[PATCH v3 3/8] igb: Use FIELD_GET() to extract Link Width
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From: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Date: 2023-09-19 12:57:26
Also in:
intel-wired-lan, linux-pci, lkml
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v3 of 2 in this series; 1 review trailer.
Revisions (2)
- v2 [diff vs current]
- v3 current
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 <redacted> --- 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