[PATCH v3 3/8] igb: Use FIELD_GET() to extract Link Width

From: Ilpo Järvinen
Date: Tue Sep 19 2023 - 08:57:26 EST


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

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
---
drivers/net/ethernet/intel/igb/e1000_mac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c
index caf91c6f52b4..5a23b9cfec6c 100644
--- a/drivers/net/ethernet/intel/igb/e1000_mac.c
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2007 - 2018 Intel Corporation. */

+#include <linux/bitfield.h>
#include <linux/if_ether.h>
#include <linux/delay.h>
#include <linux/pci.h>
@@ -50,9 +51,8 @@ s32 igb_get_bus_info_pcie(struct e1000_hw *hw)
break;
}

- bus->width = (enum e1000_bus_width)((pcie_link_status &
- PCI_EXP_LNKSTA_NLW) >>
- PCI_EXP_LNKSTA_NLW_SHIFT);
+ bus->width = (enum e1000_bus_width)FIELD_GET(PCI_EXP_LNKSTA_NLW,
+ pcie_link_status);
}

reg = rd32(E1000_STATUS);
--
2.30.2