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SubjectRe: [PATCH 4/9] nvmem: sprd: Fix an error message
On Fri, Jun 11, 2021 at 11:17:50AM +0200, Greg KH wrote:
> On Fri, Jun 11, 2021 at 10:05:40AM +0100, Srinivas Kandagatla wrote:
> >
> >
> > On 11/06/2021 09:56, Greg KH wrote:
> > > On Fri, Jun 11, 2021 at 09:33:43AM +0100, Srinivas Kandagatla wrote:
> > > > From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> > > >
> > > > 'ret' is known to be 0 here.
> > > > The expected error status is stored in 'status', so use it instead.
> > > >
> > > > Also change %d in %u, because status is an u32, not a int.
> > > >
> > > > Fixes: 096030e7f449 ("nvmem: sprd: Add Spreadtrum SoCs eFuse support")
> > > > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> > > > Acked-by: Chunyan Zhang <zhang.lyra@gmail.com>
> > > > Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
> > > > ---
> > > > drivers/nvmem/sprd-efuse.c | 2 +-
> > > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/nvmem/sprd-efuse.c b/drivers/nvmem/sprd-efuse.c
> > > > index 5d394559edf2..e3e721d4c205 100644
> > > > --- a/drivers/nvmem/sprd-efuse.c
> > > > +++ b/drivers/nvmem/sprd-efuse.c
> > > > @@ -234,7 +234,7 @@ static int sprd_efuse_raw_prog(struct sprd_efuse *efuse, u32 blk, bool doub,
> > > > status = readl(efuse->base + SPRD_EFUSE_ERR_FLAG);
> > > > if (status) {
> > > > dev_err(efuse->dev,
> > > > - "write error status %d of block %d\n", ret, blk);
> > > > + "write error status %u of block %d\n", status, blk);
> > >
> > > Shouldn't this be %pe and not %u?
> >
> > This is not error pointer its status value read back from a register.
> >
> > I think %u should be good here.
>
> Argh, you are right, my fault. For some reason I thought this worked
> for integers as well. Don't we have such a printk modifier somewhere to
> turn error values into strings? Let me dig...

Ah, errname() will do it.

Looks like no one uses it, so nevermind, sorry for the noise. I'll go
apply this one now.

thanks,

greg k-h

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