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>

1 files changed, 3 insertions, 0 deletions

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: