57 static int spi_wait ( struct spi_device *device ) {  in spi_wait()  argument
58 	struct spi_bus *bus = device->bus;  in spi_wait()
65 		if ( ( rc = bus->rw ( bus, device, SPI_RDSR, -1, NULL,  in spi_wait()
71 	DBG ( "SPI %p timed out\n", device );  in spi_wait()
86 	struct spi_device *device = nvs_to_spi ( nvs );  in spi_read()  local
87 	struct spi_bus *bus = device->bus;  in spi_read()
89 					     device->munge_address );  in spi_read()
92 	DBG ( "SPI %p reading %zd bytes from %#04x\n", device, len, address );  in spi_read()
93 	if ( ( rc = bus->rw ( bus, device, command, address,  in spi_read()
95 		DBG ( "SPI %p failed to read data from device\n", device );  in spi_read()
113 	struct spi_device *device = nvs_to_spi ( nvs );  in spi_write()  local
114 	struct spi_bus *bus = device->bus;  in spi_write()
116 					     device->munge_address );  in spi_write()
119 	DBG ( "SPI %p writing %zd bytes to %#04x\n", device, len, address );  in spi_write()
121 	if ( ( rc = bus->rw ( bus, device, SPI_WREN, -1,  in spi_write()
123 		DBG ( "SPI %p failed to write-enable device\n", device );  in spi_write()
127 	if ( ( rc = bus->rw ( bus, device, command, address,  in spi_write()
129 		DBG ( "SPI %p failed to write data to device\n", device );  in spi_write()
133 	if ( ( rc = spi_wait ( device ) ) != 0 ) {  in spi_write()
134 		DBG ( "SPI %p failed to complete write operation\n", device );  in spi_write()