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ec14d90dee
Up to now tps65912_device_exit() returns zero unconditionally. Make it return void instead which makes it easier to see in the callers that there is no error to handle. Also the return value of i2c and spi remove callbacks is ignored anyway. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20211012153945.2651412-11-u.kleine-koenig@pengutronix.de
81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
/*
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* SPI access driver for TI TPS65912x PMICs
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
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* Andrew F. Davis <afd@ti.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether expressed or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License version 2 for more details.
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*
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* Based on the TPS65218 driver and the previous TPS65912 driver by
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* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
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*/
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <linux/spi/spi.h>
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#include <linux/mfd/tps65912.h>
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static const struct of_device_id tps65912_spi_of_match_table[] = {
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{ .compatible = "ti,tps65912", },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(of, tps65912_spi_of_match_table);
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static int tps65912_spi_probe(struct spi_device *spi)
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{
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struct tps65912 *tps;
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tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
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if (!tps)
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return -ENOMEM;
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spi_set_drvdata(spi, tps);
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tps->dev = &spi->dev;
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tps->irq = spi->irq;
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tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
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if (IS_ERR(tps->regmap)) {
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dev_err(tps->dev, "Failed to initialize register map\n");
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return PTR_ERR(tps->regmap);
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}
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return tps65912_device_init(tps);
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}
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static int tps65912_spi_remove(struct spi_device *spi)
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{
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struct tps65912 *tps = spi_get_drvdata(spi);
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tps65912_device_exit(tps);
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return 0;
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}
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static const struct spi_device_id tps65912_spi_id_table[] = {
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{ "tps65912", 0 },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
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static struct spi_driver tps65912_spi_driver = {
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.driver = {
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.name = "tps65912",
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.of_match_table = tps65912_spi_of_match_table,
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},
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.probe = tps65912_spi_probe,
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.remove = tps65912_spi_remove,
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.id_table = tps65912_spi_id_table,
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};
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module_spi_driver(tps65912_spi_driver);
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MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
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MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
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MODULE_LICENSE("GPL v2");
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