* Re: [PATCH] pci-imx6: replacing legacy gpio interface for gpiod [not found] <YW7jvR/2jpAwSpvd@fedora> @ 2021-10-19 19:45 ` Bjorn Helgaas 2021-10-20 12:02 ` Maíra Canal 0 siblings, 1 reply; 2+ messages in thread From: Bjorn Helgaas @ 2021-10-19 19:45 UTC (permalink / raw) To: Maíra Canal Cc: hongxing.zhu, l.stach, lorenzo.pieralisi, robh, kw, bhelgaas, shawnguo, s.hauer, kernel, festevam, linux-imx, linux-pci, linux-arm-kernel, linux-kernel [fixed "linux-pci@vger.kernel.org" in cc] On Tue, Oct 19, 2021 at 12:26:53PM -0300, Maíra Canal wrote: > Removing all dependencies of linux/gpio.h and linux/of_gpio.h and replacing > it with linux/gpio/consumer.h Run "git log --oneline drivers/pci/controller/dwc/pci-imx6.c" and make your subject line match -- capitalization, sentence structure, etc. Write commit log in imperative mood, i.e., "Remove" instead of "Removing": https://chris.beams.io/posts/git-commit/ The commit log mentions the trivial part but omits the important part (converting from gpio to gpiod model). > Signed-off-by: Maíra Canal <maira.canal@usp.br> > --- > drivers/pci/controller/dwc/pci-imx6.c | 31 ++++++++++----------------- > 1 file changed, 11 insertions(+), 20 deletions(-) > > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > index 80fc98acf097..e5ee54e37d05 100644 > --- a/drivers/pci/controller/dwc/pci-imx6.c > +++ b/drivers/pci/controller/dwc/pci-imx6.c > @@ -11,13 +11,12 @@ > #include <linux/bitfield.h> > #include <linux/clk.h> > #include <linux/delay.h> > -#include <linux/gpio.h> > +#include <linux/gpio/consumer.h> > #include <linux/kernel.h> > #include <linux/mfd/syscon.h> > #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> > #include <linux/mfd/syscon/imx7-iomuxc-gpr.h> > #include <linux/module.h> > -#include <linux/of_gpio.h> > #include <linux/of_device.h> > #include <linux/of_address.h> > #include <linux/pci.h> > @@ -63,7 +62,7 @@ struct imx6_pcie_drvdata { > > struct imx6_pcie { > struct dw_pcie *pci; > - int reset_gpio; > + struct gpio_desc *reset_gpio; > bool gpio_active_high; > struct clk *pcie_bus; > struct clk *pcie_phy; > @@ -526,11 +525,11 @@ static void imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) > usleep_range(200, 500); > > /* Some boards don't have PCIe reset GPIO. */ > - if (gpio_is_valid(imx6_pcie->reset_gpio)) { > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > + if (imx6_pcie->reset_gpio) { > + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, > imx6_pcie->gpio_active_high); > msleep(100); > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, > !imx6_pcie->gpio_active_high); > } > > @@ -1025,22 +1024,14 @@ 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_gpio = devm_gpiod_get_optional(dev, "reset", > + imx6_pcie->gpio_active_high ? GPIOD_OUT_HIGH : > + GPIOD_OUT_LOW); > + if (IS_ERR(imx6_pcie->reset_gpio)) > + return dev_err_probe(dev, PTR_ERR(imx6_pcie->reset_gpio), > + "unable to get reset gpio\n"); > > /* Fetch clocks */ > imx6_pcie->pcie_phy = devm_clk_get(dev, "pcie_phy"); > -- > 2.31.1 > ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] pci-imx6: replacing legacy gpio interface for gpiod 2021-10-19 19:45 ` [PATCH] pci-imx6: replacing legacy gpio interface for gpiod Bjorn Helgaas @ 2021-10-20 12:02 ` Maíra Canal 0 siblings, 0 replies; 2+ messages in thread From: Maíra Canal @ 2021-10-20 12:02 UTC (permalink / raw) To: Bjorn Helgaas Cc: hongxing.zhu, l.stach, lorenzo.pieralisi, robh, kw, Bjorn Helgaas, shawnguo, s.hauer, kernel, festevam, linux-imx, linux-pci, linux-arm-kernel, linux-kernel I'm sorry about the commit log. I made an effort to do a better commit log on v2 and sent the new version on the mailing list. Thanks for reviewing the entry! Em ter., 19 de out. de 2021 às 16:45, Bjorn Helgaas <helgaas@kernel.org> escreveu: > > [fixed "linux-pci@vger.kernel.org" in cc] > > On Tue, Oct 19, 2021 at 12:26:53PM -0300, Maíra Canal wrote: > > Removing all dependencies of linux/gpio.h and linux/of_gpio.h and replacing > > it with linux/gpio/consumer.h > > Run "git log --oneline drivers/pci/controller/dwc/pci-imx6.c" and make > your subject line match -- capitalization, sentence structure, etc. > > Write commit log in imperative mood, i.e., "Remove" instead of > "Removing": https://chris.beams.io/posts/git-commit/ > > The commit log mentions the trivial part but omits the important part > (converting from gpio to gpiod model). > > > Signed-off-by: Maíra Canal <maira.canal@usp.br> > > --- > > drivers/pci/controller/dwc/pci-imx6.c | 31 ++++++++++----------------- > > 1 file changed, 11 insertions(+), 20 deletions(-) > > > > diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c > > index 80fc98acf097..e5ee54e37d05 100644 > > --- a/drivers/pci/controller/dwc/pci-imx6.c > > +++ b/drivers/pci/controller/dwc/pci-imx6.c > > @@ -11,13 +11,12 @@ > > #include <linux/bitfield.h> > > #include <linux/clk.h> > > #include <linux/delay.h> > > -#include <linux/gpio.h> > > +#include <linux/gpio/consumer.h> > > #include <linux/kernel.h> > > #include <linux/mfd/syscon.h> > > #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h> > > #include <linux/mfd/syscon/imx7-iomuxc-gpr.h> > > #include <linux/module.h> > > -#include <linux/of_gpio.h> > > #include <linux/of_device.h> > > #include <linux/of_address.h> > > #include <linux/pci.h> > > @@ -63,7 +62,7 @@ struct imx6_pcie_drvdata { > > > > struct imx6_pcie { > > struct dw_pcie *pci; > > - int reset_gpio; > > + struct gpio_desc *reset_gpio; > > bool gpio_active_high; > > struct clk *pcie_bus; > > struct clk *pcie_phy; > > @@ -526,11 +525,11 @@ static void imx6_pcie_deassert_core_reset(struct imx6_pcie *imx6_pcie) > > usleep_range(200, 500); > > > > /* Some boards don't have PCIe reset GPIO. */ > > - if (gpio_is_valid(imx6_pcie->reset_gpio)) { > > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > > + if (imx6_pcie->reset_gpio) { > > + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, > > imx6_pcie->gpio_active_high); > > msleep(100); > > - gpio_set_value_cansleep(imx6_pcie->reset_gpio, > > + gpiod_set_value_cansleep(imx6_pcie->reset_gpio, > > !imx6_pcie->gpio_active_high); > > } > > > > @@ -1025,22 +1024,14 @@ 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_gpio = devm_gpiod_get_optional(dev, "reset", > > + imx6_pcie->gpio_active_high ? GPIOD_OUT_HIGH : > > + GPIOD_OUT_LOW); > > + if (IS_ERR(imx6_pcie->reset_gpio)) > > + return dev_err_probe(dev, PTR_ERR(imx6_pcie->reset_gpio), > > + "unable to get reset gpio\n"); > > > > /* Fetch clocks */ > > imx6_pcie->pcie_phy = devm_clk_get(dev, "pcie_phy"); > > -- > > 2.31.1 > > ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] <YW7jvR/2jpAwSpvd@fedora>
2021-10-19 19:45 ` [PATCH] pci-imx6: replacing legacy gpio interface for gpiod Bjorn Helgaas
2021-10-20 12:02 ` Maíra Canal
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