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SubjectRe: [PATCH] MIPS: Lantiq: switch vmmc to use gpiod API
On Tue, Sep 27, 2022 at 01:08:35AM -0700, Dmitry Torokhov wrote:
> On September 27, 2022 12:49:53 AM PDT, Thomas Bogendoerfer <tsbogend@alpha.franken.de> wrote:
> >On Mon, Sep 26, 2022 at 09:56:08PM -0700, Dmitry Torokhov wrote:
> >> Hi Thomas,
> >>
> >> On Sat, Sep 24, 2022 at 12:46:12PM +0200, Thomas Bogendoerfer wrote:
> >> > On Thu, Sep 22, 2022 at 09:55:40PM -0700, Dmitry Torokhov wrote:
> >> > > This switches vmmc to use gpiod API instead of OF-specific legacy gpio
> >> > > API that we want to stop exporting from gpiolib.
> >> > >
> >> > > Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
> >> > > ---
> >> > > arch/mips/lantiq/xway/vmmc.c | 22 +++++++++++++---------
> >> > > 1 file changed, 13 insertions(+), 9 deletions(-)
> >> >
> >> > applied to mips-next.
> >>
> >> My apologies, I screwed up. I thought this patch passed 0day before I
> >> sent it to you, but apparently it has not.
> >>
> >> Here is a fixup (actually cross-compiled this time), or I can send a v2
> >> incorporating it into the original change.
> >
> >I need a fixup, but this one still fails in my build:
> >
> >/local/tbogendoerfer/korg/linux/arch/mips/lantiq/xway/vmmc.c: In function ‘vmmc_probe’:
> >/local/tbogendoerfer/korg/linux/arch/mips/lantiq/xway/vmmc.c:43:5: error: format ‘%d’ expects argument of type ‘int’, but argument 4 has type ‘long int’ [-Werror=format=]
> > "failed to request GPIO idx %d: %d\n",
> > ^
>
> I see, I did not realize PTR_ERR() is actually long. I guess I can introduce a temp variable and use PTR_ERR_OR_ZERO(), but there are a lot of places in the kernel that use %d and PTR_ERR(). I wonder why we can't define PTR_ERR() as (int)(long)ptr or something.
>
> What compiler/version are you using for your builds?

it's rather old:

gcc version 6.1.1 20160621 (Red Hat Cross 6.1.1-2) (GCC)

Thomas.

--
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea. [ RFC1925, 2.3 ]

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