Re: [PATCH 01/10] thermal: exynos: remove unused struct exynos_tmu_registers entries

Amit Kachhap
2014-05-19T05:12:20Z

Hi Bartlomiej,

On 5/5/14, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> wrote:
> There should be no functional changes caused by this patch.
>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> ---
> drivers/thermal/samsung/exynos_tmu.h | 40
> -------------------------------
> drivers/thermal/samsung/exynos_tmu_data.c | 2 --
> drivers/thermal/samsung/exynos_tmu_data.h | 1 -
> 3 files changed, 43 deletions(-)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.h
> b/drivers/thermal/samsung/exynos_tmu.h
> index 3fb6554..80dc899 100644
> --- a/drivers/thermal/samsung/exynos_tmu.h
> +++ b/drivers/thermal/samsung/exynos_tmu.h
> @@ -82,8 +82,6 @@ enum soc_type {
> * @triminfo_25_shift: shift bit of the 25 C trim value in triminfo_data
> reg.
> * @triminfo_85_shift: shift bit of the 85 C trim value in triminfo_data
> reg.
> * @triminfo_ctrl: trim info controller register.
> - * @triminfo_reload_shift: shift of triminfo reload enable bit in
> triminfo_ctrl
> - reg.
> * @tmu_ctrl: TMU main controller register.
> * @test_mux_addr_shift: shift bits of test mux address.
> * @buf_vref_sel_shift: shift bits of reference voltage in tmu_ctrl
> register.
> @@ -98,27 +96,13 @@ enum soc_type {
> register.
> * @calib_mode_mask: mask bits of calibration mode value in tmu_ctrl
> register.
> - * @therm_trip_tq_en_shift: shift bits of thermal trip enable by TQ pin in
> - tmu_ctrl register.
> * @core_en_shift: shift bits of TMU core enable bit in tmu_ctrl register.
> * @tmu_status: register drescribing the TMU status.
> * @tmu_cur_temp: register containing the current temperature of the TMU.
> - * @tmu_cur_temp_shift: shift bits of current temp value in tmu_cur_temp
> - register.
> * @threshold_temp: register containing the base threshold level.
> * @threshold_th0: Register containing first set of rising levels.
> - * @threshold_th0_l0_shift: shift bits of level0 threshold temperature.
> - * @threshold_th0_l1_shift: shift bits of level1 threshold temperature.
> - * @threshold_th0_l2_shift: shift bits of level2 threshold temperature.
> - * @threshold_th0_l3_shift: shift bits of level3 threshold temperature.
> * @threshold_th1: Register containing second set of rising levels.
> - * @threshold_th1_l0_shift: shift bits of level0 threshold temperature.
> - * @threshold_th1_l1_shift: shift bits of level1 threshold temperature.
> - * @threshold_th1_l2_shift: shift bits of level2 threshold temperature.
> - * @threshold_th1_l3_shift: shift bits of level3 threshold temperature.
> * @threshold_th2: Register containing third set of rising levels.
> - * @threshold_th2_l0_shift: shift bits of level0 threshold temperature.
> - * @threshold_th3: Register containing fourth set of rising levels.
> * @threshold_th3_l0_shift: shift bits of level0 threshold temperature.
> * @tmu_inten: register containing the different threshold interrupt
> enable bits.
> @@ -131,15 +115,11 @@ enum soc_type {
> * @inten_rise2_shift: shift bits of rising 2 interrupt bits.
> * @inten_rise3_shift: shift bits of rising 3 interrupt bits.
> * @inten_fall0_shift: shift bits of falling 0 interrupt bits.
> - * @inten_fall1_shift: shift bits of falling 1 interrupt bits.
> - * @inten_fall2_shift: shift bits of falling 2 interrupt bits.
> - * @inten_fall3_shift: shift bits of falling 3 interrupt bits.
> * @tmu_intstat: Register containing the interrupt status values.
> * @tmu_intclear: Register for clearing the raised interrupt status.
> * @emul_con: TMU emulation controller register.
> * @emul_temp_shift: shift bits of emulation temperature.
> * @emul_time_shift: shift bits of emulation time.
> - * @emul_time_mask: mask bits of emulation time.
> * @tmu_irqstatus: register to find which TMU generated interrupts.
> * @tmu_pmin: register to get/set the Pmin value.

I prefer to have these register description as they describe the h/w
and are used for capturing those parameters. My argument here is that
adding new soc should have minimum changes. However some unused macros
removed below makes sense.
> */
> @@ -149,7 +129,6 @@ struct exynos_tmu_registers {
> u32 triminfo_85_shift;
>
> u32 triminfo_ctrl;
> - u32 triminfo_reload_shift;
>
> u32 tmu_ctrl;
> u32 test_mux_addr_shift;
> @@ -162,32 +141,17 @@ struct exynos_tmu_registers {
> u32 buf_slope_sel_mask;
> u32 calib_mode_shift;
> u32 calib_mode_mask;
> - u32 therm_trip_tq_en_shift;
> u32 core_en_shift;
>
> u32 tmu_status;
>
> u32 tmu_cur_temp;
> - u32 tmu_cur_temp_shift;
>
> u32 threshold_temp;
>
> u32 threshold_th0;
> - u32 threshold_th0_l0_shift;
> - u32 threshold_th0_l1_shift;
> - u32 threshold_th0_l2_shift;
> - u32 threshold_th0_l3_shift;
> -
> u32 threshold_th1;
> - u32 threshold_th1_l0_shift;
> - u32 threshold_th1_l1_shift;
> - u32 threshold_th1_l2_shift;
> - u32 threshold_th1_l3_shift;
> -
> u32 threshold_th2;
> - u32 threshold_th2_l0_shift;
> -
> - u32 threshold_th3;
> u32 threshold_th3_l0_shift;
>
> u32 tmu_inten;
> @@ -200,9 +164,6 @@ struct exynos_tmu_registers {
> u32 inten_rise2_shift;
> u32 inten_rise3_shift;
> u32 inten_fall0_shift;
> - u32 inten_fall1_shift;
> - u32 inten_fall2_shift;
> - u32 inten_fall3_shift;
>
> u32 tmu_intstat;
>
> @@ -211,7 +172,6 @@ struct exynos_tmu_registers {
> u32 emul_con;
> u32 emul_temp_shift;
> u32 emul_time_shift;
> - u32 emul_time_mask;
>
> u32 tmu_irqstatus;
> u32 tmu_pmin;
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c
> b/drivers/thermal/samsung/exynos_tmu_data.c
> index 476b768..36d64d6 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.c
> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
> @@ -96,7 +96,6 @@ static const struct exynos_tmu_registers
> exynos4412_tmu_registers = {
> .triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
> .triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
> .triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON,
> - .triminfo_reload_shift = EXYNOS_TRIMINFO_RELOAD_SHIFT,
> .tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
> .test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
> .buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
> @@ -126,7 +125,6 @@ static const struct exynos_tmu_registers
> exynos4412_tmu_registers = {
> .emul_con = EXYNOS_EMUL_CON,
> .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
> .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
> - .emul_time_mask = EXYNOS_EMUL_TIME_MASK,
Makes sense.
> };
>
> #define EXYNOS4412_TMU_DATA \
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h
> b/drivers/thermal/samsung/exynos_tmu_data.h
> index a1ea19d..06c4345 100644
> --- a/drivers/thermal/samsung/exynos_tmu_data.h
> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
> @@ -63,7 +63,6 @@
> #define EXYNOS_THD_TEMP_FALL 0x54
> #define EXYNOS_EMUL_CON 0x80
>
> -#define EXYNOS_TRIMINFO_RELOAD_SHIFT 1
make sense.

> #define EXYNOS_TRIMINFO_25_SHIFT 0
> #define EXYNOS_TRIMINFO_85_SHIFT 8
> #define EXYNOS_TMU_RISE_INT_MASK 0x111
> --
> 1.8.2.3
>
> --
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