RE: [PATCH 2/3] watchdog: s3c2410_wdt: add support for exynosautov920 SoC

From: 김태완
Date: Thu Oct 10 2024 - 04:19:38 EST


Hi,

Thank you for your review.
I will apply your point to v2 patch.

Best regards,
Taewan Kim.

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Sent: Monday, September 30, 2024 9:05 PM
> To: Taewan Kim <trunixs.kim@xxxxxxxxxxx>; Wim Van Sebroeck <wim@linux-
> watchdog.org>; Guenter Roeck <linux@xxxxxxxxxxxx>; Rob Herring
> <robh@xxxxxxxxxx>; Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>; Conor Dooley
> <conor+dt@xxxxxxxxxx>; Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> Cc: linux-watchdog@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linux-
> samsung-soc@xxxxxxxxxxxxxxx; Byoungtae Cho <bt.cho@xxxxxxxxxxx>
> Subject: Re: [PATCH 2/3] watchdog: s3c2410_wdt: add support for
> exynosautov920 SoC
>
> On 13/09/2024 10:03, Taewan Kim wrote:
> > From: Byoungtae Cho <bt.cho@xxxxxxxxxxx>
> >
> > Adds the compatibles and drvdata for the ExynosAuto V920 SoC. This SoC
> > is almost similar to ExynosAutoV9, but some CPU configurations are
> > quite different, so it should be added. Plus it also support DBGACK
> > like as
> > GS101 SoC.
> >
> > Signed-off-by: Byoungtae Cho <bt.cho@xxxxxxxxxxx>
> > Signed-off-by: Taewan Kim <trunixs.kim@xxxxxxxxxxx>
> > ---
> > drivers/watchdog/s3c2410_wdt.c | 37
> > +++++++++++++++++++++++++++++++++-
> > 1 file changed, 36 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/watchdog/s3c2410_wdt.c
> > b/drivers/watchdog/s3c2410_wdt.c index 686cf544d0ae..c25133348f0e
> > 100644
> > --- a/drivers/watchdog/s3c2410_wdt.c
> > +++ b/drivers/watchdog/s3c2410_wdt.c
> > @@ -63,6 +63,10 @@
> > #define EXYNOS850_CLUSTER1_NONCPU_INT_EN 0x1644
> > #define EXYNOSAUTOV9_CLUSTER1_NONCPU_OUT 0x1520
> > #define EXYNOSAUTOV9_CLUSTER1_NONCPU_INT_EN 0x1544
> > +#define EXYNOSAUTOV920_CLUSTER0_NONCPU_OUT 0x1420
> > +#define EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN 0x1444
> > +#define EXYNOSAUTOV920_CLUSTER1_NONCPU_OUT 0x1720
> > +#define EXYNOSAUTOV920_CLUSTER1_NONCPU_INT_EN 0x1744
> >
> > #define EXYNOS850_CLUSTER0_WDTRESET_BIT 24
> > #define EXYNOS850_CLUSTER1_WDTRESET_BIT 23
> > @@ -303,6 +307,32 @@ static const struct s3c2410_wdt_variant
> drv_data_gs101_cl1 = {
> > QUIRK_HAS_DBGACK_BIT,
> > };
> >
> > +static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl0 = {
> > + .mask_reset_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_INT_EN,
> > + .mask_bit = 2,
> > + .mask_reset_inv = true,
> > + .rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
> > + .rst_stat_bit = EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT,
> > + .cnt_en_reg = EXYNOSAUTOV920_CLUSTER0_NONCPU_OUT,
> > + .cnt_en_bit = 7,
> > + .quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
> > + QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
> > + QUIRK_HAS_DBGACK_BIT,
> > +};
> > +
> > +static const struct s3c2410_wdt_variant drv_data_exynosautov920_cl1 = {
> > + .mask_reset_reg = EXYNOSAUTOV920_CLUSTER1_NONCPU_INT_EN,
> > + .mask_bit = 2,
> > + .mask_reset_inv = true,
> > + .rst_stat_reg = EXYNOS5_RST_STAT_REG_OFFSET,
> > + .rst_stat_bit = EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT,
> > + .cnt_en_reg = EXYNOSAUTOV920_CLUSTER1_NONCPU_OUT,
> > + .cnt_en_bit = 7,
> > + .quirks = QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_PMU_MASK_RESET |
> > + QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN |
> > + QUIRK_HAS_DBGACK_BIT,
> > +};
> > +
> > static const struct of_device_id s3c2410_wdt_match[] = {
> > { .compatible = "google,gs101-wdt",
> > .data = &drv_data_gs101_cl0 },
> > @@ -320,6 +350,8 @@ static const struct of_device_id s3c2410_wdt_match[]
> = {
> > .data = &drv_data_exynos850_cl0 },
> > { .compatible = "samsung,exynosautov9-wdt",
> > .data = &drv_data_exynosautov9_cl0 },
> > + { .compatible = "samsung,exynosautov920-wdt",
> > + .data = &drv_data_exynosautov920_cl0},
>
> Missing space before }
>
> > {},
> > };
>
>
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
>
> Best regards,
> Krzysztof