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| author | Patrick Delaunay <patrick.delaunay@st.com> | 2019-08-02 13:08:03 +0200 |
|---|---|---|
| committer | Patrice Chotard <patrice.chotard@st.com> | 2019-08-27 11:19:23 +0200 |
| commit | 234a60244c62ffce5c5c1d5b80d200f4568c5cfd (patch) | |
| tree | 1cb48f4de3abda3055c59a67b89f97447be40008 /drivers/misc | |
| parent | 0c8620d2ffe1440165156c7a0d95424c7eabe60b (diff) | |
| download | u-boot-234a60244c62ffce5c5c1d5b80d200f4568c5cfd.tar.gz | |
pmu: stpmic1: change specific NVM api to MISC
Use MISC u-class to export the NVM register (starting at 0xF8 offset)
and avoid specific API.
- SHADOW have offset < 0.
- NVM have register > 0
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/stm32mp_fuse.c | 44 |
1 files changed, 40 insertions, 4 deletions
diff --git a/drivers/misc/stm32mp_fuse.c b/drivers/misc/stm32mp_fuse.c index a1a27d148a..0eed345973 100644 --- a/drivers/misc/stm32mp_fuse.c +++ b/drivers/misc/stm32mp_fuse.c @@ -40,8 +40,17 @@ int fuse_read(u32 bank, u32 word, u32 *val) #ifdef CONFIG_PMIC_STPMIC1 case STM32MP_NVM_BANK: + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stpmic1_nvm), + &dev); + if (ret) + return ret; *val = 0; - ret = stpmic1_shadow_read_byte(word, (u8 *)val); + ret = misc_read(dev, -word, val, 1); + if (ret != 1) + ret = -EINVAL; + else + ret = 0; break; #endif /* CONFIG_PMIC_STPMIC1 */ @@ -76,7 +85,16 @@ int fuse_prog(u32 bank, u32 word, u32 val) #ifdef CONFIG_PMIC_STPMIC1 case STM32MP_NVM_BANK: - ret = stpmic1_nvm_write_byte(word, (u8 *)&val); + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stpmic1_nvm), + &dev); + if (ret) + return ret; + ret = misc_write(dev, word, &val, 1); + if (ret != 1) + ret = -EINVAL; + else + ret = 0; break; #endif /* CONFIG_PMIC_STPMIC1 */ @@ -110,8 +128,17 @@ int fuse_sense(u32 bank, u32 word, u32 *val) #ifdef CONFIG_PMIC_STPMIC1 case STM32MP_NVM_BANK: + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stpmic1_nvm), + &dev); + if (ret) + return ret; *val = 0; - ret = stpmic1_nvm_read_byte(word, (u8 *)val); + ret = misc_read(dev, word, val, 1); + if (ret != 1) + ret = -EINVAL; + else + ret = 0; break; #endif /* CONFIG_PMIC_STPMIC1 */ @@ -146,7 +173,16 @@ int fuse_override(u32 bank, u32 word, u32 val) #ifdef CONFIG_PMIC_STPMIC1 case STM32MP_NVM_BANK: - ret = stpmic1_shadow_write_byte(word, (u8 *)&val); + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stpmic1_nvm), + &dev); + if (ret) + return ret; + ret = misc_write(dev, -word, &val, 1); + if (ret != 1) + ret = -EINVAL; + else + ret = 0; break; #endif /* CONFIG_PMIC_STPMIC1 */ |