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Groups > linux.kernel > #1341987
| From | Laxman Dewangan <ldewangan@nvidia.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 01/50] pinctrl: Add devm_ apis for pinctrl_{register, unregister} |
| Date | 2016-02-24 14:40 +0100 |
| Message-ID | <r5HPC-5eb-39@gated-at.bofh.it> (permalink) |
| References | <r5HFV-59T-43@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Add device managed APIs devm_pinctrl_register() and
devm_pinctrl_unregister() for the APIs pinctrl_register()
and pinctrl_unregister().
This helps in reducing code in error path and sometimes
removal of .remove callback for driver unbind.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
---
drivers/pinctrl/core.c | 69 +++++++++++++++++++++++++++++++++++++++++
include/linux/pinctrl/pinctrl.h | 6 ++++
2 files changed, 75 insertions(+)
diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 2686a44..ea4a7e6 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -1861,6 +1861,75 @@ void pinctrl_unregister(struct pinctrl_dev *pctldev)
}
EXPORT_SYMBOL_GPL(pinctrl_unregister);
+static void devm_pinctrl_dev_release(struct device *dev, void *res)
+{
+ struct pinctrl_dev *pctldev = *(struct pinctrl_dev **)res;
+
+ pinctrl_unregister(pctldev);
+}
+
+static int devm_pinctrl_dev_match(struct device *dev, void *res, void *data)
+{
+ struct pctldev **r = res;
+
+ if (!r || !*r) {
+ WARN_ON(!r || !*r);
+ return 0;
+ }
+
+ return *r == data;
+}
+
+/**
+ * devm_pinctrl_register() - Resource manager pinctrl_register()
+ * @dev: parent device for this pin controller
+ * @pctldesc: descriptor for this pin controller
+ * @driver_data: private pin controller data for this pin controller
+ *
+ * Returns an error pointer if pincontrol register failed. Otherwise
+ * it returns valid pinctrl handle.
+ *
+ * The pinctrl device will be automatically released when the device is unbound.
+ */
+struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
+ struct pinctrl_desc *pctldesc,
+ void *driver_data)
+{
+ struct pinctrl_dev **ptr, *pctldev;
+
+ ptr = devres_alloc(devm_pinctrl_dev_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ pctldev = pinctrl_register(pctldesc, dev, driver_data);
+ if (IS_ERR(pctldev)) {
+ devres_free(ptr);
+ return pctldev;
+ }
+
+ *ptr = pctldev;
+ devres_add(dev, ptr);
+
+ return pctldev;
+}
+EXPORT_SYMBOL_GPL(devm_pinctrl_register);
+
+/**
+ * devm_pinctrl_unregister() - Resource manager of pinctrl_unregister()
+ * @dev: device for which which resource was allocated
+ * @pctldev: the pinctrl device to unregister.
+ */
+void devm_pinctrl_unregister(struct device *dev, struct pinctrl_dev *pctldev)
+{
+ int ret;
+
+ ret = devres_release(dev, devm_pinctrl_dev_release,
+ devm_pinctrl_dev_match, pctldev);
+ if (!ret)
+ WARN_ON(ret);
+}
+EXPORT_SYMBOL_GPL(devm_pinctrl_unregister);
+
static int __init pinctrl_init(void)
{
pr_info("initialized pinctrl subsystem\n");
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 9ba59fc..a42e57d 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -144,6 +144,12 @@ struct pinctrl_desc {
extern struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
struct device *dev, void *driver_data);
extern void pinctrl_unregister(struct pinctrl_dev *pctldev);
+extern struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
+ struct pinctrl_desc *pctldesc,
+ void *driver_data);
+extern void devm_pinctrl_unregister(struct device *dev,
+ struct pinctrl_dev *pctldev);
+
extern bool pin_is_valid(struct pinctrl_dev *pctldev, int pin);
extern void pinctrl_add_gpio_range(struct pinctrl_dev *pctldev,
struct pinctrl_gpio_range *range);
--
2.1.4
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[PATCH 00/50] pinctrl: Add and use devm_ apis for pinctrl_{register, unregister} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:30 +0100
[PATCH 15/50] pinctrl: mvebu: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 15/50] pinctrl: mvebu: Use devm_pinctrl_register() for pinctrl registration Thomas Petazzoni <thomas.petazzoni@free-electrons.com> - 2016-02-24 15:10 +0100
Re: [PATCH 15/50] pinctrl: mvebu: Use devm_pinctrl_register() for pinctrl registration kbuild test robot <lkp@intel.com> - 2016-02-24 19:40 +0100
[PATCH 10/50] pinctrl: imxl: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 37/50] pinctrl: at91: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 49/50] pinctrl: u300: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 33/50] pinctrl: adi2: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 24/50] pinctrl: samsung: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 34/50] pinctrl: amd: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 31/50] pinctrl: uniphier: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 31/50] pinctrl: uniphier: Use devm_pinctrl_register() for pinctrl registration Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-02-26 11:10 +0100
[PATCH 03/50] pinctrl: bcm281xx: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 03/50] pinctrl: bcm281xx: Use devm_pinctrl_register() for pinctrl registration Ray Jui <ray.jui@broadcom.com> - 2016-02-24 19:30 +0100
[PATCH 45/50] pinctrl: st: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 45/50] pinctrl: st: Use devm_pinctrl_register() for pinctrl registration Maxime Coquelin <maxime.coquelin@st.com> - 2016-02-24 17:20 +0100
[PATCH 47/50] pinctrl: tz1090-pdc: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 01/50] pinctrl: Add devm_ apis for pinctrl_{register, unregister} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 01/50] pinctrl: Add devm_ apis for pinctrl_{register, unregister} Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-02-24 19:30 +0100
Re: [PATCH 01/50] pinctrl: Add devm_ apis for pinctrl_{register, unregister} Philipp Zabel <p.zabel@pengutronix.de> - 2016-02-25 15:50 +0100
[PATCH 30/50] pinctrl: tegra-xusb: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 30/50] pinctrl: tegra-xusb: Use devm_pinctrl_register() for pinctrl registration Stephen Warren <swarren@wwwdotorg.org> - 2016-02-24 17:50 +0100
[PATCH 29/50] pinctrl: tegra: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 29/50] pinctrl: tegra: Use devm_pinctrl_register() for pinctrl registration Stephen Warren <swarren@wwwdotorg.org> - 2016-02-24 17:50 +0100
[PATCH 32/50] pinctrl: vt8500: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 43/50] pinctrl: pistachio: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 35/50] pinctrl: as3722: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 05/50] pinctrl: cygnus-mux: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 05/50] pinctrl: cygnus-mux: Use devm_pinctrl_register() for pinctrl registration Ray Jui <ray.jui@broadcom.com> - 2016-02-24 19:30 +0100
[PATCH 42/50] pinctrl: pic32: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 42/50] pinctrl: pic32: Use devm_pinctrl_register() for pinctrl registration Joshua Henderson <joshua.henderson@microchip.com> - 2016-02-25 21:40 +0100
[PATCH 46/50] pinctrl: tb10x: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 19/50] pinctrl: ssbi-gpi: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 19/50] pinctrl: ssbi-gpi: Use devm_pinctrl_register() for pinctrl registration Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-02-24 19:10 +0100
[PATCH 07/50] pinctrl: nsp-gpio: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 44/50] pinctrl: rockchip: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 44/50] pinctrl: rockchip: Use devm_pinctrl_register() for pinctrl registration Heiko Stübner <heiko@sntech.de> - 2016-03-02 22:50 +0100
[PATCH 17/50] pinctrl: spmi-gpio: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 17/50] pinctrl: spmi-gpio: Use devm_pinctrl_register() for pinctrl registration Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-02-24 19:10 +0100
[PATCH 18/50] pinctrl: spmi: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 18/50] pinctrl: spmi: Use devm_pinctrl_register() for pinctrl registration Bjorn Andersson <bjorn.andersson@linaro.org> - 2016-02-24 19:10 +0100
[PATCH 12/50] pinctrl: intel: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 12/50] pinctrl: intel: Use devm_pinctrl_register() for pinctrl registration Heikki Krogerus <heikki.krogerus@linux.intel.com> - 2016-02-25 12:50 +0100
[PATCH 36/50] pinctrl: at91-pio4: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 38/50] pinctrl: digicolor: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 38/50] pinctrl: digicolor: Use devm_pinctrl_register() for pinctrl registration Baruch Siach <baruch@tkos.co.il> - 2016-02-24 14:50 +0100
[PATCH 50/50] pinctrl: zynq: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 50/50] pinctrl: zynq: Use devm_pinctrl_register() for pinctrl registration Sören Brinkmann <soren.brinkmann@xilinx.com> - 2016-02-26 04:50 +0100
[PATCH 48/50] pinctrl: tz1090 Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 41/50] pinctrl: palmas: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 28/50] pinctrl: ssbi-mpp: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 28/50] pinctrl: ssbi-mpp: Use devm_pinctrl_register() for pinctrl registration Maxime Ripard <maxime.ripard@free-electrons.com> - 2016-02-24 19:10 +0100
[PATCH 13/50] pinctrl: mtk-common: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 13/50] pinctrl: mtk-common: Use devm_pinctrl_register() for pinctrl registration Matthias Brugger <matthias.bgg@gmail.com> - 2016-02-24 14:40 +0100
Re: [PATCH 13/50] pinctrl: mtk-common: Use devm_pinctrl_register() for pinctrl registration Hongzhou Yang <hongzhou.yang@mediatek.com> - 2016-02-24 21:40 +0100
[PATCH 40/50] pinctrl: lpc18xx: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 40/50] pinctrl: lpc18xx: Use devm_pinctrl_register() for pinctrl registration Joachim Eastwood <manabian@gmail.com> - 2016-02-24 16:10 +0100
[PATCH 21/50] pinctrl: msm: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 14/50] pinctrl: meson: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 14/50] pinctrl: meson: Use devm_pinctrl_register() for pinctrl registration Carlo Caione <carlo@caione.org> - 2016-02-26 22:00 +0100
[PATCH 22/50] pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 22/50] pinctrl: pxa: Use devm_pinctrl_register() for pinctrl registration Robert Jarzmik <robert.jarzmik@free.fr> - 2016-02-26 23:30 +0100
[PATCH 16/50] pinctrl: nomadic: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 09/50] pinctrl: imx: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 09/50] pinctrl: imx: Use devm_pinctrl_register() for pinctrl registration Philipp Zabel <p.zabel@pengutronix.de> - 2016-02-25 15:50 +0100
Re: [PATCH 09/50] pinctrl: imx: Use devm_pinctrl_register() for pinctrl registration Shawn Guo <shawnguo@kernel.org> - 2016-02-29 04:10 +0100
[PATCH 06/50] pinctrl: iproc-gpio: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
[PATCH 39/50] pinctrl: lantiq: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:40 +0100
Re: [PATCH 39/50] pinctrl: lantiq: Use devm_pinctrl_register() for pinctrl registration John Crispin <blogic@openwrt.org> - 2016-02-25 15:30 +0100
[PATCH 11/50] pinctrl: cherryview: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 11/50] pinctrl: cherryview: Use devm_pinctrl_register() for pinctrl registration Heikki Krogerus <heikki.krogerus@linux.intel.com> - 2016-02-25 12:50 +0100
[PATCH 26/50] pinctrl: spear: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 26/50] pinctrl: spear: Use devm_pinctrl_register() for pinctrl registration Viresh Kumar <viresh.kumar@linaro.org> - 2016-02-25 03:20 +0100
[PATCH 23/50] pinctrl: exynos5440: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
[PATCH 27/50] pinctrl: stm32: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 27/50] pinctrl: stm32: Use devm_pinctrl_register() for pinctrl registration Maxime Coquelin <mcoquelin.stm32@gmail.com> - 2016-02-25 15:10 +0100
[PATCH 08/50] pinctrl: berlin: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 08/50] pinctrl: berlin: Use devm_pinctrl_register() for pinctrl registration Antoine Ténart <antoine.tenart@free-electrons.com> - 2016-02-24 18:40 +0100
[PATCH 04/50] pinctrl: bcm2835: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 04/50] pinctrl: bcm2835: Use devm_pinctrl_register() for pinctrl registration Ray Jui <ray.jui@broadcom.com> - 2016-02-24 19:30 +0100
[PATCH 25/50] pinctrl: ish-pfc: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
Re: [PATCH 25/50] pinctrl: ish-pfc: Use devm_pinctrl_register() for pinctrl registration Geert Uytterhoeven <geert@linux-m68k.org> - 2016-02-24 15:00 +0100
[PATCH 20/50] pinctrl: ssbi-mpp: Use devm_pinctrl_register() for pinctrl registration Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 14:50 +0100
[PATCH 02/50] pinctrl: Add resource management devm_pinctrl_{register, unregister} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 15:00 +0100
Re: [PATCH 00/50] pinctrl: Add and use devm_ apis for pinctrl_{register, unregister} Stefan Wahren <stefan.wahren@i2se.com> - 2016-02-24 18:30 +0100
Re: [PATCH 00/50] pinctrl: Add and use devm_ apis for pinctrl_{register, unregister} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-24 18:30 +0100
Re: [PATCH 00/50] pinctrl: Add and use devm_ apis for pinctrl_{register, unregister} Linus Walleij <linus.walleij@linaro.org> - 2016-02-25 15:20 +0100
Re: [PATCH 00/50] pinctrl: Add and use devm_ apis for pinctrl_{register, unregister} Laxman Dewangan <ldewangan@nvidia.com> - 2016-02-28 16:00 +0100
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