summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorOlliver Schinagl <oliver@schinagl.nl>2018-11-21 20:05:28 +0200
committerJagan Teki <jagan@amarulasolutions.com>2018-12-07 22:24:33 +0530
commitf5eebc792559d33ddf973f640f7570d042e3bbe8 (patch)
tree0ebdc76297fb1975ff6b72cfde204b352a281e09
parent048447ce4a365d7ab24fba0900f192fc7166975d (diff)
power: axp209: Define the chip version mask
Use a define for the chip version mask on the axp209. Signed-off-by: Olliver Schinagl <oliver@schinagl.nl> Signed-off-by: Priit Laes <plaes@plaes.org> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
-rw-r--r--drivers/power/axp209.c5
-rw-r--r--include/axp209.h2
2 files changed, 3 insertions, 4 deletions
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c
index 6de5ec6825..e13c762a81 100644
--- a/drivers/power/axp209.c
+++ b/drivers/power/axp209.c
@@ -153,10 +153,7 @@ int axp_init(void)
if (rc)
return rc;
- /* Low 4 bits is chip version */
- ver &= 0x0f;
-
- if (ver != 0x1)
+ if ((ver & AXP209_CHIP_VERSION_MASK) != 0x1)
return -EINVAL;
/* Mask all interrupts */
diff --git a/include/axp209.h b/include/axp209.h
index 3a4fc28196..43e3873e24 100644
--- a/include/axp209.h
+++ b/include/axp209.h
@@ -25,6 +25,8 @@ enum axp209_reg {
#define AXP209_POWER_STATUS_ON_BY_DC BIT(0)
#define AXP209_POWER_STATUS_VBUS_USABLE BIT(4)
+#define AXP209_CHIP_VERSION_MASK 0x0f
+
#define AXP209_OUTPUT_CTRL_EXTEN BIT(0)
#define AXP209_OUTPUT_CTRL_DCDC3 BIT(1)
#define AXP209_OUTPUT_CTRL_LDO2 BIT(2)