[PATCH v2 2/2] input: keypad: add new keypad driver for MA35D1
kernel test robot
lkp at intel.com
Tue Nov 12 01:57:25 PST 2024
Hi mjchen,
kernel test robot noticed the following build errors:
[auto build test ERROR on dtor-input/next]
[also build test ERROR on dtor-input/for-linus robh/for-next soc/for-next linus/master v6.12-rc7 next-20241112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/mjchen/dt-bindings-input-Add-Nuvoton-MA35D1-keypad/20241112-133327
base: https://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git next
patch link: https://lore.kernel.org/r/20241112053059.3361-3-mjchen0829%40gmail.com
patch subject: [PATCH v2 2/2] input: keypad: add new keypad driver for MA35D1
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20241112/202411121749.9xapQvza-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241112/202411121749.9xapQvza-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202411121749.9xapQvza-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
drivers/input/keyboard/ma35d1_keypad.c: In function 'ma35d1_keypad_scan_matrix':
>> drivers/input/keyboard/ma35d1_keypad.c:83:53: warning: left shift count >= width of type [-Wshift-count-overflow]
83 | pressed_keys = key_event[0] | key_event[1] << 32;
| ^~
drivers/input/keyboard/ma35d1_keypad.c:84:53: warning: left shift count >= width of type [-Wshift-count-overflow]
84 | released_keys = key_event[2] | key_event[3] << 32;
| ^~
drivers/input/keyboard/ma35d1_keypad.c: In function 'ma35d1_keypad_open':
>> drivers/input/keyboard/ma35d1_keypad.c:130:16: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
130 | val |= FIELD_PREP(KCOL, (keypad->kpi_col - 1)) | FIELD_PREP(KROW, (keypad->kpi_row - 1));
| ^~~~~~~~~~
vim +/FIELD_PREP +130 drivers/input/keyboard/ma35d1_keypad.c
59
60 static void ma35d1_keypad_scan_matrix(struct ma35d1_keypad *keypad, unsigned int status)
61 {
62 struct input_dev *input_dev = keypad->input_dev;
63 unsigned int code;
64 unsigned int key;
65 unsigned long pressed_keys = 0, released_keys = 0;
66 unsigned int row_shift = get_count_order(keypad->kpi_col);
67 unsigned short *keymap = input_dev->keycode;
68 unsigned long key_event[4];
69 unsigned int index;
70
71 /* Read key event status */
72 key_event[0] = readl(keypad->mmio_base + KPI_KPE0);
73 key_event[1] = readl(keypad->mmio_base + KPI_KPE1);
74 key_event[2] = readl(keypad->mmio_base + KPI_KRE0);
75 key_event[3] = readl(keypad->mmio_base + KPI_KRE1);
76
77 /* Clear key event status */
78 writel(key_event[0], (keypad->mmio_base + KPI_KPE0));
79 writel(key_event[1], (keypad->mmio_base + KPI_KPE1));
80 writel(key_event[2], (keypad->mmio_base + KPI_KRE0));
81 writel(key_event[3], (keypad->mmio_base + KPI_KRE1));
82
> 83 pressed_keys = key_event[0] | key_event[1] << 32;
84 released_keys = key_event[2] | key_event[3] << 32;
85
86 /* Process pressed keys */
87 for_each_set_bit(index, &pressed_keys, KEY_EVENT_BITS) {
88 code = MATRIX_SCAN_CODE(index / 8, (index % 8), row_shift);
89 key = keymap[code];
90
91 input_event(input_dev, EV_MSC, MSC_SCAN, code);
92 input_report_key(input_dev, key, 1);
93 }
94
95 /* Process released keys */
96 for_each_set_bit(index, &released_keys, KEY_EVENT_BITS) {
97 code = MATRIX_SCAN_CODE(index / 8, (index % 8), row_shift);
98 key = keymap[code];
99
100 input_event(input_dev, EV_MSC, MSC_SCAN, code);
101 input_report_key(input_dev, key, 0);
102 }
103
104 input_sync(input_dev);
105 }
106
107 static irqreturn_t ma35d1_keypad_interrupt(int irq, void *dev_id)
108 {
109 struct ma35d1_keypad *keypad = dev_id;
110 unsigned int kstatus;
111
112 kstatus = readl(keypad->mmio_base + KPI_STATUS);
113
114 if (kstatus & (PKEY_INT | RKEY_INT)) {
115 ma35d1_keypad_scan_matrix(keypad, kstatus);
116 } else {
117 if (kstatus & PDWAKE)
118 writel(PDWAKE, (keypad->mmio_base + KPI_STATUS));
119 }
120
121 return IRQ_HANDLED;
122 }
123
124 static int ma35d1_keypad_open(struct input_dev *dev)
125 {
126 struct ma35d1_keypad *keypad = input_get_drvdata(dev);
127 unsigned int val, config;
128
129 val = RKINTEN | PKINTEN | INTEN | ENKP;
> 130 val |= FIELD_PREP(KCOL, (keypad->kpi_col - 1)) | FIELD_PREP(KROW, (keypad->kpi_row - 1));
131
132 if (keypad->debounce_val > 0)
133 config = FIELD_PREP(PRESCALE, (keypad->pre_scale - 1)) |
134 FIELD_PREP(DB_CLKSEL, keypad->debounce_val);
135 else
136 config = FIELD_PREP(PRESCALE, (keypad->pre_scale - 1));
137
138 val |= config;
139
140 writel(val, keypad->mmio_base + KPI_CONF);
141 writel((keypad->pre_scale_divider - 1), keypad->mmio_base + KPI_PRESCALDIV);
142
143 return 0;
144 }
145
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