diff options
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/intel-m10-bmc-core.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mfd/intel-m10-bmc-core.c b/drivers/mfd/intel-m10-bmc-core.c index dab1bb152fd6..51f865174796 100644 --- a/drivers/mfd/intel-m10-bmc-core.c +++ b/drivers/mfd/intel-m10-bmc-core.c @@ -12,6 +12,20 @@ #include <linux/mfd/intel-m10-bmc.h> #include <linux/module.h> +/* + * This function helps to simplify the accessing of the system registers. + * + * The base of the system registers is configured through the struct + * csr_map. + */ +int m10bmc_sys_read(struct intel_m10bmc *m10bmc, unsigned int offset, unsigned int *val) +{ + const struct m10bmc_csr_map *csr_map = m10bmc->info->csr_map; + + return m10bmc_raw_read(m10bmc, csr_map->base + offset, val); +} +EXPORT_SYMBOL_NS_GPL(m10bmc_sys_read, INTEL_M10_BMC_CORE); + int m10bmc_sys_update_bits(struct intel_m10bmc *m10bmc, unsigned int offset, unsigned int msk, unsigned int val) { |