X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=drivers%2Fpower%2Fpower_spi.c;h=1eaf9773ef8b35aa93a472575e46254462a7ba63;hb=1099b2abef35c3c887f6afac1a8ef18c7924d5d2;hp=1e554461f30706f091d788a1032f56808154c54d;hpb=5b471dee99a9dab381110060054e6b52e87f210a;p=oweals%2Fu-boot.git

diff --git a/drivers/power/power_spi.c b/drivers/power/power_spi.c
index 1e554461f3..1eaf9773ef 100644
--- a/drivers/power/power_spi.c
+++ b/drivers/power/power_spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2011 Samsung Electronics
  * Lukasz Majewski <l.majewski@samsung.com>
@@ -6,8 +7,6 @@
  * Stefano Babic, DENX Software Engineering, sbabic@denx.de
  *
  * (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -27,14 +26,14 @@ static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
 					p->hw.spi.mode);
 
 		if (!slave)
-			return -1;
+			return -ENODEV;
 	}
 
 	if (check_reg(p, reg))
-		return -1;
+		return -EINVAL;
 
 	if (spi_claim_bus(slave))
-		return -1;
+		return -EBUSY;
 
 	pmic_tx = p->hw.spi.prepare_tx(reg, val, write);
 
@@ -59,21 +58,15 @@ static u32 pmic_reg(struct pmic *p, u32 reg, u32 *val, u32 write)
 
 err:
 	spi_release_bus(slave);
-	return -1;
+	return -ENOTSUPP;
 }
 
 int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
 {
-	if (pmic_reg(p, reg, &val, 1))
-		return -1;
-
-	return 0;
+	return pmic_reg(p, reg, &val, 1);
 }
 
 int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
 {
-	if (pmic_reg(p, reg, val, 0))
-		return -1;
-
-	return 0;
+	return pmic_reg(p, reg, val, 0);
 }