On Wed, Sep 4, 2013 at 9:53 AM, Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx> wrote: > On Exynos5440 and Exynos5420 there are registers common > across the TMU channels. > > To support that, we introduced a ADDRESS_MULTIPLE flag in the > driver and the 2nd set of register base and size are provided > in the "reg" property of the node. > > As per Amit's suggestion, this patch changes the base_common > to base_second and SHARED_MEMORY to ADDRESS_MULTIPLE. > > Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@xxxxxxxxxxx> The changes look good. For all the 3 patches in the series, Acked-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx> Reviewed-by: Amit Daniel Kachhap<amit.daniel@xxxxxxxxxxx> Thanks, Amit Daniel > --- > Changes since v2: > Changed the flag name from SHARED_MEMORY to ADDRESS_MULTIPLE. > https://lkml.org/lkml/2013/8/1/38 > > .../devicetree/bindings/thermal/exynos-thermal.txt | 4 ++-- > drivers/thermal/samsung/exynos_tmu.c | 12 ++++++------ > drivers/thermal/samsung/exynos_tmu.h | 4 ++-- > drivers/thermal/samsung/exynos_tmu_data.c | 2 +- > 4 files changed, 11 insertions(+), 11 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt > index 284f530..116cca0 100644 > --- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt > +++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt > @@ -11,8 +11,8 @@ > - reg : Address range of the thermal registers. For soc's which has multiple > instances of TMU and some registers are shared across all TMU's like > interrupt related then 2 set of register has to supplied. First set > - belongs to each instance of TMU and second set belongs to common TMU > - registers. > + belongs to each instance of TMU and second set belongs to second set > + of common TMU registers. > - interrupts : Should contain interrupt for thermal system > - clocks : The main clock for TMU device > - clock-names : Thermal system clock name > diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c > index d201ed8..3a55caf 100644 > --- a/drivers/thermal/samsung/exynos_tmu.c > +++ b/drivers/thermal/samsung/exynos_tmu.c > @@ -41,7 +41,7 @@ > * @id: identifier of the one instance of the TMU controller. > * @pdata: pointer to the tmu platform/configuration data > * @base: base address of the single instance of the TMU controller. > - * @base_common: base address of the common registers of the TMU controller. > + * @base_second: base address of the common registers of the TMU controller. > * @irq: irq number of the TMU controller. > * @soc: id of the SOC type. > * @irq_work: pointer to the irq work structure. > @@ -56,7 +56,7 @@ struct exynos_tmu_data { > int id; > struct exynos_tmu_platform_data *pdata; > void __iomem *base; > - void __iomem *base_common; > + void __iomem *base_second; > int irq; > enum soc_type soc; > struct work_struct irq_work; > @@ -297,7 +297,7 @@ skip_calib_data: > } > /*Clear the PMIN in the common TMU register*/ > if (reg->tmu_pmin && !data->id) > - writel(0, data->base_common + reg->tmu_pmin); > + writel(0, data->base_second + reg->tmu_pmin); > out: > clk_disable(data->clk); > mutex_unlock(&data->lock); > @@ -451,7 +451,7 @@ static void exynos_tmu_work(struct work_struct *work) > > /* Find which sensor generated this interrupt */ > if (reg->tmu_irqstatus) { > - val_type = readl(data->base_common + reg->tmu_irqstatus); > + val_type = readl(data->base_second + reg->tmu_irqstatus); > if (!((val_type >> data->id) & 0x1)) > goto out; > } > @@ -582,7 +582,7 @@ static int exynos_map_dt_data(struct platform_device *pdev) > * Check if the TMU shares some registers and then try to map the > * memory of common registers. > */ > - if (!TMU_SUPPORTS(pdata, SHARED_MEMORY)) > + if (!TMU_SUPPORTS(pdata, ADDRESS_MULTIPLE)) > return 0; > > if (of_address_to_resource(pdev->dev.of_node, 1, &res)) { > @@ -590,7 +590,7 @@ static int exynos_map_dt_data(struct platform_device *pdev) > return -ENODEV; > } > > - data->base_common = devm_ioremap(&pdev->dev, res.start, > + data->base_second = devm_ioremap(&pdev->dev, res.start, > resource_size(&res)); > if (!data->base) { > dev_err(&pdev->dev, "Failed to ioremap memory\n"); > diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h > index 7c6c34a..ebd2ec1 100644 > --- a/drivers/thermal/samsung/exynos_tmu.h > +++ b/drivers/thermal/samsung/exynos_tmu.h > @@ -59,7 +59,7 @@ enum soc_type { > * state(active/idle) can be checked. > * TMU_SUPPORT_EMUL_TIME - This features allows to set next temp emulation > * sample time. > - * TMU_SUPPORT_SHARED_MEMORY - This feature tells that the different TMU > + * TMU_SUPPORT_ADDRESS_MULTIPLE - This feature tells that the different TMU > * sensors shares some common registers. > * TMU_SUPPORT - macro to compare the above features with the supplied. > */ > @@ -69,7 +69,7 @@ enum soc_type { > #define TMU_SUPPORT_FALLING_TRIP BIT(3) > #define TMU_SUPPORT_READY_STATUS BIT(4) > #define TMU_SUPPORT_EMUL_TIME BIT(5) > -#define TMU_SUPPORT_SHARED_MEMORY BIT(6) > +#define TMU_SUPPORT_ADDRESS_MULTIPLE BIT(6) > > #define TMU_SUPPORTS(a, b) (a->features & TMU_SUPPORT_ ## b) > > diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c > index 23fea23..58570d0 100644 > --- a/drivers/thermal/samsung/exynos_tmu_data.c > +++ b/drivers/thermal/samsung/exynos_tmu_data.c > @@ -239,7 +239,7 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = { > .type = SOC_ARCH_EXYNOS5440, \ > .registers = &exynos5440_tmu_registers, \ > .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \ > - TMU_SUPPORT_MULTI_INST | TMU_SUPPORT_SHARED_MEMORY), > + TMU_SUPPORT_MULTI_INST | TMU_SUPPORT_ADDRESS_MULTIPLE), > > struct exynos_tmu_init_data const exynos5440_default_tmu_data = { > .tmu_data = { > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
