[kbuild-all] Re: drivers/clk/clk-divider.c:39:17: sparse: sparse: incorrect type in argument 1 (different base types)

Hi Stephen, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 64677779e8962c20b580b471790fe42367750599 commit: bbd7ffdbef6888459f301c5889f3b14ada38b913 clk: Allow the common clk framework to be selectable date: 7 weeks ago config: alpha-randconfig-s032-20200621 (attached as .config) compiler: alpha-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-rc2-13-gc59158c8-dirty git checkout bbd7ffdbef6888459f301c5889f3b14ada38b913 # save the attached .config to linux build tree make W=1 C=1 ARCH=alpha CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 drivers/clk/clk-divider.c:31:24: sparse: sparse: cast to restricted __be32 >> drivers/clk/clk-divider.c:39:17: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int [usertype] @@ got restricted __be32 [usertype] @@ >> drivers/clk/clk-divider.c:39:17: sparse: expected unsigned int [usertype] drivers/clk/clk-divider.c:39:17: sparse: got restricted __be32 [usertype] vim +39 drivers/clk/clk-divider.c 9d9f78ed9af0e4 Mike Turquette 2012-03-15 17 9d9f78ed9af0e4 Mike Turquette 2012-03-15 18 /* 9d9f78ed9af0e4 Mike Turquette 2012-03-15 19 * DOC: basic adjustable divider clock that cannot gate 9d9f78ed9af0e4 Mike Turquette 2012-03-15 20 * 9d9f78ed9af0e4 Mike Turquette 2012-03-15 21 * Traits of this clock: 9d9f78ed9af0e4 Mike Turquette 2012-03-15 22 * prepare - clk_prepare only ensures that parents are prepared 9d9f78ed9af0e4 Mike Turquette 2012-03-15 23 * enable - clk_enable only ensures that parents are enabled 9556f9dad8f576 Brian Norris 2015-04-13 24 * rate - rate is adjustable. clk->rate = ceiling(parent->rate / divisor) 9d9f78ed9af0e4 Mike Turquette 2012-03-15 25 * parent - fixed parent. No clk_set_parent support 9d9f78ed9af0e4 Mike Turquette 2012-03-15 26 */ 9d9f78ed9af0e4 Mike Turquette 2012-03-15 27 434d69fad63b44 Jonas Gorski 2019-04-18 28 static inline u32 clk_div_readl(struct clk_divider *divider) 434d69fad63b44 Jonas Gorski 2019-04-18 29 { 434d69fad63b44 Jonas Gorski 2019-04-18 30 if (divider->flags & CLK_DIVIDER_BIG_ENDIAN) 434d69fad63b44 Jonas Gorski 2019-04-18 @31 return ioread32be(divider->reg);