Use a define for the chip version mask on the axp209.
Signed-off-by: Olliver Schinagl <oli...@schinagl.nl>
---
drivers/power/axp209.c | 5 +----
include/axp209.h | 2 ++
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c
index 731b75e50a..d496f675a1 100644
--- a/drivers/power/axp209.c
+++ b/drivers/power/axp209.c
@@ -154,10 +154,7 @@ 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 -1;
/* Mask all interrupts */
diff --git a/include/axp209.h b/include/axp209.h
index 7803300328..51d2e88dd2 100644
--- a/include/axp209.h
+++ b/include/axp209.h
@@ -26,6 +26,8 @@ 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)
--
2.11.0
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