Re: [PATCH 1/2] clk: sunxi: add predivider handling for factors clock

From: Chen-Yu Tsai
Date: Tue Apr 19 2016 - 10:17:08 EST


On Tue, Apr 19, 2016 at 6:22 PM, Philip Li <philip.li@xxxxxxxxx> wrote:
> On Sun, Apr 17, 2016 at 11:53:47AM +0800, Vishnu Patekar wrote:
>> Both of these patches in series has to be applied at the same time.
>> I think this is the reason, it fails.

You should probably squash the second patch into the first.

ChenYu

> hi Xiaolong, would you help do a check whether we apply the patches in correct sequence for this case?
>
>
>> On 17 Apr 2016 09:26, "kbuild test robot" <lkp@xxxxxxxxx> wrote:
>>
>> > Hi Vishnu,
>> >
>> > [auto build test ERROR on clk/clk-next]
>> > [also build test ERROR on v4.6-rc3 next-20160415]
>> > [if your patch is applied to the wrong git tree, please drop us a note to
>> > help improving the system]
>> >
>> > url:
>> > https://github.com/0day-ci/linux/commits/Vishnu-Patekar/sunxi-factors-clock-predivider-handling/20160417-025801
>> > base: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git
>> > clk-next
>> > config: arm-sunxi_defconfig (attached as .config)
>> > reproduce:
>> > wget
>> > https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
>> > -O ~/bin/make.cross
>> > chmod +x ~/bin/make.cross
>> > # save the attached .config to linux build tree
>> > make.cross ARCH=arm
>> >
>> > Note: the
>> > linux-review/Vishnu-Patekar/sunxi-factors-clock-predivider-handling/20160417-025801
>> > HEAD 19bb5fc952754381d9f4f9b2e57a1fa09f467359 builds fine.
>> > It only hurts bisectibility.
>> >
>> > All errors (new ones prefixed by >>):
>> >
>> > drivers/clk/sunxi/clk-sunxi.c: In function 'sun6i_get_ahb1_factors':
>> > >> drivers/clk/sunxi/clk-sunxi.c:310:9: error: 'struct factors_request'
>> > has no member named 'parent_index'
>> > if (req->parent_index == SUN6I_AHB1_PARENT_PLL6) {
>> > ^
>> > drivers/clk/sunxi/clk-sunxi.c: In function 'sun6i_ahb1_recalc':
>> > drivers/clk/sunxi/clk-sunxi.c:340:9: error: 'struct factors_request'
>> > has no member named 'parent_index'
>> > if (req->parent_index == SUN6I_AHB1_PARENT_PLL6)
>> > ^
>> >
>> > vim +310 drivers/clk/sunxi/clk-sunxi.c
>> >
>> > a78bb355 Chen-Yu Tsai 2016-01-25 304 if (req->parent_rate && req->rate
>> > > req->parent_rate)
>> > a78bb355 Chen-Yu Tsai 2016-01-25 305 req->rate =
>> > req->parent_rate;
>> > a78bb355 Chen-Yu Tsai 2016-01-25 306
>> > a78bb355 Chen-Yu Tsai 2016-01-25 307 div =
>> > DIV_ROUND_UP(req->parent_rate, req->rate);
>> > a78bb355 Chen-Yu Tsai 2016-01-25 308
>> > a78bb355 Chen-Yu Tsai 2016-01-25 309 /* calculate pre-divider if parent
>> > is pll6 */
>> > a78bb355 Chen-Yu Tsai 2016-01-25 @310 if (req->parent_index ==
>> > SUN6I_AHB1_PARENT_PLL6) {
>> > a78bb355 Chen-Yu Tsai 2016-01-25 311 if (div < 4)
>> > a78bb355 Chen-Yu Tsai 2016-01-25 312 calcp = 0;
>> > a78bb355 Chen-Yu Tsai 2016-01-25 313 else if (div / 2 < 4)
>> >
>> > :::::: The code at line 310 was first introduced by commit
>> > :::::: a78bb35552a800949b2bf68f372d3d6ccabdd790 clk: sunxi: rewrite
>> > sun6i-a31-ahb1-clk using factors clk with custom recalc
>> >
>> > :::::: TO: Chen-Yu Tsai <wens@xxxxxxxx>
>> > :::::: CC: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
>> >
>> > ---
>> > 0-DAY kernel test infrastructure Open Source Technology
>> > Center
>> > https://lists.01.org/pipermail/kbuild-all Intel
>> > Corporation
>> >