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ec0ad86817
With the goal of moving the core of the greybus code out of staging, the include files need to be moved to include/linux/greybus.h and include/linux/greybus/ Cc: Vaibhav Hiremath <hvaibhav.linux@gmail.com> Cc: Johan Hovold <johan@kernel.org> Cc: Vaibhav Agarwal <vaibhav.sr@gmail.com> Cc: Rui Miguel Silva <rmfrfs@gmail.com> Cc: David Lin <dtwlin@gmail.com> Cc: "Bryan O'Donoghue" <pure.logic@nexus-software.ie> Cc: greybus-dev@lists.linaro.org Cc: devel@driverdev.osuosl.org Acked-by: Mark Greer <mgreer@animalcreek.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Alex Elder <elder@kernel.org> Link: https://lore.kernel.org/r/20190825055429.18547-8-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* SPI bridge PHY driver.
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*
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* Copyright 2014-2016 Google Inc.
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* Copyright 2014-2016 Linaro Ltd.
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*/
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#include <linux/module.h>
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#include <linux/greybus.h>
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#include "gbphy.h"
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#include "spilib.h"
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static struct spilib_ops *spilib_ops;
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static int gb_spi_probe(struct gbphy_device *gbphy_dev,
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const struct gbphy_device_id *id)
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{
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struct gb_connection *connection;
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int ret;
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connection = gb_connection_create(gbphy_dev->bundle,
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le16_to_cpu(gbphy_dev->cport_desc->id),
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NULL);
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if (IS_ERR(connection))
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return PTR_ERR(connection);
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ret = gb_connection_enable(connection);
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if (ret)
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goto exit_connection_destroy;
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ret = gb_spilib_master_init(connection, &gbphy_dev->dev, spilib_ops);
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if (ret)
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goto exit_connection_disable;
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gb_gbphy_set_data(gbphy_dev, connection);
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gbphy_runtime_put_autosuspend(gbphy_dev);
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return 0;
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exit_connection_disable:
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gb_connection_disable(connection);
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exit_connection_destroy:
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gb_connection_destroy(connection);
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return ret;
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}
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static void gb_spi_remove(struct gbphy_device *gbphy_dev)
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{
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struct gb_connection *connection = gb_gbphy_get_data(gbphy_dev);
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int ret;
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ret = gbphy_runtime_get_sync(gbphy_dev);
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if (ret)
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gbphy_runtime_get_noresume(gbphy_dev);
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gb_spilib_master_exit(connection);
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gb_connection_disable(connection);
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gb_connection_destroy(connection);
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}
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static const struct gbphy_device_id gb_spi_id_table[] = {
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{ GBPHY_PROTOCOL(GREYBUS_PROTOCOL_SPI) },
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{ },
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};
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MODULE_DEVICE_TABLE(gbphy, gb_spi_id_table);
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static struct gbphy_driver spi_driver = {
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.name = "spi",
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.probe = gb_spi_probe,
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.remove = gb_spi_remove,
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.id_table = gb_spi_id_table,
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};
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module_gbphy_driver(spi_driver);
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MODULE_LICENSE("GPL v2");
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