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SubjectRe: [PATCH v4 08/11] thermal: sun8i: support ahb clocks
On Sun, Jun 23, 2019 at 12:42:03PM -0400, Yangtao Li wrote:
> H3 has extra clock, so introduce something in ths_thermal_chip/ths_device
> and adds the process of the clock.
>
> This is pre-work for supprt it.
>
> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
> ---
> drivers/thermal/sun8i_thermal.c | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_thermal.c
> index ed1c19bb27cf..04f53ffb6a14 100644
> --- a/drivers/thermal/sun8i_thermal.c
> +++ b/drivers/thermal/sun8i_thermal.c
> @@ -54,6 +54,7 @@ struct tsensor {
> };
>
> struct ths_thermal_chip {
> + bool has_ahb_clk;
> int sensor_num;
> int offset;
> int scale;
> @@ -69,6 +70,7 @@ struct ths_device {
> struct regmap *regmap;
> struct reset_control *reset;
> struct clk *bus_clk;
> + struct clk *ahb_clk;

Hmm, thinking a bit about this, the name of those two clocks doesn't
make sense. AHB is the bus being used to access that device, so the
bus clock is the AHB clock.

What is that clock being used for?

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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