Hi Sebastian, I love your patch! Perhaps something to improve: [auto build test WARNING on input/next] [also build test WARNING on v5.7-rc6 next-20200519] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Sebastian-Reichel/EXC3000-Updates/20200520-023207 base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next config: openrisc-randconfig-r024-20200519 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=openrisc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>, old ones prefixed by <<): drivers/input/touchscreen/exc3000.c:48:13: error: 'SZ_4K' undeclared here (not in a function) 48 | .max_xy = SZ_4K - 1, | ^~~~~ drivers/input/touchscreen/exc3000.c:52:13: error: 'SZ_16K' undeclared here (not in a function) 52 | .max_xy = SZ_16K - 1, | ^~~~~~ In file included from arch/openrisc/include/asm/bitops.h:25, from include/linux/bitops.h:29, from drivers/input/touchscreen/exc3000.c:10: drivers/input/touchscreen/exc3000.c: In function 'exc3000_read_frame': drivers/input/touchscreen/exc3000.c:99:25: warning: comparison between pointer and integer 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ >> drivers/input/touchscreen/exc3000.c:99:2: note: in expansion of macro 'if' 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ drivers/input/touchscreen/exc3000.c:99:25: warning: comparison between pointer and integer 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ include/linux/compiler.h:58:61: note: in definition of macro '__trace_if_var' 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) | ^~~~ >> drivers/input/touchscreen/exc3000.c:99:2: note: in expansion of macro 'if' 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ drivers/input/touchscreen/exc3000.c:99:25: warning: comparison between pointer and integer 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ include/linux/compiler.h:69:3: note: in definition of macro '__trace_if_value' 69 | (cond) ? | ^~~~ include/linux/compiler.h:56:28: note: in expansion of macro '__trace_if_var' 56 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) ) | ^~~~~~~~~~~~~~ >> drivers/input/touchscreen/exc3000.c:99:2: note: in expansion of macro 'if' 99 | if (data->info->max_xy == SZ_16K - 1) | ^~ vim +/if +99 drivers/input/touchscreen/exc3000.c > 10 #include <linux/bitops.h> 11 #include <linux/device.h> 12 #include <linux/i2c.h> 13 #include <linux/input.h> 14 #include <linux/input/mt.h> 15 #include <linux/input/touchscreen.h> 16 #include <linux/interrupt.h> 17 #include <linux/module.h> 18 #include <linux/of.h> 19 #include <linux/timer.h> 20 #include <asm/unaligned.h> 21 22 #define EXC3000_NUM_SLOTS 10 23 #define EXC3000_SLOTS_PER_FRAME 5 24 #define EXC3000_LEN_FRAME 66 25 #define EXC3000_LEN_POINT 10 26 27 #define EXC3000_MT1_EVENT 0x06 28 #define EXC3000_MT2_EVENT 0x18 29 30 #define EXC3000_TIMEOUT_MS 100 31 32 static const struct i2c_device_id exc3000_id[]; 33 34 struct eeti_dev_info { 35 const char *name; 36 int max_xy; 37 }; 38 39 enum eeti_dev_id { 40 EETI_EXC3000, 41 EETI_EXC80H60, 42 EETI_EXC80H84, 43 }; 44 45 static struct eeti_dev_info exc3000_info[] = { 46 [EETI_EXC3000] = { 47 .name = "EETI EXC3000 Touch Screen", 48 .max_xy = SZ_4K - 1, 49 }, 50 [EETI_EXC80H60] = { 51 .name = "EETI EXC80H60 Touch Screen", 52 .max_xy = SZ_16K - 1, 53 }, 54 [EETI_EXC80H84] = { 55 .name = "EETI EXC80H84 Touch Screen", 56 .max_xy = SZ_16K - 1, 57 }, 58 }; 59 60 struct exc3000_data { 61 struct i2c_client *client; 62 const struct eeti_dev_info *info; 63 struct input_dev *input; 64 struct touchscreen_properties prop; 65 struct timer_list timer; 66 u8 buf[2 * EXC3000_LEN_FRAME]; 67 }; 68 69 static void exc3000_report_slots(struct input_dev *input, 70 struct touchscreen_properties *prop, 71 const u8 *buf, int num) 72 { 73 for (; num--; buf += EXC3000_LEN_POINT) { 74 if (buf[0] & BIT(0)) { 75 input_mt_slot(input, buf[1]); 76 input_mt_report_slot_state(input, MT_TOOL_FINGER, true); 77 touchscreen_report_pos(input, prop, 78 get_unaligned_le16(buf + 2), 79 get_unaligned_le16(buf + 4), 80 true); 81 } 82 } 83 } 84 85 static void exc3000_timer(struct timer_list *t) 86 { 87 struct exc3000_data *data = from_timer(data, t, timer); 88 89 input_mt_sync_frame(data->input); 90 input_sync(data->input); 91 } 92 93 static int exc3000_read_frame(struct exc3000_data *data, u8 *buf) 94 { 95 struct i2c_client *client = data->client; 96 u8 expected_event = EXC3000_MT1_EVENT; 97 int ret; 98 > 99 if (data->info->max_xy == SZ_16K - 1) 100 expected_event = EXC3000_MT2_EVENT; 101 102 ret = i2c_master_send(client, "'", 2); 103 if (ret < 0) 104 return ret; 105 106 if (ret != 2) 107 return -EIO; 108 109 ret = i2c_master_recv(client, buf, EXC3000_LEN_FRAME); 110 if (ret < 0) 111 return ret; 112 113 if (ret != EXC3000_LEN_FRAME) 114 return -EIO; 115 116 if (get_unaligned_le16(buf) != EXC3000_LEN_FRAME) 117 return -EINVAL; 118 119 if (buf[2] != expected_event) 120 return -EINVAL; 121 122 return 0; 123 } 124 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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