/* * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved. * * Authors: Shlomi Gridish * Li Yang * * Description: * Internal header file for UCC unit routines. * * 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. */ #ifndef __UCC_H__ #define __UCC_H__ #include #include #define STATISTICS #define UCC_MAX_NUM 8 /* Slow or fast type for UCCs. */ enum ucc_speed_type { UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX, UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX }; /* ucc_set_type * Sets UCC to slow or fast mode. * * ucc_num - (In) number of UCC (0-7). * speed - (In) slow or fast mode for UCC. */ int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed); int ucc_set_qe_mux_mii_mng(unsigned int ucc_num); int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock, enum comm_dir mode); int ucc_set_tdm_rxtx_clk(unsigned int tdm_num, enum qe_clock clock, enum comm_dir mode); int ucc_set_tdm_rxtx_sync(unsigned int tdm_num, enum qe_clock clock, enum comm_dir mode); int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask); /* QE MUX clock routing for UCC */ static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set) { return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT); } static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set) { return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA); } static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set) { return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT); } #endif /* __UCC_H__ */ a class='active' href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/clock/efm32-cmu.h?id=7a7b5df84b6b4e5d599c7289526eed96541a0654'>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 /include/dt-bindings/clock/efm32-cmu.h
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 'include/dt-bindings/clock/efm32-cmu.h')