/* * include/media/i2c/lm3560.h * * Copyright (C) 2013 Texas Instruments * * Contact: Daniel Jeong * Ldd-Mlp * * 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. * * 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., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA * */ #ifndef __LM3560_H__ #define __LM3560_H__ #include #define LM3560_NAME "lm3560" #define LM3560_I2C_ADDR (0x53) /* FLASH Brightness * min 62500uA, step 62500uA, max 1000000uA */ #define LM3560_FLASH_BRT_MIN 62500 #define LM3560_FLASH_BRT_STEP 62500 #define LM3560_FLASH_BRT_MAX 1000000 #define LM3560_FLASH_BRT_uA_TO_REG(a) \ ((a) < LM3560_FLASH_BRT_MIN ? 0 : \ (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP)) #define LM3560_FLASH_BRT_REG_TO_uA(a) \ ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN) /* FLASH TIMEOUT DURATION * min 32ms, step 32ms, max 1024ms */ #define LM3560_FLASH_TOUT_MIN 32 #define LM3560_FLASH_TOUT_STEP 32 #define LM3560_FLASH_TOUT_MAX 1024 #define LM3560_FLASH_TOUT_ms_TO_REG(a) \ ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \ (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP)) #define LM3560_FLASH_TOUT_REG_TO_ms(a) \ ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN) /* TORCH BRT * min 31250uA, step 31250uA, max 250000uA */ #define LM3560_TORCH_BRT_MIN 31250 #define LM3560_TORCH_BRT_STEP 31250 #define LM3560_TORCH_BRT_MAX 250000 #define LM3560_TORCH_BRT_uA_TO_REG(a) \ ((a) < LM3560_TORCH_BRT_MIN ? 0 : \ (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP)) #define LM3560_TORCH_BRT_REG_TO_uA(a) \ ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN) enum lm3560_led_id { LM3560_LED0 = 0, LM3560_LED1, LM3560_LED_MAX }; enum lm3560_peak_current { LM3560_PEAK_1600mA = 0x00, LM3560_PEAK_2300mA = 0x20, LM3560_PEAK_3000mA = 0x40, LM3560_PEAK_3600mA = 0x60 }; /* struct lm3560_platform_data * * @peak : peak current * @max_flash_timeout: flash timeout * @max_flash_brt: flash mode led brightness * @max_torch_brt: torch mode led brightness */ struct lm3560_platform_data { enum lm3560_peak_current peak; u32 max_flash_timeout; u32 max_flash_brt[LM3560_LED_MAX]; u32 max_torch_brt[LM3560_LED_MAX]; }; #endif /* __LM3560_H__ */ author'>author
path: root/drivers/usb/phy/phy-am335x-control.c
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authorTejun Heo <tj@kernel.org>2017-01-26 16:47:28 -0500
committerTejun Heo <tj@kernel.org>2017-01-26 16:47:28 -0500
commit07cd12945551b63ecb1a349d50a6d69d1d6feb4a (patch)
tree75f65eba7eac9277971082a2d5a4cf1370562c0c /drivers/usb/phy/phy-am335x-control.c
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
cgroup: don't online subsystems before cgroup_name/path() are operational
While refactoring cgroup creation, a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") incorrectly onlined subsystems before the new cgroup is associated with it kernfs_node. This is fine for cgroup proper but cgroup_name/path() depend on the associated kernfs_node and if a subsystem makes the new cgroup_subsys_state visible, which they're allowed to after onlining, it can lead to NULL dereference. The current code performs cgroup creation and subsystem onlining in cgroup_create() and cgroup_mkdir() makes the cgroup and subsystems visible afterwards. There's no reason to online the subsystems early and we can simply drop cgroup_apply_control_enable() call from cgroup_create() so that the subsystems are onlined and made visible at the same time. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Fixes: a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") Cc: stable@vger.kernel.org # v4.6+
Diffstat (limited to 'drivers/usb/phy/phy-am335x-control.c')