Re: [PATCH v7 12/24] pwm: jz4740: Use regmap and clocks from TCU driver

From: Thierry Reding
Date: Fri Oct 12 2018 - 06:40:05 EST


On Tue, Aug 21, 2018 at 07:16:23PM +0200, Paul Cercueil wrote:
> The ingenic-timer "TCU" driver provides us with a regmap, that we can
> use to safely access the TCU registers.
>
> It also provides us with clocks, that can be (un)gated, reparented or
> reclocked from devicetree, instead of having these settings hardcoded in
> this driver.
>
> While this driver is devicetree-compatible, it is never (as of now)
> probed from devicetree, so this change does not introduce a ABI problem
> with current devicetree files.
>
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
>
> Notes:
> v5: New patch
>
> v6: Drop requirement of probing from devicetree
>
> v7: No change
>
> drivers/pwm/Kconfig | 2 +
> drivers/pwm/pwm-jz4740.c | 124 +++++++++++++++++++++++++++++++----------------
> 2 files changed, 83 insertions(+), 43 deletions(-)
>
> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> index a4d262db9945..58359bf22b96 100644
> --- a/drivers/pwm/Kconfig
> +++ b/drivers/pwm/Kconfig
> @@ -202,6 +202,8 @@ config PWM_IMX
> config PWM_JZ4740
> tristate "Ingenic JZ47xx PWM support"
> depends on MACH_INGENIC
> + depends on COMMON_CLK
> + select INGENIC_TIMER
> help
> Generic PWM framework driver for Ingenic JZ47xx based
> machines.
> diff --git a/drivers/pwm/pwm-jz4740.c b/drivers/pwm/pwm-jz4740.c
> index a7b134af5e04..1bda8d8e9865 100644
> --- a/drivers/pwm/pwm-jz4740.c
> +++ b/drivers/pwm/pwm-jz4740.c
> @@ -14,21 +14,21 @@
> */
>
> #include <linux/clk.h>
> +#include <linux/clk-provider.h>

Why do you need this?

Thierry

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