qla2xxx: Use FIELD_GET() to extract PCIe capability fields

From: Ilpo Järvinen
Date: Wed Sep 13 2023 - 08:31:08 EST


Use FIELD_GET() to extract PCIe capability registers field instead of
custom masking and shifting.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_os.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 50db08265c51..7e103d711825 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5,6 +5,7 @@
*/
#include "qla_def.h"

+#include <linux/bitfield.h>
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
@@ -633,8 +634,8 @@ qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
const char *speed_str;

pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
- lspeed = lstat & PCI_EXP_LNKCAP_SLS;
- lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
+ lspeed = FIELD_GET(PCI_EXP_LNKCAP_SLS, lstat);
+ lwidth = FIELD_GET(PCI_EXP_LNKCAP_MLW, lstat);

switch (lspeed) {
case 1:
--
2.30.2