linux-kernel - [PATCH 1/3] regmap: Allow ranges to be named

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Date:	Wed,  3 Oct 2012 13:42:59 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 1/3] regmap: Allow ranges to be named

For more useful diagnostics.

Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
 drivers/base/regmap/internal.h |    1 +
 drivers/base/regmap/regmap.c   |    1 +
 include/linux/regmap.h         |    4 ++++
 3 files changed, 6 insertions(+)

diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h
index 80f9ab9..27e66c3 100644
--- a/drivers/base/regmap/internal.h
+++ b/drivers/base/regmap/internal.h
@@ -120,6 +120,7 @@ int _regmap_write(struct regmap *map, unsigned int reg,
 
 struct regmap_range_node {
 	struct rb_node node;
+	const char *name;
 
 	unsigned int range_min;
 	unsigned int range_max;
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index 0544f63..ce5129d 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -579,6 +579,7 @@ struct regmap *regmap_init(struct device *dev,
 			goto err_range;
 		}
 
+		new->name = range_cfg->name;
 		new->range_min = range_cfg->range_min;
 		new->range_max = range_cfg->range_max;
 		new->selector_reg = range_cfg->selector_reg;
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index afc8e1a..9f228d7 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -142,6 +142,8 @@ struct regmap_config {
  *     1. page selector register update;
  *     2. access through data window registers.
  *
+ * @name: Descriptive name for diagnostics
+ *
  * @range_min: Address of the lowest register address in virtual range.
  * @range_max: Address of the highest register in virtual range.
  *
@@ -153,6 +155,8 @@ struct regmap_config {
  * @window_len: Number of registers in data window.
  */
 struct regmap_range_cfg {
+	const char *name;
+
 	/* Registers of virtual address range */
 	unsigned int range_min;
 	unsigned int range_max;
-- 
1.7.10.4

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