/* * Jack-detection handling for HD-audio * * Copyright (c) 2011 Takashi Iwai * * This driver 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. */ #ifndef __SOUND_HDA_JACK_H #define __SOUND_HDA_JACK_H #include struct auto_pin_cfg; struct hda_jack_tbl; struct hda_jack_callback; typedef void (*hda_jack_callback_fn) (struct hda_codec *, struct hda_jack_callback *); struct hda_jack_callback { hda_nid_t nid; hda_jack_callback_fn func; unsigned int private_data; /* arbitrary data */ struct hda_jack_callback *next; }; struct hda_jack_tbl { hda_nid_t nid; unsigned char tag; /* unsol event tag */ struct hda_jack_callback *callback; /* jack-detection stuff */ unsigned int pin_sense; /* cached pin-sense value */ unsigned int jack_detect:1; /* capable of jack-detection? */ unsigned int jack_dirty:1; /* needs to update? */ unsigned int phantom_jack:1; /* a fixed, always present port? */ unsigned int block_report:1; /* in a transitional state - do not report to userspace */ hda_nid_t gating_jack; /* valid when gating jack plugged */ hda_nid_t gated_jack; /* gated is dependent on this jack */ int type; struct snd_jack *jack; }; struct hda_jack_tbl * snd_hda_jack_tbl_get(struct hda_codec *codec, hda_nid_t nid); struct hda_jack_tbl * snd_hda_jack_tbl_get_from_tag(struct hda_codec *codec, unsigned char tag); void snd_hda_jack_tbl_clear(struct hda_codec *codec); void snd_hda_jack_set_dirty_all(struct hda_codec *codec); int snd_hda_jack_detect_enable(struct hda_codec *codec, hda_nid_t nid); struct hda_jack_callback * snd_hda_jack_detect_enable_callback(struct hda_codec *codec, hda_nid_t nid, hda_jack_callback_fn cb); int snd_hda_jack_set_gating_jack(struct hda_codec *codec, hda_nid_t gated_nid, hda_nid_t gating_nid); u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid); /* the jack state returned from snd_hda_jack_detect_state() */ enum { HDA_JACK_NOT_PRESENT, HDA_JACK_PRESENT, HDA_JACK_PHANTOM, }; int snd_hda_jack_detect_state(struct hda_codec *codec, hda_nid_t nid); /** * snd_hda_jack_detect - Detect the jack * @codec: the HDA codec * @nid: pin NID to check jack detection */ static inline bool snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid) { return snd_hda_jack_detect_state(codec, nid) != HDA_JACK_NOT_PRESENT; } bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid); int snd_hda_jack_add_kctl(struct hda_codec *codec, hda_nid_t nid, const char *name, bool phantom_jack); int snd_hda_jack_add_kctls(struct hda_codec *codec, const struct auto_pin_cfg *cfg); void snd_hda_jack_report_sync(struct hda_codec *codec); void snd_hda_jack_unsol_event(struct hda_codec *codec, unsigned int res); void snd_hda_jack_poll_all(struct hda_codec *codec); #endif /* __SOUND_HDA_JACK_H */ f'>build/Makefile.build
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authorSriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>2017-01-09 16:00:44 +0530
committerJ. Bruce Fields <bfields@redhat.com>2017-01-12 16:14:47 -0500
commitce1ca7d2d140a1f4aaffd297ac487f246963dd2f (patch)
tree5aeab5e0cb6ef404c894a18251588278b9432a2c /tools/build/Makefile.build
parent546125d1614264d26080817d0c8cddb9b25081fa (diff)
svcrdma: avoid duplicate dma unmapping during error recovery
In rdma_read_chunk_frmr() when ib_post_send() fails, the error code path invokes ib_dma_unmap_sg() to unmap the sg list. It then invokes svc_rdma_put_frmr() which in turn tries to unmap the same sg list through ib_dma_unmap_sg() again. This second unmap is invalid and could lead to problems when the iova being unmapped is subsequently reused. Remove the call to unmap in rdma_read_chunk_frmr() and let svc_rdma_put_frmr() handle it. Fixes: 412a15c0fe53 ("svcrdma: Port to new memory registration API") Cc: stable@vger.kernel.org Signed-off-by: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'tools/build/Makefile.build')