Hi Luca, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linuxtv-media/master] [also build test WARNING on v4.17-rc1 next-20180418] [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/Luca-Ceresoli/imx274-add-cropping-and-misc-improvements/20180413-234459 base: git://linuxtv.org/media_tree.git master config: i386-randconfig-h1-04190052 (attached as .config) compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/linux/dynamic_debug.h:6:0, from include/linux/printk.h:329, from include/linux/kernel.h:14, from include/linux/clk.h:16, from drivers/media//i2c/imx274.c:22: drivers/media//i2c/imx274.c: In function 'imx274_s_stream': >> include/linux/jump_label.h:407:59: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'int' [-Wformat=] else if (__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \ ^ include/linux/dynamic_debug.h:103:2: note: in expansion of macro 'static_branch_unlikely' static_branch_unlikely(&descriptor.key.dd_key_false) ^ include/linux/dynamic_debug.h:134:6: note: in expansion of macro 'DYNAMIC_DEBUG_BRANCH' if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ ^ include/linux/device.h:1364:2: note: in expansion of macro 'dynamic_dev_dbg' dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ ^ drivers/media//i2c/imx274.c:1027:2: note: in expansion of macro 'dev_dbg' dev_dbg(&imx274->client->dev, "%s : %s, mode index %lu\n", __func__, ^ -- In file included from include/linux/dynamic_debug.h:6:0, from include/linux/printk.h:329, from include/linux/kernel.h:14, from include/linux/clk.h:16, from drivers/media/i2c/imx274.c:22: drivers/media/i2c/imx274.c: In function 'imx274_s_stream': >> include/linux/jump_label.h:407:59: warning: format '%lu' expects argument of type 'long unsigned int', but argument 6 has type 'int' [-Wformat=] else if (__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \ ^ include/linux/dynamic_debug.h:103:2: note: in expansion of macro 'static_branch_unlikely' static_branch_unlikely(&descriptor.key.dd_key_false) ^ include/linux/dynamic_debug.h:134:6: note: in expansion of macro 'DYNAMIC_DEBUG_BRANCH' if (DYNAMIC_DEBUG_BRANCH(descriptor)) \ ^ include/linux/device.h:1364:2: note: in expansion of macro 'dynamic_dev_dbg' dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \ ^ drivers/media/i2c/imx274.c:1027:2: note: in expansion of macro 'dev_dbg' dev_dbg(&imx274->client->dev, "%s : %s, mode index %lu\n", __func__, ^ vim +407 include/linux/jump_label.h 11276d53 Peter Zijlstra 2015-07-24 401 11276d53 Peter Zijlstra 2015-07-24 402 #define static_branch_unlikely(x) \ 11276d53 Peter Zijlstra 2015-07-24 403 ({ \ 11276d53 Peter Zijlstra 2015-07-24 404 bool branch; \ 11276d53 Peter Zijlstra 2015-07-24 405 if (__builtin_types_compatible_p(typeof(*x), struct static_key_true)) \ 11276d53 Peter Zijlstra 2015-07-24 406 branch = arch_static_branch_jump(&(x)->key, false); \ 11276d53 Peter Zijlstra 2015-07-24 @407 else if (__builtin_types_compatible_p(typeof(*x), struct static_key_false)) \ 11276d53 Peter Zijlstra 2015-07-24 408 branch = arch_static_branch(&(x)->key, false); \ 11276d53 Peter Zijlstra 2015-07-24 409 else \ 11276d53 Peter Zijlstra 2015-07-24 410 branch = ____wrong_branch_error(); \ 81dcf89f Peter Zijlstra 2018-01-18 411 unlikely(branch); \ 11276d53 Peter Zijlstra 2015-07-24 412 }) 11276d53 Peter Zijlstra 2015-07-24 413 :::::: The code at line 407 was first introduced by commit :::::: 11276d5306b8e5b438a36bbff855fe792d7eaa61 locking/static_keys: Add a new static_key interface :::::: TO: Peter Zijlstra <peterz@xxxxxxxxxxxxx> :::::: CC: Ingo Molnar <mingo@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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