On Tuesday 18 of June 2013 19:41:07 Tomasz Figa wrote:
> PWM channel 4 (logically channel 5 in TCON register) has its autoreload
> bit located at different position. This patch fixes the driver to
> account for this.
> 
> This fixes a problem with clocksource hanging after it overflows because
> it is not reloaded any more.
> 
> Signed-off-by: Tomasz Figa <[email protected]>
> ---
>  drivers/clocksource/samsung_pwm_timer.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/clocksource/samsung_pwm_timer.c
> b/drivers/clocksource/samsung_pwm_timer.c index 2977043..6af178f 100644
> --- a/drivers/clocksource/samsung_pwm_timer.c
> +++ b/drivers/clocksource/samsung_pwm_timer.c
> @@ -47,7 +47,8 @@
>  #define TCON_START(chan)             (1 << (4 * (chan) + 0))
>  #define TCON_MANUALUPDATE(chan)              (1 << (4 * (chan) + 1))
>  #define TCON_INVERT(chan)            (1 << (4 * (chan) + 2))
> -#define TCON_AUTORELOAD(chan)                (1 << (4 * (chan) + 3))
> +#define TCON_AUTORELOAD(chan)                (1 << (4 * (chan) \
> +                                             + (((chan) < 5) ? 3 : 2)))
> 
>  DEFINE_SPINLOCK(samsung_pwm_lock);
>  EXPORT_SYMBOL(samsung_pwm_lock);

Ping.

Best regards,
Tomasz

--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to