From: AlbertoArostegui <[email protected]> pxa168fb maps the LCD controller register resource with devm_ioremap(), which does not request the memory region. Use devm_ioremap_resource() instead so the MMIO range is claimed before being mapped.
This also handles cleanup automatically. Signed-off-by: AlbertoArostegui <[email protected]> --- drivers/video/fbdev/pxa168fb.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c index ec602f7776eb..6784888d93c9 100644 --- a/drivers/video/fbdev/pxa168fb.c +++ b/drivers/video/fbdev/pxa168fb.c @@ -653,10 +653,9 @@ static int pxa168fb_probe(struct platform_device *pdev) /* * Map LCD controller registers. */ - fbi->reg_base = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); - if (fbi->reg_base == NULL) { - ret = -ENOMEM; + fbi->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(fbi->reg_base)) { + ret = PTR_ERR(fbi->reg_base); goto failed_free_info; } -- 2.43.0
