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pwm: lpss: Add a comment to the bypass field

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Add a comment to the bypass field based on the commit b997e3edca
("pwm: lpss: Set enable-bit before waiting for update-bit
to go low").

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Andy Shevchenko 2022-09-27 19:24:21 +03:00 committed by Thierry Reding
parent 4fdb3281bb
commit d632e86435
1 changed files with 5 additions and 0 deletions
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5
drivers/pwm/pwm-lpss.h
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@ -25,6 +25,11 @@ struct pwm_lpss_boardinfo {
unsigned long clk_rate;
unsigned int npwm;
unsigned long base_unit_bits;
/*
* Some versions of the IP may stuck in the state machine if enable
* bit is not set, and hence update bit will show busy status till
* the reset. For the rest it may be otherwise.
*/
bool bypass;
/*
* On some devices the _PS0/_PS3 AML code of the GPU (GFX0) device