From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Wed, 28 Nov 2012 19:04:16 +0000 (+0000)
Subject: mfd: wm5102: Mark DSP memory regions as volatile
X-Git-Tag: next-20121205~62^2~7
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=13ea5813238239930d12d28bd7504a3ac6ba14d1;p=karo-tx-linux.git

mfd: wm5102: Mark DSP memory regions as volatile

We can cache some of them but this is simpler for now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index fa91e25f1e55..ccbdd58cf9be 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -2330,6 +2330,9 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg)
 
 static bool wm5102_volatile_register(struct device *dev, unsigned int reg)
 {
+	if (reg > 0xffff)
+		return true;
+
 	switch (reg) {
 	case ARIZONA_SOFTWARE_RESET:
 	case ARIZONA_DEVICE_REVISION: