mfd: wm5102: Mark DSP memory regions as volatile
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Wed, 28 Nov 2012 19:04:16 +0000 (19:04 +0000)
committerSamuel Ortiz <sameo@linux.intel.com>
Fri, 30 Nov 2012 10:12:23 +0000 (11:12 +0100)
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>
drivers/mfd/wm5102-tables.c

index fa91e25..ccbdd58 100644 (file)
@@ -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: