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SubjectRe: [PATCH 09/24] mmc: mtk-sd: check for valid optional memory resource
On Sun, Mar 24, 2019 at 4:34 AM Yingjoe Chen <yingjoe.chen@mediatek.com> wrote:
>
> On Sat, 2019-03-23 at 22:15 +0100, Fabien Parent wrote:
> > 'top_base' memory region is optional. Check that the resource is valid
> > before using it. This avoid getting a "invalid resource" error message
> > printed by the kernel.
> >
> > Signed-off-by: Fabien Parent <fparent@baylibre.com>
> > ---
> > drivers/mmc/host/mtk-sd.c | 8 +++++---
> > 1 file changed, 5 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> > index 833ef0590af8..573aa127d00b 100644
> > --- a/drivers/mmc/host/mtk-sd.c
> > +++ b/drivers/mmc/host/mtk-sd.c
> > @@ -2123,9 +2123,11 @@ static int msdc_drv_probe(struct platform_device *pdev)
> > }
> >
> > res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
> > - host->top_base = devm_ioremap_resource(&pdev->dev, res);
> > - if (IS_ERR(host->top_base))
> > - host->top_base = NULL;
> > + if (ret) {
>
> This should be res?

Indeed. Thanks, I will fix it in v2.

> > + host->top_base = devm_ioremap_resource(&pdev->dev, res);
> > + if (IS_ERR(host->top_base))
> > + host->top_base = NULL;
> > + }
> >
> > ret = mmc_regulator_get_supply(mmc);
> > if (ret)
>
>

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