1 // SPDX-License-Identifier: GPL-2.0-only
3  * Samsung LSI S5C73M3 8M pixel camera driver
5  * Copyright (C) 2012, Samsung Electronics, Co., Ltd.
6  * Sylwester Nawrocki <s.nawrocki@samsung.com>
7  * Andrzej Hajda <a.hajda@samsung.com>
16 #include <linux/spi/spi.h>
20 #define S5C73M3_SPI_DRV_NAME "S5C73M3-SPI"
23 	{ .compatible = "samsung,s5c73m3" },
48 		pr_err("SPI device is uninitialized\n");  in spi_xmit()
49 		return -ENODEV;  in spi_xmit()
57 		dev_err(&spi_dev->dev, "%s spi_sync failed %d\n", __func__, r);  in spi_xmit()
65 	struct spi_device *spi_dev = state->spi_dev;  in s5c73m3_spi_write()
93 	struct spi_device *spi_dev = state->spi_dev;  in s5c73m3_spi_read()
112 static int s5c73m3_spi_probe(struct spi_device *spi)  in s5c73m3_spi_probe()  argument
115 	struct s5c73m3 *state = container_of(spi->dev.driver, struct s5c73m3,  in s5c73m3_spi_probe()
117 	spi->bits_per_word = 32;  in s5c73m3_spi_probe()
119 	r = spi_setup(spi);  in s5c73m3_spi_probe()
121 		dev_err(&spi->dev, "spi_setup() failed\n");  in s5c73m3_spi_probe()
125 	mutex_lock(&state->lock);  in s5c73m3_spi_probe()
126 	state->spi_dev = spi;  in s5c73m3_spi_probe()
127 	mutex_unlock(&state->lock);  in s5c73m3_spi_probe()
129 	v4l2_info(&state->sensor_sd, "S5C73M3 SPI probed successfully\n");  in s5c73m3_spi_probe()
133 static int s5c73m3_spi_remove(struct spi_device *spi)  in s5c73m3_spi_remove()  argument
140 	struct spi_driver *spidrv = &state->spidrv;  in s5c73m3_register_spi_driver()
142 	spidrv->remove = s5c73m3_spi_remove;  in s5c73m3_register_spi_driver()
143 	spidrv->probe = s5c73m3_spi_probe;  in s5c73m3_register_spi_driver()
144 	spidrv->driver.name = S5C73M3_SPI_DRV_NAME;  in s5c73m3_register_spi_driver()
145 	spidrv->driver.of_match_table = s5c73m3_spi_ids;  in s5c73m3_register_spi_driver()
152 	spi_unregister_driver(&state->spidrv);  in s5c73m3_unregister_spi_driver()