From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Tuowen Zhao <ztuowen@gmail.com>
Cc: lee.jones@linaro.org, linux-kernel@vger.kernel.org,
AceLan Kao <acelan.kao@canonical.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Luis Chamberlain <mcgrof@kernel.org>
Subject: Re: [PATCH v4 1/2] lib: devres: add a helper function for ioremap_uc
Date: Tue, 15 Oct 2019 10:44:34 +0300 [thread overview]
Message-ID: <20191015074434.GU32742@smile.fi.intel.com> (raw)
In-Reply-To: <c4bcdf14e0a60a679429eebd439b2380d97dafe9.camel@gmail.com>
On Mon, Oct 14, 2019 at 01:15:53PM -0600, Tuowen Zhao wrote:
> On Tue, 2019-10-15 at 02:46 +0800, kbuild test robot wrote:
> > -O ~/bin/make.cross
> > chmod +x ~/bin/make.cross
> > # save the attached .config to linux build tree
> > GCC_VERSION=7.4.0 make.cross ARCH=sparc64
>
> Oops, I'm not sure how would we best fix this. Clearly the patch is not
> intended for sparc64. Maybe adding devm_ioremap_uc is rather not safe
> right now.
It seems you need a preparatory patch to satisfy sparc64.
> Although, We could declare dummies for these architectures like it has
> been for powerpc.
>
> I just noticed another driver having this issue, and fixed with direct
> calls to ioremap_uc().
>
> 3cc2dac5be3f2: drivers/video/fbdev/atyfb: Replace MTRR UC hole with
> strong UC
That's why I asked Luis to have a look at this :)
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2019-10-15 7:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-14 15:33 [PATCH v4 1/2] lib: devres: add a helper function for ioremap_uc Tuowen Zhao
2019-10-14 15:33 ` [PATCH v4 2/2] mfd: intel-lpss: use devm_ioremap_uc for MMIO Tuowen Zhao
2019-10-14 18:46 ` [PATCH v4 1/2] lib: devres: add a helper function for ioremap_uc kbuild test robot
2019-10-14 18:46 ` kbuild test robot
2019-10-14 19:15 ` Tuowen Zhao
2019-10-15 7:44 ` Andy Shevchenko [this message]
2019-10-16 12:56 ` Luis Chamberlain
2019-10-16 17:58 ` Tuowen Zhao
2019-12-04 11:32 ` Guenter Roeck
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