linux-kernel - Re: [PATCH 01/33] clk_ops: change round

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Date:   Mon, 1 Jan 2018 22:41:21 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Bryan O'Donoghue <pure.logic@...us-software.ie>
Cc:     kbuild-all@...org, mturquette@...libre.com, sboyd@...eaurora.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        uclinux-h8-devel@...ts.sourceforge.jp, linux-mips@...ux-mips.org,
        linux-samsung-soc@...r.kernel.org, patches@...nsource.cirrus.com,
        linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        linux-rtc@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-renesas-soc@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-tegra@...r.kernel.org,
        pure.logic@...us-software.ie, linux-omap@...r.kernel.org,
        linux-soc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-media@...r.kernel.org
Subject: Re: [PATCH 01/33] clk_ops: change round_rate() to return unsigned
 long

Hi Bryan,

I love your patch! Yet something to improve:

[auto build test ERROR on tegra/for-next]
[also build test ERROR on v4.15-rc6]
[cannot apply to clk/clk-next next-20171222]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Bryan-O-Donoghue/change-clk_ops-round_rate-to-scale-past-LONG_MAX/20180101-212907
base:   https://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux.git for-next
config: x86_64-randconfig-x016-201800 (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

>> drivers//clk/clk-versaclock5.c:321:16: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .round_rate = vc5_dbl_round_rate,
                   ^~~~~~~~~~~~~~~~~~
   drivers//clk/clk-versaclock5.c:321:16: note: (near initialization for 'vc5_dbl_ops.round_rate')
   cc1: some warnings being treated as errors

vim +321 drivers//clk/clk-versaclock5.c

8c1ebe97 Marek Vasut 2017-07-09  318  
8c1ebe97 Marek Vasut 2017-07-09  319  static const struct clk_ops vc5_dbl_ops = {
8c1ebe97 Marek Vasut 2017-07-09  320  	.recalc_rate	= vc5_dbl_recalc_rate,
8c1ebe97 Marek Vasut 2017-07-09 @321  	.round_rate	= vc5_dbl_round_rate,
8c1ebe97 Marek Vasut 2017-07-09  322  	.set_rate	= vc5_dbl_set_rate,
8c1ebe97 Marek Vasut 2017-07-09  323  };
8c1ebe97 Marek Vasut 2017-07-09  324  

:::::: The code at line 321 was first introduced by commit
:::::: 8c1ebe9762670159ca982167131af63c94ff1571 clk: vc5: Add support for the input frequency doubler

:::::: TO: Marek Vasut <marek.vasut@...il.com>
:::::: CC: Stephen Boyd <sboyd@...eaurora.org>

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