From: kbuild test robot <lkp@intel.com>
To: Stephen Boyd <sboyd@kernel.org>
Cc: kbuild-all@01.org, linux-arm-kernel@lists.infradead.org,
linux-clk@vger.kernel.org
Subject: [clk:clk-parent-rewrite 70/78] drivers/clk/sunxi-ng/ccu_mux.c:271:23: warning: assignment makes integer from pointer without a cast
Date: Fri, 3 May 2019 06:56:40 +0800 [thread overview]
Message-ID: <201905030638.OjbMHrOn%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-parent-rewrite
head: f5e93ab2421d0dd27acac9159d9c4834cd5705e7
commit: c4e54e4bc72df9c60801981f828a62de2f5707f0 [70/78] clk: sunxi-ng: Migrate to .get_parent_hw clk op
config: mips-allmodconfig (attached as .config)
compiler: mips-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout c4e54e4bc72df9c60801981f828a62de2f5707f0
# save the attached .config to linux build tree
GCC_VERSION=7.2.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/clk/sunxi-ng/ccu_mux.c: In function 'ccu_mux_notifier_cb':
>> drivers/clk/sunxi-ng/ccu_mux.c:271:23: warning: assignment makes integer from pointer without a cast [-Wint-conversion]
mux->original_index = ccu_mux_helper_get_parent(mux->common,
^
vim +271 drivers/clk/sunxi-ng/ccu_mux.c
8adfb086 Chen-Yu Tsai 2016-08-25 257
8adfb086 Chen-Yu Tsai 2016-08-25 258 /*
8adfb086 Chen-Yu Tsai 2016-08-25 259 * This clock notifier is called when the frequency of the of the parent
8adfb086 Chen-Yu Tsai 2016-08-25 260 * PLL clock is to be changed. The idea is to switch the parent to a
8adfb086 Chen-Yu Tsai 2016-08-25 261 * stable clock, such as the main oscillator, while the PLL frequency
8adfb086 Chen-Yu Tsai 2016-08-25 262 * stabilizes.
8adfb086 Chen-Yu Tsai 2016-08-25 263 */
8adfb086 Chen-Yu Tsai 2016-08-25 264 static int ccu_mux_notifier_cb(struct notifier_block *nb,
8adfb086 Chen-Yu Tsai 2016-08-25 265 unsigned long event, void *data)
8adfb086 Chen-Yu Tsai 2016-08-25 266 {
8adfb086 Chen-Yu Tsai 2016-08-25 267 struct ccu_mux_nb *mux = to_ccu_mux_nb(nb);
8adfb086 Chen-Yu Tsai 2016-08-25 268 int ret = 0;
8adfb086 Chen-Yu Tsai 2016-08-25 269
8adfb086 Chen-Yu Tsai 2016-08-25 270 if (event == PRE_RATE_CHANGE) {
8adfb086 Chen-Yu Tsai 2016-08-25 @271 mux->original_index = ccu_mux_helper_get_parent(mux->common,
8adfb086 Chen-Yu Tsai 2016-08-25 272 mux->cm);
8adfb086 Chen-Yu Tsai 2016-08-25 273 ret = ccu_mux_helper_set_parent(mux->common, mux->cm,
8adfb086 Chen-Yu Tsai 2016-08-25 274 mux->bypass_index);
8adfb086 Chen-Yu Tsai 2016-08-25 275 } else if (event == POST_RATE_CHANGE) {
8adfb086 Chen-Yu Tsai 2016-08-25 276 ret = ccu_mux_helper_set_parent(mux->common, mux->cm,
8adfb086 Chen-Yu Tsai 2016-08-25 277 mux->original_index);
8adfb086 Chen-Yu Tsai 2016-08-25 278 }
8adfb086 Chen-Yu Tsai 2016-08-25 279
8adfb086 Chen-Yu Tsai 2016-08-25 280 udelay(mux->delay_us);
8adfb086 Chen-Yu Tsai 2016-08-25 281
8adfb086 Chen-Yu Tsai 2016-08-25 282 return notifier_from_errno(ret);
8adfb086 Chen-Yu Tsai 2016-08-25 283 }
8adfb086 Chen-Yu Tsai 2016-08-25 284
:::::: The code at line 271 was first introduced by commit
:::::: 8adfb08605a99d742853ff8cf4da5bc68db2028a clk: sunxi-ng: mux: Add clk notifier functions
:::::: TO: Chen-Yu Tsai <wens@csie.org>
:::::: CC: Maxime Ripard <maxime.ripard@free-electrons.com>
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