From: Lee Jones <lee.jones@linaro.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2 1/1] mfd: intel_quark_i2c_gpio: Don't play dirty trick with const
Date: Wed, 14 Apr 2021 18:13:19 +0100 [thread overview]
Message-ID: <20210414171319.GQ4869@dell> (raw)
In-Reply-To: <20210326145129.GB2916463@dell>
On Fri, 26 Mar 2021, Lee Jones wrote:
> On Fri, 26 Mar 2021, Andy Shevchenko wrote:
>
> > As Linus rightfully noticed, the driver plays dirty trick with const,
> > i.e. it assigns a place holder data structure to the const field
> > in the MFD cell and then drops the const by explicit casting. This is
> > not how it should be.
> >
> > Assign local pointers of the cell and resource to the respective
> > non-const place holders in the intel_quark_i2c_setup() and
> > intel_quark_gpio_setup().
> >
> > Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> > ---
> > v2: eliminated bar parameter (Lee)
> > drivers/mfd/intel_quark_i2c_gpio.c | 26 ++++++++++++--------------
> > 1 file changed, 12 insertions(+), 14 deletions(-)
>
> Neat.
>
> Applied, thanks.
Am I still missing patches from you Andy?
I get:
make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu- 'CC=sccache x86_64-linux-gnu-gcc' 'HOSTCC=sccache gcc' allmodconfig
make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/tmp ARCH=x86_64 CROSS_COMPILE=x86_64-linux-gnu- 'CC=sccache x86_64-linux-gnu-gcc' 'HOSTCC=sccache gcc'
/builds/linux/drivers/mfd/intel_quark_i2c_gpio.c: In function 'intel_quark_i2c_setup':
/builds/linux/drivers/mfd/intel_quark_i2c_gpio.c:181:25: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
struct resource *res = intel_quark_i2c_res;
^~~~~~~~~~~~~~~~~~~
/builds/linux/drivers/mfd/intel_quark_i2c_gpio.c: In function 'intel_quark_gpio_setup':
/builds/linux/drivers/mfd/intel_quark_i2c_gpio.c:203:25: warning: initialization discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
struct resource *res = intel_quark_gpio_res;
^~~~~~~~~~~~~~~~~~~~
Link to the build (see: build.log):
https://builds.tuxbuild.com/1rAMovpd041jvsjfQ538kW3nvYK/
--
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog
next prev parent reply other threads:[~2021-04-14 17:13 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-26 12:48 [PATCH v2 1/1] mfd: intel_quark_i2c_gpio: Don't play dirty trick with const Andy Shevchenko
2021-03-26 14:51 ` Lee Jones
2021-04-14 17:13 ` Lee Jones [this message]
2021-04-14 17:52 ` Andy Shevchenko
2021-04-14 21:19 ` Lee Jones
2021-04-15 11:02 ` Andy Shevchenko
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