mfd: htc-egpio: Use devm_ioremap_nocache() instead of ioremap_nocache()

Replace probe-time ioremap_nocache() call with devm_ioremap_nocache()
to avoid iounmap() missing and get rid of the corresponding iounmap()
call on remove.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index f2e0ad4b332e34764bdbfcae34713b0ef462013b..26aca545084b38bc6373b85998410bd28392b1f6 100644 (file)
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -286,7 +286,8 @@ static int __init egpio_probe(struct platform_device *pdev)
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!res)
                goto fail;
-       ei->base_addr = ioremap_nocache(res->start, resource_size(res));
+       ei->base_addr = devm_ioremap_nocache(&pdev->dev, res->start,
+                                            resource_size(res));
        if (!ei->base_addr)
                goto fail;
        pr_debug("EGPIO phys=%08x virt=%p\n", (u32)res->start, ei->base_addr);
@@ -380,7 +381,6 @@ static int __exit egpio_remove(struct platform_device *pdev)
                irq_set_chained_handler(ei->chained_irq, NULL);
                device_init_wakeup(&pdev->dev, 0);
        }
-       iounmap(ei->base_addr);
 
        return 0;
 }