linux-kernel - [PATCH 1/2] MFD: twl-regulator: define all feature flags in one place.

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Message-ID: <20120508194359.31629.43495.stgit@notabene.brown>
Date:	Wed, 09 May 2012 05:43:59 +1000
From:	NeilBrown <neilb@...e.de>
To:	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, NeilBrown <neilb@...e.de>
Subject: [PATCH 1/2] MFD: twl-regulator: define all feature flags in one place.

twl-regulator has a collection of feature flags, some defined
in twl-core.c and  one defined in i2c/twl.h.
This is confusing for anyone adding a new feature flag.

So collect them together and place them in twl.h immediately
after the structure in which they are initially set.

Signed-off-by: NeilBrown <neilb@...e.de>
---

 drivers/mfd/twl-core.c  |    7 -------
 include/linux/i2c/twl.h |    8 ++++++--
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 7c2267e..6fc90be 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -224,13 +224,6 @@
 #define HIGH_PERF_SQ			(1 << 3)
 #define CK32K_LOWPWR_EN			(1 << 7)
 
-
-/* chip-specific feature flags, for i2c_device_id.driver_data */
-#define TWL4030_VAUX2		BIT(0)	/* pre-5030 voltage ranges */
-#define TPS_SUBSET		BIT(1)	/* tps659[23]0 have fewer LDOs */
-#define TWL5031			BIT(2)  /* twl5031 has different registers */
-#define TWL6030_CLASS		BIT(3)	/* TWL6030 class */
-
 /*----------------------------------------------------------------------*/
 
 /* is driver active, bound to a chip? */
diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index 1f90de0..d1afedc 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -171,8 +171,6 @@ static inline int twl_class_is_ ##class(void)	\
 TWL_CLASS_IS(4030, TWL4030_CLASS_ID)
 TWL_CLASS_IS(6030, TWL6030_CLASS_ID)
 
-#define TWL6025_SUBCLASS	BIT(4)  /* TWL6025 has changed registers */
-
 /*
  * Read and write single 8-bit registers
  */
@@ -746,6 +744,12 @@ struct twl_regulator_driver_data {
 	void		*data;
 	unsigned long	features;
 };
+/* chip-specific feature flags, for twl_regulator_driver_data.features */
+#define TWL4030_VAUX2		BIT(0)	/* pre-5030 voltage ranges */
+#define TPS_SUBSET		BIT(1)	/* tps659[23]0 have fewer LDOs */
+#define TWL5031			BIT(2)  /* twl5031 has different registers */
+#define TWL6030_CLASS		BIT(3)	/* TWL6030 class */
+#define TWL6025_SUBCLASS	BIT(4)  /* TWL6025 has changed registers */
 
 /*----------------------------------------------------------------------*/
 


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