lkml.org 
[lkml]   [2013]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 01/10] mfd: wm5102: Mark DSP memory regions as volatile and readable
Date
We can cache some of them but this is simpler for now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/mfd/wm5102-tables.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 088872a..4a01192 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1825,7 +1825,13 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
case ARIZONA_DSP1_STATUS_3:
return true;
default:
- return false;
+ if ((reg >= 0x100000 && reg < 0x106000) ||
+ (reg >= 0x180000 && reg < 0x180800) ||
+ (reg >= 0x190000 && reg < 0x194800) ||
+ (reg >= 0x1a8000 && reg < 0x1a9800))
+ return true;
+ else
+ return false;
}
}

--
1.7.10.4


\
 
 \ /
  Last update: 2013-01-27 05:41    [W:0.082 / U:1.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site