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mfd: arizona: Mark DSP clocking register as volatile 

The DSPs will often control there own clock speeds whilst running as
such we should mark the registers controlling this as volatile.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Charles Keepax 2014-03-20 16:49:24 +00:00 committed by Lee Jones
parent 5de5b2d5b8
commit a0eae337cf
2 changed files with 5 additions and 0 deletions
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1
drivers/mfd/wm5102-tables.c
View File

@ -1925,6 +1925,7 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_AOD_IRQ1:
case ARIZONA_AOD_IRQ2:
case ARIZONA_AOD_IRQ_RAW_STATUS:
case ARIZONA_DSP1_CLOCKING_1:
case ARIZONA_DSP1_STATUS_1:
case ARIZONA_DSP1_STATUS_2:
case ARIZONA_DSP1_STATUS_3:

4
drivers/mfd/wm5110-tables.c
View File

@ -2652,6 +2652,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_DSP1_SCRATCH_1:
case ARIZONA_DSP1_SCRATCH_2:
case ARIZONA_DSP1_SCRATCH_3:
case ARIZONA_DSP1_CLOCKING_1:
case ARIZONA_DSP2_STATUS_1:
case ARIZONA_DSP2_STATUS_2:
case ARIZONA_DSP2_STATUS_3:
@ -2680,6 +2681,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_DSP2_SCRATCH_1:
case ARIZONA_DSP2_SCRATCH_2:
case ARIZONA_DSP2_SCRATCH_3:
case ARIZONA_DSP2_CLOCKING_1:
case ARIZONA_DSP3_STATUS_1:
case ARIZONA_DSP3_STATUS_2:
case ARIZONA_DSP3_STATUS_3:
@ -2708,6 +2710,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_DSP3_SCRATCH_1:
case ARIZONA_DSP3_SCRATCH_2:
case ARIZONA_DSP3_SCRATCH_3:
case ARIZONA_DSP3_CLOCKING_1:
case ARIZONA_DSP4_STATUS_1:
case ARIZONA_DSP4_STATUS_2:
case ARIZONA_DSP4_STATUS_3:
@ -2736,6 +2739,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
case ARIZONA_DSP4_SCRATCH_1:
case ARIZONA_DSP4_SCRATCH_2:
case ARIZONA_DSP4_SCRATCH_3:
case ARIZONA_DSP4_CLOCKING_1:
return true;
default:
return wm5110_is_adsp_memory(dev, reg);