/* * Driver for ADAU1381/ADAU1781 CODEC * * Copyright 2014 Analog Devices Inc. * Author: Lars-Peter Clausen * * Licensed under the GPL-2. */ #include #include #include #include #include #include "adau1781.h" static void adau1781_spi_switch_mode(struct device *dev) { struct spi_device *spi = to_spi_device(dev); /* * To get the device into SPI mode CLATCH has to be pulled low three * times. Do this by issuing three dummy reads. */ spi_w8r8(spi, 0x00); spi_w8r8(spi, 0x00); spi_w8r8(spi, 0x00); } static int adau1781_spi_probe(struct spi_device *spi) { const struct spi_device_id *id = spi_get_device_id(spi); struct regmap_config config; if (!id) return -EINVAL; config = adau1781_regmap_config; config.val_bits = 8; config.reg_bits = 24; config.read_flag_mask = 0x1; return adau1781_probe(&spi->dev, devm_regmap_init_spi(spi, &config), id->driver_data, adau1781_spi_switch_mode); } static int adau1781_spi_remove(struct spi_device *spi) { adau17x1_remove(&spi->dev); return 0; } static const struct spi_device_id adau1781_spi_id[] = { { "adau1381", ADAU1381 }, { "adau1781", ADAU1781 }, { } }; MODULE_DEVICE_TABLE(spi, adau1781_spi_id); #if defined(CONFIG_OF) static const struct of_device_id adau1781_spi_dt_ids[] = { { .compatible = "adi,adau1381", }, { .compatible = "adi,adau1781", }, { }, }; MODULE_DEVICE_TABLE(of, adau1781_spi_dt_ids); #endif static struct spi_driver adau1781_spi_driver = { .driver = { .name = "adau1781", .of_match_table = of_match_ptr(adau1781_spi_dt_ids), }, .probe = adau1781_spi_probe, .remove = adau1781_spi_remove, .id_table = adau1781_spi_id, }; module_spi_driver(adau1781_spi_driver); MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC SPI driver"); MODULE_AUTHOR("Lars-Peter Clausen "); MODULE_LICENSE("GPL"); d599c7289526eed96541a0654'>commitdiff
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authorJohan Hovold <johan@kernel.org>2017-01-30 11:26:38 +0100
committerJiri Kosina <jkosina@suse.cz>2017-01-31 12:59:32 +0100
commit7a7b5df84b6b4e5d599c7289526eed96541a0654 (patch)
treecf7514c7ddf4410fe37ca9099a2785e1cf08fa7d /net/xfrm/xfrm_policy.c
parent877a021e08ccb6434718c0cc781fdf943c884cc0 (diff)
HID: cp2112: fix sleep-while-atomic
A recent commit fixing DMA-buffers on stack added a shared transfer buffer protected by a spinlock. This is broken as the USB HID request callbacks can sleep. Fix this up by replacing the spinlock with a mutex. Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable") Cc: stable <stable@vger.kernel.org> # 4.9 Signed-off-by: Johan Hovold <johan@kernel.org> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'net/xfrm/xfrm_policy.c')