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[PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of gpiochip_add_data

From Keerthy <j-keerthy@ti.com>
Newsgroups linux.kernel
Subject [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of gpiochip_add_data
Date 2017-07-18 13:00 +0200
Message-ID <u4yos-1lh-63@gated-at.bofh.it> (permalink)
References <u4yoq-1lh-25@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Use the devm version of gpiochip_add_data and pass on the
return value. Reset the static variables to 0 before returning.

Signed-off-by: Keerthy <j-keerthy@ti.com>
---
 drivers/gpio/gpio-davinci.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 65cb359..2c88054 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -166,7 +166,7 @@ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
 static int davinci_gpio_probe(struct platform_device *pdev)
 {
 	static int ctrl_num, bank_base;
-	int gpio, bank;
+	int gpio, bank, ret = 0;
 	unsigned ngpio, nbank;
 	struct davinci_gpio_controller *chips;
 	struct davinci_gpio_platform_data *pdata;
@@ -232,7 +232,13 @@ static int davinci_gpio_probe(struct platform_device *pdev)
 	for (gpio = 0, bank = 0; gpio < ngpio; gpio += 32, bank++)
 		chips->regs[bank] = gpio_base + offset_array[bank];
 
-	gpiochip_add_data(&chips->chip, chips);
+	ret = devm_gpiochip_add_data(dev, &chips->chip, chips);
+	if (ret) {
+		ctrl_num = 0;
+		bank_base = 0;
+		return ret;
+	}
+
 	platform_set_drvdata(pdev, chips);
 	davinci_gpio_irq_setup(pdev);
 	return 0;
-- 
1.9.1

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Thread

[PATCH 0/4] gpio: davinci: Add keystone-k2g support and few clean ups Keerthy <j-keerthy@ti.com> - 2017-07-18 13:00 +0200
  [PATCH 4/4] ARM: dts: keystone-k2g-evm: Add gpio nodes Keerthy <j-keerthy@ti.com> - 2017-07-18 13:00 +0200
    Re: [PATCH 4/4] ARM: dts: keystone-k2g-evm: Add gpio nodes Suman Anna <s-anna@ti.com> - 2017-07-18 21:20 +0200
      Re: [PATCH 4/4] ARM: dts: keystone-k2g-evm: Add gpio nodes Keerthy <j-keerthy@ti.com> - 2017-07-19 06:10 +0200
  [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of gpiochip_add_data Keerthy <j-keerthy@ti.com> - 2017-07-18 13:00 +0200
    Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of  gpiochip_add_data Suman Anna <s-anna@ti.com> - 2017-07-18 19:00 +0200
      Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of  gpiochip_add_data Keerthy <j-keerthy@ti.com> - 2017-07-18 19:50 +0200
    Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place  of gpiochip_add_data Johan Hovold <johan@kernel.org> - 2017-07-19 11:40 +0200
      Re: [PATCH 1/4] gpio: davinci: Use devm_gpiochip_add_data in place of  gpiochip_add_data Keerthy <j-keerthy@ti.com> - 2017-07-19 12:00 +0200
  [PATCH 2/4] gpio: davinci: Handle the return value of davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-18 13:00 +0200
    Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Suman Anna <s-anna@ti.com> - 2017-07-18 19:00 +0200
      Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-18 19:50 +0200
    Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Johan Hovold <johan@kernel.org> - 2017-07-19 13:20 +0200
      Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-20 08:50 +0200
        Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-20 11:20 +0200
          Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Johan Hovold <johan@kernel.org> - 2017-07-20 12:00 +0200
            Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-20 12:10 +0200
              Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Johan Hovold <johan@kernel.org> - 2017-07-20 12:10 +0200
                Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-20 12:20 +0200
                Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Grygorii Strashko <grygorii.strashko@ti.com> - 2017-07-20 23:40 +0200
                Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Keerthy <j-keerthy@ti.com> - 2017-07-21 06:00 +0200
                Re: [PATCH 2/4] gpio: davinci: Handle the return value of  davinci_gpio_irq_setup function Johan Hovold <johan@kernel.org> - 2017-07-21 09:50 +0200
  [PATCH 3/4] gpio: davinci: Add a separate compatible for keystone-k2g soc Keerthy <j-keerthy@ti.com> - 2017-07-18 13:10 +0200
    Re: [PATCH 3/4] gpio: davinci: Add a separate compatible for  keystone-k2g soc Sekhar Nori <nsekhar@ti.com> - 2017-07-18 13:40 +0200
      Re: [PATCH 3/4] gpio: davinci: Add a separate compatible for  keystone-k2g soc Keerthy <j-keerthy@ti.com> - 2017-07-18 19:50 +0200
    Re: [PATCH 3/4] gpio: davinci: Add a separate compatible for  keystone-k2g soc Rob Herring <robh@kernel.org> - 2017-07-24 20:30 +0200
      Re: [PATCH 3/4] gpio: davinci: Add a separate compatible for  keystone-k2g soc Keerthy <j-keerthy@ti.com> - 2017-07-25 05:30 +0200

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