diff options
| author | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2021-06-28 15:56:01 +0300 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2021-07-16 10:28:46 +0300 |
| commit | e00e1f394c8cb7476fe6c1abce54674b75336b70 (patch) | |
| tree | 2c8e052c084fce2772d4cb4944013785c2a7a8a2 /arch/arm/mach-stm32mp | |
| parent | 3da2552a22580d5cb703bce9f07f1444136589a3 (diff) | |
| download | u-boot-e00e1f394c8cb7476fe6c1abce54674b75336b70.tar.xz | |
stm32mp: cmd_stm32key: add get_misc_dev function
Add a helper function to access to BSEC misc driver.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com>
Diffstat (limited to 'arch/arm/mach-stm32mp')
| -rw-r--r-- | arch/arm/mach-stm32mp/cmd_stm32key.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/arch/arm/mach-stm32mp/cmd_stm32key.c b/arch/arm/mach-stm32mp/cmd_stm32key.c index c4cb6342fa..886c52794f 100644 --- a/arch/arm/mach-stm32mp/cmd_stm32key.c +++ b/arch/arm/mach-stm32mp/cmd_stm32key.c @@ -14,6 +14,17 @@ #define STM32_OTP_HASH_KEY_START 24 #define STM32_OTP_HASH_KEY_SIZE 8 +static int get_misc_dev(struct udevice **dev) +{ + int ret; + + ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(stm32mp_bsec), dev); + if (ret) + log_err("Can't find stm32mp_bsec driver\n"); + + return ret; +} + static void read_hash_value(u32 addr) { int i; @@ -31,13 +42,9 @@ static int fuse_hash_value(u32 addr, bool print) u32 word, val; int i, ret; - ret = uclass_get_device_by_driver(UCLASS_MISC, - DM_DRIVER_GET(stm32mp_bsec), - &dev); - if (ret) { - log_err("Can't find stm32mp_bsec driver\n"); + ret = get_misc_dev(&dev); + if (ret) return ret; - } for (i = 0, word = STM32_OTP_HASH_KEY_START; i < STM32_OTP_HASH_KEY_SIZE; |