linux-kernel - [PATCH 8/8] scsi: qla2xxx: Use FIELD

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Message-Id: <20230911121501.21910-9-ilpo.jarvinen@linux.intel.com>
Date:   Mon, 11 Sep 2023 15:15:01 +0300
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     linux-pci@...r.kernel.org, Bjorn Helgaas <helgaas@...nel.org>,
        Nilesh Javali <njavali@...vell.com>,
        GR-QLogic-Storage-Upstream@...vell.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Subject: [PATCH 8/8] scsi: qla2xxx: Use FIELD_GET() to extract Link Width

Use FIELD_GET() to extract PCIe Maximum Link Width field instead of
custom masking and shifting.

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

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 877e4f446709..0c97a5e4249c 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>
@@ -632,7 +633,7 @@ qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
 
 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
-		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
+		lwidth = FIELD_GET(PCI_EXP_LNKCAP_MLW, lstat);
 
 		switch (lspeed) {
 		case 1:
-- 
2.30.2