[PATCH] fbdev: imxfb: Convert to devm_platform_ioremap_resource()
Yangtao Li
frank.li at vivo.com
Mon Jul 10 00:25:22 PDT 2023
Hi Geert,
On 2023/7/10 15:10, Geert Uytterhoeven wrote:
> [你通常不会收到来自 geert at linux-m68k.org 的电子邮件。请访问 https://aka.ms/LearnAboutSenderIdentification,以了解这一点为什么很重要]
>
> Hi Yangtao,
>
> On Tue, Jul 4, 2023 at 11:38 AM Yangtao Li <frank.li at vivo.com> wrote:
>> Use devm_platform_ioremap_resource() to simplify code.
>>
>> Signed-off-by: Yangtao Li <frank.li at vivo.com>
> Thanks for your patch, which is now commit c1cd7a7a231a26c6 ("fbdev:
> imxfb: Convert to devm_platform_ioremap_resource()") in fbdev/for-next
>
>> --- a/drivers/video/fbdev/imxfb.c
>> +++ b/drivers/video/fbdev/imxfb.c
>> @@ -868,7 +868,6 @@ static int imxfb_probe(struct platform_device *pdev)
>> struct imxfb_info *fbi;
>> struct lcd_device *lcd;
>> struct fb_info *info;
>> - struct resource *res;
>> struct imx_fb_videomode *m;
>> const struct of_device_id *of_id;
>> struct device_node *display_np;
>> @@ -885,10 +884,6 @@ static int imxfb_probe(struct platform_device *pdev)
>> if (of_id)
>> pdev->id_entry = of_id->data;
>>
>> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> - if (!res)
>> - return -ENODEV;
>> -
>> info = framebuffer_alloc(sizeof(struct imxfb_info), &pdev->dev);
>> if (!info)
>> return -ENOMEM;
>> @@ -970,7 +965,7 @@ static int imxfb_probe(struct platform_device *pdev)
>> goto failed_getclock;
>> }
>>
>> - fbi->regs = devm_ioremap_resource(&pdev->dev, res);
>> + fbi->regs = devm_platform_ioremap_resource(pdev, 0);
>> if (IS_ERR(fbi->regs)) {
>> ret = PTR_ERR(fbi->regs);
>> goto failed_ioremap;
>> @@ -1043,7 +1038,6 @@ static int imxfb_probe(struct platform_device *pdev)
>> failed_map:
>> failed_ioremap:
>> failed_getclock:
>> - release_mem_region(res->start, resource_size(res));
> This part is not directly related, but a bug fix for commit
> b083c22d51148f3d ("video: fbdev: imxfb: Convert request_mem_region +
> ioremap to devm_ioremap_resource") in v6.0.
IIUC, split this patch into two, remove release_mem_region in one and
mark it as Fixes: b083c22d51148f3d ("video: fbdev: imxfb: Convert
request_mem_region +
ioremap to devm_ioremap_resource")?
MBR,
Yangtao
>
> Please do not mix bug fixes with other changes.
> The stable teams want to backport only bugfixes .
>
>> failed_of_parse:
>> kfree(info->pseudo_palette);
>> failed_init:
>> --
>> 2.39.0
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> -- Linus Torvalds
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