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Message-Id: <1357820332-14586-1-git-send-email-broonie@opensource.wolfsonmicro.com>
Date: Thu, 10 Jan 2013 12:18:44 +0000
From: Mark Brown <broonie@...nsource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@...ux.intel.com>
Cc: patches@...nsource.wolfsonmicro.com, linux-kernel@...r.kernel.org,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/9] 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 <broonie@...nsource.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
--
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