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gpio: mxs: Unmap region obtained by of_iomap

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Free memory mapping, if mxs_gpio_probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Arvind Yadav 2016-10-05 15:08:36 +05:30 committed by Linus Walleij
parent 15e2a35787
commit 44df08198b
1 changed files with 6 additions and 2 deletions
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8
drivers/gpio/gpio-mxs.c
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@ -308,8 +308,10 @@ static int mxs_gpio_probe(struct platform_device *pdev)
writel(~0U, port->base + PINCTRL_IRQSTAT(port) + MXS_CLR);
irq_base = irq_alloc_descs(-1, 0, 32, numa_node_id());
if (irq_base < 0)
return irq_base;
if (irq_base < 0) {
err = irq_base;
goto out_iounmap;
}
port->domain = irq_domain_add_legacy(np, 32, irq_base, 0,
&irq_domain_simple_ops, NULL);
@ -349,6 +351,8 @@ out_irqdomain_remove:
irq_domain_remove(port->domain);
out_irqdesc_free:
irq_free_descs(irq_base, 32);
out_iounmap:
iounmap(port->base);
return err;
}