From 86e281fcdc6f8b23ce707488d0dd8af745866fe8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ilpo=20J=C3=A4rvinen?= Date: Wed, 13 Sep 2023 15:27:40 +0300 Subject: [PATCH] media: cobalt: Use FIELD_GET() to extract Link Width MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [ Upstream commit f301fedbeecfdce91cb898d6fa5e62f269801fee ] Use FIELD_GET() to extract PCIe Negotiated and Maximum Link Width fields instead of custom masking and shifting. Signed-off-by: Ilpo Järvinen Reviewed-by: Jonathan Cameron Signed-off-by: Hans Verkuil Signed-off-by: Sasha Levin --- drivers/media/pci/cobalt/cobalt-driver.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/drivers/media/pci/cobalt/cobalt-driver.c b/drivers/media/pci/cobalt/cobalt-driver.c index 74edcc76d12f..6e1a0614e6d0 100644 --- a/drivers/media/pci/cobalt/cobalt-driver.c +++ b/drivers/media/pci/cobalt/cobalt-driver.c @@ -8,6 +8,7 @@ * All rights reserved. */ +#include #include #include #include @@ -210,17 +211,17 @@ void cobalt_pcie_status_show(struct cobalt *cobalt) pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &stat); cobalt_info("PCIe link capability 0x%08x: %s per lane and %u lanes\n", capa, get_link_speed(capa), - (capa & PCI_EXP_LNKCAP_MLW) >> 4); + FIELD_GET(PCI_EXP_LNKCAP_MLW, capa)); cobalt_info("PCIe link control 0x%04x\n", ctrl); cobalt_info("PCIe link status 0x%04x: %s per lane and %u lanes\n", stat, get_link_speed(stat), - (stat & PCI_EXP_LNKSTA_NLW) >> 4); + FIELD_GET(PCI_EXP_LNKSTA_NLW, stat)); /* Bus */ pcie_capability_read_dword(pci_bus_dev, PCI_EXP_LNKCAP, &capa); cobalt_info("PCIe bus link capability 0x%08x: %s per lane and %u lanes\n", capa, get_link_speed(capa), - (capa & PCI_EXP_LNKCAP_MLW) >> 4); + FIELD_GET(PCI_EXP_LNKCAP_MLW, capa)); /* Slot */ pcie_capability_read_dword(pci_dev, PCI_EXP_SLTCAP, &capa); @@ -239,7 +240,7 @@ static unsigned pcie_link_get_lanes(struct cobalt *cobalt) if (!pci_is_pcie(pci_dev)) return 0; pcie_capability_read_word(pci_dev, PCI_EXP_LNKSTA, &link); - return (link & PCI_EXP_LNKSTA_NLW) >> 4; + return FIELD_GET(PCI_EXP_LNKSTA_NLW, link); } static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt) @@ -250,7 +251,7 @@ static unsigned pcie_bus_link_get_lanes(struct cobalt *cobalt) if (!pci_is_pcie(pci_dev)) return 0; pcie_capability_read_dword(pci_dev, PCI_EXP_LNKCAP, &link); - return (link & PCI_EXP_LNKCAP_MLW) >> 4; + return FIELD_GET(PCI_EXP_LNKCAP_MLW, link); } static void msi_config_show(struct cobalt *cobalt, struct pci_dev *pci_dev)