Re: [PATCH 01/33] clk_ops: change round_rate() to return unsigned long

From: kbuild test robot
Date: Mon Jan 01 2018 - 13:02:09 EST


Hi Bryan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tegra/for-next]
[also build test WARNING 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
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)


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@xxxxxxxxx>
:::::: CC: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>

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