On 09-10-2013 08:08, Naveen Krishna Chatradhi 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 <[email protected]> > --- > Changes since v1: > None > Changes since v2: > Changed the flag name from SHARED_MEMORY to ADDRESS_MULTIPLE. > https://lkml.org/lkml/2013/8/1/38 > Changes since v3: > None
This patch generates build error:
CC [M] drivers/thermal/samsung/exynos_tmu.o
drivers/thermal/samsung/exynos_tmu.c: In function 'exynos_map_dt_data':
drivers/thermal/samsung/exynos_tmu.c:592:11: error: 'struct
exynos_tmu_data' has no member named 'base_common'
make[3]: *** [drivers/thermal/samsung/exynos_tmu.o] Error 1
make[2]: *** [drivers/thermal/samsung] Error 2
make[1]: *** [drivers/thermal] Error 2
make[1]: *** Waiting for unfinished jobs....
You've missed one occurrence while renaming the symbol:
diff --git a/drivers/thermal/samsung/exynos_tmu.c
b/drivers/thermal/samsung/exynos_tmu.c
index cd8dc12..ae80a87 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -589,7 +589,7 @@ static int exynos_map_dt_data(struct platform_device
*pdev)
data->base_second = devm_ioremap(&pdev->dev, res.start,
resource_size(&res));
- if (!data->base_common) {
+ if (!data->base_second) {
dev_err(&pdev->dev, "Failed to ioremap memory\n");
return -ENOMEM;
}
Please compile test your patch before submitting!
>
> .../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 af69209..40c4243 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;
> }
> @@ -576,7 +576,7 @@ 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)) {
> @@ -584,7 +584,7 @@ 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_common) {
> 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 = {
>
--
You have got to be excited about what you are doing. (L. Lamport)
Eduardo Valentin
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