lkml.org 
[lkml]   [2014]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] mfd: arizona: Mark DSP clocking register as volatile
Date
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>
---
drivers/mfd/wm5102-tables.c | 1 +
drivers/mfd/wm5110-tables.c | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 187ee86..a856ac7 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -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:
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 178e041..1942b6f 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -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);
--
1.7.2.5


\
 
 \ /
  Last update: 2014-03-20 18:21    [W:0.659 / U:0.024 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site