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Sat, 18 Jan 2025 21:44:41 -0800 (PST) Date: Sun, 19 Jan 2025 11:14:38 +0530 From: Manivannan Sadhasivam To: Bjorn Helgaas Cc: Jingoo Han , Frank Li , Rob Herring , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, Bjorn Helgaas Subject: Re: [PATCH] PCI: dwc: Simplify config resource lookup Message-ID: <20250119054438.r64thnipdvmlxn3p@thinkpad> References: <20250117235119.712043-1-helgaas@kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20250117235119.712043-1-helgaas@kernel.org> On Fri, Jan 17, 2025 at 05:51:19PM -0600, Bjorn Helgaas wrote: > From: Bjorn Helgaas > > If platform_get_resource_byname("config") fails, return error immediately > and unindent the normal path. No functional change intended. > > Signed-off-by: Bjorn Helgaas Reviewed-by: Manivannan Sadhasivam One nit below. > --- > .../pci/controller/dwc/pcie-designware-host.c | 16 ++++++++-------- > 1 file changed, 8 insertions(+), 8 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c > index e42a74108f0f..3fca55751dca 100644 > --- a/drivers/pci/controller/dwc/pcie-designware-host.c > +++ b/drivers/pci/controller/dwc/pcie-designware-host.c > @@ -436,18 +436,18 @@ int dw_pcie_host_init(struct dw_pcie_rp *pp) > return ret; > > res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "config"); > - if (res) { > - pp->cfg0_size = resource_size(res); > - pp->cfg0_base = res->start; > - > - pp->va_cfg0_base = devm_pci_remap_cfg_resource(dev, res); > - if (IS_ERR(pp->va_cfg0_base)) > - return PTR_ERR(pp->va_cfg0_base); > - } else { > + if (!res) { > dev_err(dev, "Missing *config* reg space\n"); nit: How about: "Missing \"config\" reg space"? - Mani -- மணிவண்ணன் சதாசிவம்