From 0cc9d08d3dca174ee712044e299732f26fdab22d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 27 Jan 2013 12:07:23 +0800 Subject: [PATCH] mfd: wm5102: Mark DSP memory regions as volatile and readable We can cache some of them but this is simpler for now. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz --- 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 74f9853..6655c9e 100644 --- a/drivers/mfd/wm5102-tables.c +++ b/drivers/mfd/wm5102-tables.c @@ -1826,7 +1826,13 @@ 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; } } -- 2.7.4