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gpio: tb10x: Use devm_gpiochip_add_data() for gpio registration

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Use devm_gpiochip_add_data() for GPIO registration and clean the
error path.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
This commit is contained in:
Laxman Dewangan 2016-02-22 17:43:28 +05:30
parent 94c683ab8d
commit ad7b550ad7
1 changed files with 6 additions and 16 deletions
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22
drivers/gpio/gpio-tb10x.c
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@ -205,10 +205,10 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
tb10x_gpio->gc.can_sleep = false;
ret = gpiochip_add_data(&tb10x_gpio->gc, tb10x_gpio);
ret = devm_gpiochip_add_data(&pdev->dev, &tb10x_gpio->gc, tb10x_gpio);
if (ret < 0) {
dev_err(&pdev->dev, "Could not add gpiochip.\n");
goto fail_gpiochip_registration;
return ret;
}
platform_set_drvdata(pdev, tb10x_gpio);
@ -219,7 +219,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
ret = platform_get_irq(pdev, 0);
if (ret < 0) {
dev_err(&pdev->dev, "No interrupt specified.\n");
goto fail_get_irq;
return ret;
}
tb10x_gpio->gc.to_irq = tb10x_gpio_to_irq;
@ -229,14 +229,13 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
IRQF_TRIGGER_NONE | IRQF_SHARED,
dev_name(&pdev->dev), tb10x_gpio);
if (ret != 0)
goto fail_request_irq;
return ret;
tb10x_gpio->domain = irq_domain_add_linear(dn,
tb10x_gpio->gc.ngpio,
&irq_generic_chip_ops, NULL);
if (!tb10x_gpio->domain) {
ret = -ENOMEM;
goto fail_irq_domain;
return -ENOMEM;
}
ret = irq_alloc_domain_generic_chips(tb10x_gpio->domain,
@ -244,7 +243,7 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
handle_edge_irq, IRQ_NOREQUEST, IRQ_NOPROBE,
IRQ_GC_INIT_MASK_CACHE);
if (ret)
goto fail_irq_domain;
return ret;
gc = tb10x_gpio->domain->gc->gc[0];
gc->reg_base = tb10x_gpio->base;
@ -258,14 +257,6 @@ static int tb10x_gpio_probe(struct platform_device *pdev)
}
return 0;
fail_irq_domain:
fail_request_irq:
fail_get_irq:
gpiochip_remove(&tb10x_gpio->gc);
fail_gpiochip_registration:
fail_ioremap:
return ret;
}
static int tb10x_gpio_remove(struct platform_device *pdev)
@ -278,7 +269,6 @@ static int tb10x_gpio_remove(struct platform_device *pdev)
kfree(tb10x_gpio->domain->gc);
irq_domain_remove(tb10x_gpio->domain);
}
gpiochip_remove(&tb10x_gpio->gc);
return 0;
}