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AJvYcCWpwjl4yWuTk2JiHuM7QwlFXc0SKO7dThYncIgiodZnRTyRuiGhdzMPj1PSC2PZbPFCtTfo+RZxCTt6ZeBc1zOabbLh X-Gm-Message-State: AOJu0YzU9EAIv80D81nY5Cd13WC0MFZopx68dZBPEDia9LoN4P/kQ5nv 0dTfvATL2N602cqUD3x2watVjgVt/ROk4/RF4zE5jlBw/0GYo12qhmLJ65YSPg== X-Google-Smtp-Source: AGHT+IHUmT02EuAP4GA34txQXaVB3I9YqYCabXLgvXGRga6DshOVeDQbPJbpV0gl5wTwZcs3Pq2Smg== X-Received: by 2002:a17:903:240a:b0:1e9:6609:37d4 with SMTP id e10-20020a170903240a00b001e9660937d4mr6065899plo.9.1714200222300; Fri, 26 Apr 2024 23:43:42 -0700 (PDT) Received: from thinkpad ([120.60.53.237]) by smtp.gmail.com with ESMTPSA id b21-20020a170902d89500b001e44578dccasm16507119plz.254.2024.04.26.23.43.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Apr 2024 23:43:41 -0700 (PDT) Date: Sat, 27 Apr 2024 12:13:29 +0530 From: Manivannan Sadhasivam To: Andy Shevchenko Cc: Frank Li , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , linux-omap@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-amlogic@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, Vignesh Raghavendra , Siddharth Vadapalli , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Rob Herring , Bjorn Helgaas , Richard Zhu , Lucas Stach , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Yue Wang , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Xiaowei Song , Binghui Wang , Thierry Reding , Jonathan Hunter , Thomas Petazzoni , Pali =?iso-8859-1?Q?Roh=E1r?= Subject: Re: [PATCH v2 3/4] PCI: imx6: Convert to agnostic GPIO API Message-ID: <20240427064329.GB1981@thinkpad> References: <20240423172208.2723892-1-andriy.shevchenko@linux.intel.com> <20240423172208.2723892-4-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev 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: <20240423172208.2723892-4-andriy.shevchenko@linux.intel.com> On Tue, Apr 23, 2024 at 08:19:06PM +0300, Andy Shevchenko wrote: > The of_gpio.h is going to be removed. In preparation of that convert > the driver to the agnostic API. > > Signed-off-by: Andy Shevchenko Reviewed-by: Manivannan Sadhasivam - Mani > --- > drivers/pci/controller/dwc/pci-imx6.c | 37 ++++++++++----------------- > 1 file changed, 14 insertions(+), 23 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > index 917c69edee1d..d620f1e1a43c 100644 > --- a/drivers/pci/controller/dwc/pci-imx6.c > +++ b/drivers/pci/controller/dwc/pci-imx6.c > @@ -11,14 +11,13 @@ > #include > #include > #include > -#include > +#include > #include > #include > #include > #include > #include > #include > -#include > #include > #include > #include > @@ -107,7 +106,7 @@ struct imx6_pcie_drvdata { > > struct imx6_pcie { > struct dw_pcie *pci; > - int reset_gpio; > + struct gpio_desc *reset_gpiod; > bool gpio_active_high; > bool link_is_up; > struct clk_bulk_data clks[IMX6_PCIE_MAX_CLKS]; > @@ -721,9 +720,8 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) > } > > /* Some boards don't have PCIe reset GPIO. */ > - if (gpio_is_valid(imx6_pcie->reset_gpio)) > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > - imx6_pcie->gpio_active_high); > + gpiod_set_raw_value_cansleep(imx6_pcie->reset_gpiod, > + imx6_pcie->gpio_active_high); > } > > static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) > @@ -771,10 +769,10 @@ static int imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) > } > > /* Some boards don't have PCIe reset GPIO. */ > - if (gpio_is_valid(imx6_pcie->reset_gpio)) { > + if (imx6_pcie->reset_gpiod) { > msleep(100); > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > - !imx6_pcie->gpio_active_high); > + gpiod_set_raw_value_cansleep(imx6_pcie->reset_gpiod, > + !imx6_pcie->gpio_active_high); > /* Wait for 100ms after PERST# deassertion (PCIe r5.0, 6.6.1) */ > msleep(100); > } > @@ -1285,22 +1283,15 @@ static int imx6_pcie_probe(struct platform_device *pdev) > return PTR_ERR(pci->dbi_base); > > /* Fetch GPIOs */ > - imx6_pcie->reset_gpio = of_get_named_gpio(node, "reset-gpio", 0); > imx6_pcie->gpio_active_high = of_property_read_bool(node, > "reset-gpio-active-high"); > - if (gpio_is_valid(imx6_pcie->reset_gpio)) { > - ret = devm_gpio_request_one(dev, imx6_pcie->reset_gpio, > - imx6_pcie->gpio_active_high ? > - GPIOF_OUT_INIT_HIGH : > - GPIOF_OUT_INIT_LOW, > - "PCIe reset"); > - if (ret) { > - dev_err(dev, "unable to get reset gpio\n"); > - return ret; > - } > - } else if (imx6_pcie->reset_gpio == -EPROBE_DEFER) { > - return imx6_pcie->reset_gpio; > - } > + imx6_pcie->reset_gpiod = > + devm_gpiod_get_optional(dev, "reset", > + imx6_pcie->gpio_active_high ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW); > + if (IS_ERR(imx6_pcie->reset_gpiod)) > + return dev_err_probe(dev, PTR_ERR(imx6_pcie->reset_gpiod), > + "unable to get reset gpio\n"); > + gpiod_set_consumer_name(imx6_pcie->reset_gpiod, "PCIe reset"); > > if (imx6_pcie->drvdata->clks_cnt >= IMX6_PCIE_MAX_CLKS) > return dev_err_probe(dev, -ENOMEM, "clks_cnt is too big\n"); > -- > 2.43.0.rc1.1336.g36b5255a03ac > > -- மணிவண்ணன் சதாசிவம்