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[149.14.88.26]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4290580cb80sm18544835e9.45.2024.08.07.01.30.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Aug 2024 01:30:49 -0700 (PDT) From: Philipp Stanner To: Dave Airlie , Thomas Zimmermann , Jocelyn Falempe , Maarten Lankhorst , Maxime Ripard , David Airlie , Daniel Vetter , Bjorn Helgaas Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Philipp Stanner Subject: [PATCH 2/2] drm/ast: Request PCI BAR with devres Date: Wed, 7 Aug 2024 10:30:20 +0200 Message-ID: <20240807083018.8734-4-pstanner@redhat.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240807083018.8734-2-pstanner@redhat.com> References: <20240807083018.8734-2-pstanner@redhat.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 ast currently ioremaps two PCI BARs using pcim_iomap(). It does not perform a request on the regions, however, which would make the driver a bit more robust. PCI now offers pcim_iomap_region(), a managed function which both requests and ioremaps a BAR. Replace pcim_iomap() with pcim_iomap_region(). Suggested-by: Thomas Zimmermann Signed-off-by: Philipp Stanner Reviewed-by: Thomas Zimmermann --- drivers/gpu/drm/ast/ast_drv.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index aae019e79bda..1fadaadfbe39 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -287,9 +287,9 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ret) return ret; - regs = pcim_iomap(pdev, 1, 0); - if (!regs) - return -EIO; + regs = pcim_iomap_region(pdev, 1, "ast"); + if (IS_ERR(regs)) + return PTR_ERR(regs); if (pdev->revision >= 0x40) { /* @@ -311,9 +311,9 @@ static int ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (len < AST_IO_MM_LENGTH) return -EIO; - ioregs = pcim_iomap(pdev, 2, 0); - if (!ioregs) - return -EIO; + ioregs = pcim_iomap_region(pdev, 2, "ast"); + if (IS_ERR(ioregs)) + return PTR_ERR(ioregs); } else { /* * Anything else is best effort.