Hello,
On Thu, Oct 20, 2022 at 04:16:07PM +0100, Ben Dooks wrote:
> Add a configurable clock base rate for the pwm as when being built
> for non-PCI the block may be sourced from an internal clock.
>
> Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxx>
> ---
> v6:
> - removed DWC_CLK_PERIOD_NS as it is now not needed
> v4:
> - moved earlier before the of changes to make the of changes one patch
> v2:
> - removed the ifdef and merged the other clock patch in here
> ---
> drivers/pwm/pwm-dwc-pci.c | 1 +
> drivers/pwm/pwm-dwc.c | 10 ++++++----
> drivers/pwm/pwm-dwc.h | 3 ++-
> 3 files changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/pwm/pwm-dwc-pci.c b/drivers/pwm/pwm-dwc-pci.c
> index 2213d0e7f3c8..949423e368f9 100644
> --- a/drivers/pwm/pwm-dwc-pci.c
> +++ b/drivers/pwm/pwm-dwc-pci.c
> @@ -20,6 +20,7 @@
> #include <linux/pci.h>
> #include <linux/pm_runtime.h>
> #include <linux/pwm.h>
> +#include <linux/clk.h>
>
> #include "pwm-dwc.h"
>
I assume this is only needed because pwm-dwc.h now uses struct clk.
Maybe just add
struct clk;
to the pwm-dwc.h instead of this hunk?
> [...]
> diff --git a/drivers/pwm/pwm-dwc.h b/drivers/pwm/pwm-dwc.h
> index 68f98eb76152..dc451cb2eff5 100644
> --- a/drivers/pwm/pwm-dwc.h
> +++ b/drivers/pwm/pwm-dwc.h
> @@ -22,7 +22,6 @@
> #define DWC_TIMERS_COMP_VERSION 0xac
>
> #define DWC_TIMERS_TOTAL 8
> -#define DWC_CLK_PERIOD_NS 10
>
> /* Timer Control Register */
> #define DWC_TIM_CTRL_EN BIT(0)
> @@ -41,6 +40,8 @@ struct dwc_pwm_ctx {
> struct dwc_pwm {
> struct pwm_chip chip;
> void __iomem *base;
> + struct clk *clk;
This is unsed, please add it in the patch that makes use of it.
> + unsigned int clk_ns;
> struct dwc_pwm_ctx ctx[DWC_TIMERS_TOTAL];
> };
> #define to_dwc_pwm(p) (container_of((p), struct dwc_pwm, chip))
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | https://www.pengutronix.de/ |
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