Re: [PATCH V5] phy: freescale: fsl-samsung-hdmi: fix build error in fsl_samsung_hdmi_phy_configure_pll_lock_det

[Vinod Koul <vkoul@kernel.org>]

On 11-02-25, 10:10, Pei Xiao wrote:
> 
> 在 2025/2/11 01:02, Vinod Koul 写道:
> > On 17-01-25, 10:15, Pei Xiao wrote:
> >> 在 2025/1/17 09:59, Adam Ford 写道:
> >>> On Mon, Jan 13, 2025 at 2:41 AM <xiaopeitux@foxmail.com> wrote:
> >>>> From: Pei Xiao <xiaopei01@kylinos.cn>
> >>>>
> >>>> FIELD_PREP() checks that a value fits into the available bitfield,
> >>>> but the index div equals to 4,is out of range.
> >>>>
> >>>> which gcc complains about:
> >>>> In function ‘fsl_samsung_hdmi_phy_configure_pll_lock_det’,
> >>>> inlined from ‘fsl_samsung_hdmi_phy_configure’ at
> >>>> drivers/phy/freescale/phy-fsl-samsung-hdmi.c :470:2:
> >>>> ././include/linux/compiler_types.h:542:38: error: call to ‘__compiletime_assert_538’
> >>>> declared with attribute error: FIELD_PREP: value too large for the field
> >>>>   542 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> >>>> __COUNTER__)
> >>>>       |                                      ^
> >>>> ././include/linux/compiler_types.h:523:4: note: in definition of
> >>>> macro ‘__compiletime_assert’ 523 |    prefix ## suffix();
> >>>>       |    ^~~~~~
> >>>> ././include/linux/compiler_types.h:542:2: note: in expansion of macro
> >>>> ‘_compiletime_assert’
> >>>>   542 |  _compiletime_assert(condition, msg, __compiletime_assert_,
> >>>>  __COUNTER__)
> >>>>
> >>>> REG12_CK_DIV_MASK only two bit, limit div to range 0~3,
> >>>> so build error will fix.
> >>>>
> >>> LGTM.
> >>>
> >>> Reviewed-by:  Adam Ford <aford173@gmail.com>
> >> loop Vkoul for email address was written incorrectly.
> > Thanks for looping in!
> >
> > Change looks good to me. Can you please revise the patch title. A patch
> > title should describe the change we are making. Fix build error is not
> > an apt title
> 
> there so many  "Fix build error" : https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/?qt=grep&q=fix+build+error
> 
> what we should revise?
> 
> Like:*phy: freescale: fsl-samsung-hdmi: Limit PLL lock detection clock divider to valid range*

That sounds better

-- 
~Vinod