/* * dmaengine.c - Samsung dmaengine wrapper * * Author: Mark Brown * Copyright 2013 Linaro * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. * * 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 #include #include "dma.h" int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter, const char *tx, const char *rx) { unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT; struct snd_dmaengine_pcm_config *pcm_conf; pcm_conf = devm_kzalloc(dev, sizeof(*pcm_conf), GFP_KERNEL); if (!pcm_conf) return -ENOMEM; pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; pcm_conf->compat_filter_fn = filter; pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx; pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx; return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags); } EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register); MODULE_AUTHOR("Mark Brown "); MODULE_DESCRIPTION("Samsung dmaengine ASoC driver"); MODULE_LICENSE("GPL"); git/?h=nds-private-remove'>summaryrefslogtreecommitdiff
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authorJiri Slaby <jslaby@suse.cz>2016-12-19 16:23:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-20 09:48:47 -0800
commit1b011e2f13fcf37e1e577fed25b295808d6c83b9 (patch)
tree50bb2b58757f3c578f40dec19c2b42a8d6bc534d /drivers/usb/chipidea
parent4983f0ab7ffaad1e534b21975367429736475205 (diff)
ratelimit: fix WARN_ON_RATELIMIT return value
The macro is to be used similarly as WARN_ON as: if (WARN_ON_RATELIMIT(condition, state)) do_something(); One would expect only 'condition' to affect the 'if', but WARN_ON_RATELIMIT does internally only: WARN_ON((condition) && __ratelimit(state)) So the 'if' is affected by the ratelimiting state too. Fix this by returning 'condition' in any case. Note that nobody uses WARN_ON_RATELIMIT yet, so there is nothing to worry about. But I was about to use it and was a bit surprised. Link: http://lkml.kernel.org/r/20161215093224.23126-1-jslaby@suse.cz Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/usb/chipidea')