From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Wed, 16 Jan 2013 13:53:51 +0000 (+0100)
Subject: mfd: twl-core: No need to check for invalid subchip ID
X-Git-Tag: v3.9-rc1~92^2~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=050cde1363a3fc59f2a2f1cac6ef050393a00c99;p=platform%2Fkernel%2Flinux-exynos.git

mfd: twl-core: No need to check for invalid subchip ID

The module id table no longer can have invalid/unused entries.
No need for checking the ID for validity.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index b781cdd..fa1a5a0 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -72,7 +72,6 @@
 #define SUB_CHIP_ID1 1
 #define SUB_CHIP_ID2 2
 #define SUB_CHIP_ID3 3
-#define SUB_CHIP_ID_INVAL 0xff
 
 /* Base Address defns for twl4030_map[] */
 
@@ -326,12 +325,8 @@ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+
 	sid = twl_map[mod_no].sid;
-	if (unlikely(sid == SUB_CHIP_ID_INVAL)) {
-		pr_err("%s: module %d is not part of the pmic\n",
-		       DRIVER_NAME, mod_no);
-		return -EINVAL;
-	}
 	twl = &twl_modules[sid];
 
 	ret = regmap_bulk_write(twl->regmap, twl_map[mod_no].base + reg,
@@ -368,12 +363,8 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes)
 		pr_err("%s: not initialized\n", DRIVER_NAME);
 		return -EPERM;
 	}
+
 	sid = twl_map[mod_no].sid;
-	if (unlikely(sid == SUB_CHIP_ID_INVAL)) {
-		pr_err("%s: module %d is not part of the pmic\n",
-		       DRIVER_NAME, mod_no);
-		return -EINVAL;
-	}
 	twl = &twl_modules[sid];
 
 	ret = regmap_bulk_read(twl->regmap, twl_map[mod_no].base + reg,