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pwm: Add support to remove registered consumer lookup tables

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In case some drivers are unloading, they can remove lookup tables which
they had registered during their load time to avoid redundant entries if
loaded again.

CC: Samuel Ortiz <sameo@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Shobhit Kumar
2015-05-05 15:04:18 +05:30
committed by Thierry Reding
parent b787f68c36
commit efb0de55b6
2 changed files with 22 additions and 0 deletions
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5
include/linux/pwm.h
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@@ -290,10 +290,15 @@ struct pwm_lookup {
#if IS_ENABLED(CONFIG_PWM)
void pwm_add_table(struct pwm_lookup *table, size_t num);
void pwm_remove_table(struct pwm_lookup *table, size_t num);
#else
static inline void pwm_add_table(struct pwm_lookup *table, size_t num)
{
}
static inline void pwm_remove_table(struct pwm_lookup *table, size_t num)
{
}
#endif
#ifdef CONFIG_PWM_SYSFS