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SubjectRe: [PATCH 6.1 0000/1146] 6.1.2-rc1 review
On Wed, Dec 28, 2022 at 03:15:01PM -0600, Daniel Díaz wrote:
> Hello!
>
>
> On 28/12/22 08:25, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.1.2 release.
> > There are 1146 patches in this series, all will be posted as a response
> > to this one. If anyone has any issues with these being applied, please
> > let me know.
> >
> > Responses should be made by Fri, 30 Dec 2022 14:41:29 +0000.
> > Anything received after that time might be too late.
> >
> > The whole patch series can be found in one patch at:
> > https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.1.2-rc1.gz
> > or in the git tree and branch at:
> > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.1.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
>
> We're seeing the already reported problem with the unused variable 'rpm', but also seeing this on Arm, i386, MIPS, PA-RISC:
>
I see this as well if I try to build with gcc 9.4, but not with gcc 11.3.
Interesting.

Anyway, the problem is fixed upstream with commit dd1f1da4ada5
("pwm: tegra: Fix 32 bit build").

Guenter

> | /builds/linux/drivers/pwm/pwm-tegra.c: In function 'tegra_pwm_config':
> | /builds/linux/drivers/pwm/pwm-tegra.c:148:53: error: result of '1000000000 << 8' requires 39 bits to represent, but 'long int' only has 32 bits [-Werror=shift-overflow=]
> | required_clk_rate = DIV_ROUND_UP_ULL(NSEC_PER_SEC << PWM_DUTY_WIDTH,
> | ^~
> | /builds/linux/include/linux/math.h:40:32: note: in definition of macro 'DIV_ROUND_DOWN_ULL'
> | ({ unsigned long long _tmp = (ll); do_div(_tmp, d); _tmp; })
> | ^~
> | /builds/linux/drivers/pwm/pwm-tegra.c:148:23: note: in expansion of macro 'DIV_ROUND_UP_ULL'
> | required_clk_rate = DIV_ROUND_UP_ULL(NSEC_PER_SEC << PWM_DUTY_WIDTH,
> | ^~~~~~~~~~~~~~~~
> | cc1: all warnings being treated as errors
>
> Those are with GCC-8 and allmodconfig.
>
> Greetings!
>
> Daniel Díaz
> daniel.diaz@linaro.org
>

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