/* * PCM179X ASoC SPI driver * * Copyright (c) Amarula Solutions B.V. 2013 * * Michael Trimarchi * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include #include #include #include #include "pcm179x.h" static int pcm179x_spi_probe(struct spi_device *spi) { struct regmap *regmap; int ret; regmap = devm_regmap_init_spi(spi, &pcm179x_regmap_config); if (IS_ERR(regmap)) { ret = PTR_ERR(regmap); dev_err(&spi->dev, "Failed to allocate regmap: %d\n", ret); return ret; } return pcm179x_common_init(&spi->dev, regmap); } static int pcm179x_spi_remove(struct spi_device *spi) { return pcm179x_common_exit(&spi->dev); } static const struct of_device_id pcm179x_of_match[] = { { .compatible = "ti,pcm1792a", }, { } }; MODULE_DEVICE_TABLE(of, pcm179x_of_match); static const struct spi_device_id pcm179x_spi_ids[] = { { "pcm179x", 0 }, { }, }; MODULE_DEVICE_TABLE(spi, pcm179x_spi_ids); static struct spi_driver pcm179x_spi_driver = { .driver = { .name = "pcm179x", .of_match_table = of_match_ptr(pcm179x_of_match), }, .id_table = pcm179x_spi_ids, .probe = pcm179x_spi_probe, .remove = pcm179x_spi_remove, }; module_spi_driver(pcm179x_spi_driver); MODULE_DESCRIPTION("ASoC PCM179X SPI driver"); MODULE_AUTHOR("Michael Trimarchi "); MODULE_LICENSE("GPL"); ols/net/bpf_dbg.c?h=nds-private-remove&id=433e19cf33d34bb6751c874a9c00980552fe508c'>treecommitdiff
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authorDexuan Cui <decui@microsoft.com>2017-01-28 11:46:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-31 10:59:48 +0100
commit433e19cf33d34bb6751c874a9c00980552fe508c (patch)
treece6547ef2987fbb289fa28f03536328a42781651 /tools/net/bpf_dbg.c
parent191e885a2e130e639bb0c8ee350d7047294f2ce6 (diff)
Drivers: hv: vmbus: finally fix hv_need_to_signal_on_read()
Commit a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") added the proper mb(), but removed the test "prev_write_sz < pending_sz" when making the signal decision. As a result, the guest can signal the host unnecessarily, and then the host can throttle the guest because the host thinks the guest is buggy or malicious; finally the user running stress test can perceive intermittent freeze of the guest. This patch brings back the test, and properly handles the in-place consumption APIs used by NetVSC (see get_next_pkt_raw(), put_pkt_raw() and commit_rd_index()). Fixes: a389fcfd2cb5 ("Drivers: hv: vmbus: Fix signaling logic in hv_need_to_signal_on_read()") Signed-off-by: Dexuan Cui <decui@microsoft.com> Reported-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Tested-by: Rolf Neugebauer <rolf.neugebauer@docker.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: <stable@vger.kernel.org> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/net/bpf_dbg.c')