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 (file)
--- 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,