3  * SPI flash interface
10 #include <spi.h>
12 static int spi_flash_read_write(struct spi_slave *spi,  in spi_flash_read_write()  argument
23 	ret = spi_xfer(spi, cmd_len * 8, cmd, NULL, flags);  in spi_flash_read_write()
28 		ret = spi_xfer(spi, data_len * 8, data_out, data_in,  in spi_flash_read_write()
38 int spi_flash_cmd_read(struct spi_slave *spi, const u8 *cmd,  in spi_flash_cmd_read()  argument
41 	return spi_flash_read_write(spi, cmd, cmd_len, NULL, data, data_len);  in spi_flash_cmd_read()
44 int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len)  in spi_flash_cmd()  argument
46 	return spi_flash_cmd_read(spi, &cmd, 1, response, len);  in spi_flash_cmd()
49 int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,  in spi_flash_cmd_write()  argument
52 	return spi_flash_read_write(spi, cmd, cmd_len, data, NULL, data_len);  in spi_flash_cmd_write()