[U-Boot] [PATCH 4/8] power: axp209: Define the chip version mask

[Olliver Schinagl]

Use a define for the chip version mask on the axp209.

Signed-off-by: Olliver Schinagl <oliver at 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