/* * Copyright (C) 2008 Oracle. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License v2 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. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #ifndef __BTRFS_LOCKING_ #define __BTRFS_LOCKING_ #define BTRFS_WRITE_LOCK 1 #define BTRFS_READ_LOCK 2 #define BTRFS_WRITE_LOCK_BLOCKING 3 #define BTRFS_READ_LOCK_BLOCKING 4 void btrfs_tree_lock(struct extent_buffer *eb); void btrfs_tree_unlock(struct extent_buffer *eb); void btrfs_tree_read_lock(struct extent_buffer *eb); void btrfs_tree_read_unlock(struct extent_buffer *eb); void btrfs_tree_read_unlock_blocking(struct extent_buffer *eb); void btrfs_set_lock_blocking_rw(struct extent_buffer *eb, int rw); void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, int rw); void btrfs_assert_tree_locked(struct extent_buffer *eb); int btrfs_try_tree_read_lock(struct extent_buffer *eb); int btrfs_try_tree_write_lock(struct extent_buffer *eb); int btrfs_tree_read_lock_atomic(struct extent_buffer *eb); static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw) { if (rw == BTRFS_WRITE_LOCK || rw == BTRFS_WRITE_LOCK_BLOCKING) btrfs_tree_unlock(eb); else if (rw == BTRFS_READ_LOCK_BLOCKING) btrfs_tree_read_unlock_blocking(eb); else if (rw == BTRFS_READ_LOCK) btrfs_tree_read_unlock(eb); else BUG(); } static inline void btrfs_set_lock_blocking(struct extent_buffer *eb) { btrfs_set_lock_blocking_rw(eb, BTRFS_WRITE_LOCK); } static inline void btrfs_clear_lock_blocking(struct extent_buffer *eb) { btrfs_clear_lock_blocking_rw(eb, BTRFS_WRITE_LOCK_BLOCKING); } #endif 01277d33e8fc87c9d60c9a'>commitdiff
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authorVenkat Reddy Talla <vreddytalla@nvidia.com>2016-11-17 23:24:35 +0530
committerMark Brown <broonie@kernel.org>2016-11-23 16:27:24 +0000
commit383d0fca7035a12f1201277d33e8fc87c9d60c9a (patch)
treebb12c78d91ab8d69ae18fbbf4033277481b277ad /net/rose/Makefile
parent9a40cb0cb8b55ecfdcd3cec1381bcc46ec488588 (diff)
regulator: max77620: add support to configure MPOK
Adding support to configure regulator POK mapping bit to control nRST_IO and GPIO1 POK function. In tegra based platform which uses MAX20024 pmic, when some of regulators are configured FPS_NONE(flexible power sequencer) causes PMIC GPIO1 to go low which lead to various other rails turning off, to avoid this MPOK bit of those regulators need to be set to 0 so that PMIC GPIO1 will not go low. Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'net/rose/Makefile')