From mboxrd@z Thu Jan 1 00:00:00 1970 From: wxt@rock-chips.com (Caesar Wang) Date: Mon, 10 Aug 2015 14:34:57 +0800 Subject: [PATCH] thermal: rockhip: fix setting thermal shutdown polarity In-Reply-To: <20150807210052.GA34032@dtor-ws> References: <20150807210052.GA34032@dtor-ws> Message-ID: <55C84611.10904@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Dear Dmitry, Thanks to work for it. ? 2015?08?08? 05:00, Dmitry Torokhov ??: > 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 Acked-by: Caesar Wang -- 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)