Groups > linux.kernel > #1203843

Re: [PATCH] thermal: rockhip: fix setting thermal shutdown polarity

From	Caesar Wang <wxt@rock-chips.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH] thermal: rockhip: fix setting thermal shutdown polarity
Date	2015-08-10 08:50 +0200
Message-ID	<pVOUy-6bs-23@gated-at.bofh.it> (permalink)
References	<pUX3Q-2XA-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

Dear Dmitry,

Thanks to work for it.

在 2015年08月08日 05:00, Dmitry Torokhov 写道:
> When requested thermal shutdown signal polarity is low we need to make
> sure that the bit representing high level of signal is reset, and not
> set all other bits in that register.
>
> Also rename TSADCV2_INT_PD_CLEAR to TSADCV2_INT_PD_CLEAR_MASK to better
> reflect its nature.
>
> Signed-off-by: Dmitry Torokhov <dtor@chromium.org>

  Acked-by: Caesar Wang <wxt@rock-chips.com>

--
Thanks,
Caesar

> ---
>   drivers/thermal/rockchip_thermal.c | 10 ++++------
>   1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
> index 93ee307..4d5b7d4 100644
> --- a/drivers/thermal/rockchip_thermal.c
> +++ b/drivers/thermal/rockchip_thermal.c
> @@ -106,16 +106,14 @@ struct rockchip_thermal_data {
>   #define TSADCV2_AUTO_PERIOD_HT			0x6c
>   
>   #define TSADCV2_AUTO_EN				BIT(0)
> -#define TSADCV2_AUTO_DISABLE			~BIT(0)
>   #define TSADCV2_AUTO_SRC_EN(chn)		BIT(4 + (chn))
>   #define TSADCV2_AUTO_TSHUT_POLARITY_HIGH	BIT(8)
> -#define TSADCV2_AUTO_TSHUT_POLARITY_LOW		~BIT(8)
>   
>   #define TSADCV2_INT_SRC_EN(chn)			BIT(chn)
>   #define TSADCV2_SHUT_2GPIO_SRC_EN(chn)		BIT(4 + (chn))
>   #define TSADCV2_SHUT_2CRU_SRC_EN(chn)		BIT(8 + (chn))
>   
> -#define TSADCV2_INT_PD_CLEAR			~BIT(8)
> +#define TSADCV2_INT_PD_CLEAR_MASK		~BIT(8)
>   
>   #define TSADCV2_DATA_MASK			0xfff
>   #define TSADCV2_HIGHT_INT_DEBOUNCE_COUNT	4
> @@ -244,10 +242,10 @@ static void rk_tsadcv2_initialize(void __iomem *regs,
>   				  enum tshut_polarity tshut_polarity)
>   {
>   	if (tshut_polarity == TSHUT_HIGH_ACTIVE)
> -		writel_relaxed(0 | (TSADCV2_AUTO_TSHUT_POLARITY_HIGH),
> +		writel_relaxed(0U | TSADCV2_AUTO_TSHUT_POLARITY_HIGH,
>   			       regs + TSADCV2_AUTO_CON);
>   	else
> -		writel_relaxed(0 | (TSADCV2_AUTO_TSHUT_POLARITY_LOW),
> +		writel_relaxed(0U & ~TSADCV2_AUTO_TSHUT_POLARITY_HIGH,
>   			       regs + TSADCV2_AUTO_CON);
>   
>   	writel_relaxed(TSADCV2_AUTO_PERIOD_TIME, regs + TSADCV2_AUTO_PERIOD);
> @@ -264,7 +262,7 @@ static void rk_tsadcv2_irq_ack(void __iomem *regs)
>   	u32 val;
>   
>   	val = readl_relaxed(regs + TSADCV2_INT_PD);
> -	writel_relaxed(val & TSADCV2_INT_PD_CLEAR, regs + TSADCV2_INT_PD);
> +	writel_relaxed(val & TSADCV2_INT_PD_CLEAR_MASK, regs + TSADCV2_INT_PD);
>   }
>   
>   static void rk_tsadcv2_control(void __iomem *regs, bool enable)


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread

Thread

[PATCH] thermal: rockhip: fix setting thermal shutdown polarity Dmitry Torokhov <dtor@chromium.org> - 2015-08-07 23:10 +0200
  Re: [PATCH] thermal: rockhip: fix setting thermal shutdown polarity Caesar Wang <wxt@rock-chips.com> - 2015-08-10 08:40 +0200
  Re: [PATCH] thermal: rockhip: fix setting thermal shutdown polarity Caesar Wang <wxt@rock-chips.com> - 2015-08-10 08:50 +0200

csiph-web