From mboxrd@z Thu Jan 1 00:00:00 1970 From: rmk+kernel@armlinux.org.uk (Russell King) Date: Fri, 29 Sep 2017 11:51:07 +0100 Subject: [PATCH 3/8] video: sa1100fb: use devm_ioremap_resource() In-Reply-To: <20170929105004.GY20805@n2100.armlinux.org.uk> References: <20170929105004.GY20805@n2100.armlinux.org.uk> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Use devm_ioremap_resource() to map the LCD controller memory region, and remove the unnecessary cleanup for this. Signed-off-by: Russell King --- drivers/video/fbdev/sa1100fb.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-) diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c index 1562d7607dd2..ab83970dbfd9 100644 --- a/drivers/video/fbdev/sa1100fb.c +++ b/drivers/video/fbdev/sa1100fb.c @@ -1217,29 +1217,28 @@ static int sa1100fb_probe(struct platform_device *pdev) return -EINVAL; } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (irq < 0 || !res) + if (irq < 0) return -EINVAL; - if (!request_mem_region(res->start, resource_size(res), "LCD")) - return -EBUSY; - fbi = sa1100fb_init_fbinfo(&pdev->dev); ret = -ENOMEM; if (!fbi) goto failed; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + fbi->base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(fbi->base)) { + ret = PTR_ERR(fbi->base); + goto failed; + } + fbi->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(fbi->clk)) { ret = PTR_ERR(fbi->clk); goto failed; } - fbi->base = ioremap(res->start, resource_size(res)); - if (!fbi->base) - goto failed; - /* Initialize video memory */ ret = sa1100fb_map_video_memory(fbi); if (ret) @@ -1286,9 +1285,6 @@ static int sa1100fb_probe(struct platform_device *pdev) err_free_irq: free_irq(irq, fbi); failed: - if (fbi) - iounmap(fbi->base); - release_mem_region(res->start, resource_size(res)); return ret; } -- 2.7.4