[PATCH 5/7] stm32mp: cmd_stm32key: add get_misc_dev function

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Original sender: patrick.delaunay at foss.st.com
Original delivery time: 28-Jun-2021 01:34 PM (UTC)
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This email is not from Hexagon’s Office 365 instance. Please be careful while clicking links, opening attachments, or replying to this email. Add a helper function to access to BSEC misc driver. Signed-off-by: Patrick Delaunay --- arch/arm/mach-stm32mp/cmd_stm32key.c | 19 +++++++++++++------ 1 file 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; -- 2.25.1