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 <[email protected]> Signed-off-by: Stephen Boyd <[email protected]> --- drivers/mfd/ssbi.c | 13 +++++++++++++ include/linux/ssbi.h | 3 +++ 2 files changed, 16 insertions(+) diff --git a/drivers/mfd/ssbi.c b/drivers/mfd/ssbi.c index b78942e..c5d270f 100644 --- a/drivers/mfd/ssbi.c +++ b/drivers/mfd/ssbi.c @@ -269,6 +269,19 @@ int ssbi_write(struct device *dev, u16 addr, const u8 *buf, int len) } EXPORT_SYMBOL_GPL(ssbi_write); +int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val) +{ + *val = 0; + return ssbi_read(context, reg, (u8 *)val, 1); +} +EXPORT_SYMBOL_GPL(ssbi_reg_read); + +int ssbi_reg_write(void *context, unsigned int reg, unsigned int val) +{ + return ssbi_write(context, reg, (u8 *)&val, 1); +} +EXPORT_SYMBOL_GPL(ssbi_reg_write); + static int ssbi_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; diff --git a/include/linux/ssbi.h b/include/linux/ssbi.h index bcbb642..b862f3d 100644 --- a/include/linux/ssbi.h +++ b/include/linux/ssbi.h @@ -20,4 +20,7 @@ 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); +int ssbi_reg_read(void *context, unsigned int reg, unsigned int *val); +int ssbi_reg_write(void *context, unsigned int reg, unsigned int val); + #endif -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
