mfd: wm5102: Mark only extant DSP registers volatile
Since regmap sometimes uses volatile as a proxy for readable simply
having a blanket condition can mark too many registers as readable.
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 1133a64..ee0a109 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -1831,9 +1831,6 @@
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:
@@ -1878,7 +1875,13 @@
case ARIZONA_MIC_DETECT_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;
}
}