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igb: Use FIELD_GET() to extract Link Width

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

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
This commit is contained in:
Ilpo Järvinen 2023-11-21 14:34:26 +02:00 committed by Tony Nguyen
parent 609c767f2c
commit 4f6011678d
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/intel/igb/e1000_mac.c
View file

@ -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);