Adds register access helper functions for M10BMC.
m10bmc_raw_update_bits() uses to update m10bmc register
bits per addr.
m10bmc_sys_update_bits() uses to update m10bmc system
register bits per offset.
Signed-off-by: Tianfei Zhang <tianfei.zhang@xxxxxxxxx>
---
include/linux/mfd/intel-m10-bmc.h | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/include/linux/mfd/intel-m10-bmc.h b/include/linux/mfd/intel-m10-bmc.h
index f0044b14136e..8e434886a5a1 100644
--- a/include/linux/mfd/intel-m10-bmc.h
+++ b/include/linux/mfd/intel-m10-bmc.h
@@ -133,6 +133,8 @@ struct intel_m10bmc {
*
* m10bmc_raw_read - read m10bmc register per addr
* m10bmc_sys_read - read m10bmc system register per offset
+ * m10bmc_raw_update_bits - update m10bmc register bits per addr
+ * m10bmc_sys_update_bits - update m10bmc system register bits per offset
*/
static inline int
m10bmc_raw_read(struct intel_m10bmc *m10bmc, unsigned int addr,
@@ -148,6 +150,20 @@ m10bmc_raw_read(struct intel_m10bmc *m10bmc, unsigned int addr,
return ret;
}
+static inline int
+m10bmc_raw_update_bits(struct intel_m10bmc *m10bmc, unsigned int addr,
+ unsigned int msk, unsigned int val)
+{
+ int ret;
+
+ ret = regmap_update_bits(m10bmc->regmap, addr, msk, val);
+ if (ret)
+ dev_err(m10bmc->dev, "fail to update reg bits %x: %d\n",
+ addr, ret);
+
+ return ret;
+}
+
/*
* The base of the system registers could be configured by HW developers, and
* in HW SPEC, the base is not added to the addresses of the system registers.
@@ -158,5 +174,7 @@ m10bmc_raw_read(struct intel_m10bmc *m10bmc, unsigned int addr,
*/
#define m10bmc_sys_read(m10bmc, offset, val) \
m10bmc_raw_read(m10bmc, M10BMC_SYS_BASE + (offset), val)
+#define m10bmc_sys_update_bits(m10bmc, offset, msk, val) \
+ m10bmc_raw_update_bits(m10bmc, M10BMC_SYS_BASE + (offset), msk, val)
#endif /* __MFD_INTEL_M10_BMC_H */
--
2.26.2
