These symbols only used in esp_spi.c and too simple to conflict with others, so mark them as static: - cfg - ctx - dev_cfg - timing_param Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
These symbols only used in esp_spi.c and too simple to conflict with others, so mark them as static: - cfg - ctx - dev_cfg - timing_param Signed-off-by: Huang Qi <huangqi3@xiaomi.com>