device: avoid casting away const from config_info pointer
The driver-specific config_info structure referenced from the device structure is marked const. Some drivers fail to preserve that qualifier when casting the pointer to the driver-specific structure, violating MISRA 11.8. Changes produced by scripts/coccinelle/const_config_info.cocci. Some changes proposed by the script are not included because they reveal mutation of state through the const pointer, though the code works as long as the driver-specific object is defined without the const qualifier. Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
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49e8c7080f
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4f16b419e8
18 changed files with 41 additions and 41 deletions
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@ -104,7 +104,7 @@ static inline void sleep(u32_t sleep_in_ms)
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*******************************************/
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void glcd_print(struct device *port, char *data, u32_t size)
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{
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const struct glcd_driver * const rom = (struct glcd_driver *)
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const struct glcd_driver * const rom = (const struct glcd_driver *)
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port->config_info;
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struct glcd_data *dev = port->driver_data;
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u8_t buf[] = { GLCD_CMD_SET_CGRAM_ADDR, 0 };
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@ -119,7 +119,7 @@ void glcd_print(struct device *port, char *data, u32_t size)
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void glcd_cursor_pos_set(struct device *port, u8_t col, u8_t row)
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{
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const struct glcd_driver * const rom = (struct glcd_driver *)
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const struct glcd_driver * const rom = (const struct glcd_driver *)
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port->config_info;
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struct glcd_data *dev = port->driver_data;
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@ -140,7 +140,7 @@ void glcd_cursor_pos_set(struct device *port, u8_t col, u8_t row)
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void glcd_clear(struct device *port)
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{
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const struct glcd_driver * const rom = (struct glcd_driver *)
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const struct glcd_driver * const rom = (const struct glcd_driver *)
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port->config_info;
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struct glcd_data *dev = port->driver_data;
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u8_t clear[] = { 0, GLCD_CMD_SCREEN_CLEAR };
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@ -153,7 +153,7 @@ void glcd_clear(struct device *port)
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void glcd_display_state_set(struct device *port, u8_t opt)
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{
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const struct glcd_driver * const rom = (struct glcd_driver *)
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const struct glcd_driver * const rom = (const struct glcd_driver *)
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port->config_info;
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struct glcd_data *dev = port->driver_data;
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u8_t data[] = { 0, 0 };
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