[PATCH v3 4/7] mfd: ssbi: Add regmap read/write helpers

Stephen Boyd
2014-01-08T18:37:47Z

Add read and write helper functions that the pm8921-core driver
can use to read and write ssbi regsiters via a "no-bus" regmap.

Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
---
include/linux/ssbi.h | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h
index bcbb642a7641..3ffc02e479d2 100644
--- a/include/linux/ssbi.h
+++ b/include/linux/ssbi.h
@@ -20,4 +20,17 @@
int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len);
int ssbi_read(struct device *dev, u16 addr, u8 *buf, int len);

+static inline int
+ssbi_reg_read(void *context, unsigned int reg, unsigned int *val)
+{
+ *val = 0;
+ return ssbi_read(context, reg, (u8 *)val, 1);
+}
+
+static inline int
+ssbi_reg_write(void *context, unsigned int reg, unsigned int val)
+{
+ return ssbi_write(context, reg, (u8 *)&val, 1);
+}
+
#endif
--
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