[U-Boot] [PATCH v3 4/9] power: axp209: Define the chip version mask

[Priit Laes]

From: Olliver Schinagl <oliver at schinagl.nl>

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

Signed-off-by: Olliver Schinagl <oliver at schinagl.nl>
Signed-off-by: Priit Laes <plaes at plaes.org>
Acked-by: Maxime Ripard <maxime.ripard at bootlin.com>
---
 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 6de5ec6..e13c762 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 3a4fc28..43e3873 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)
-- 
git-series 0.9.1