Hi Patrick

One typo and one remark below

On 5/6/22 16:06, Patrick Delaunay wrote:
> Add stm32mp15x prefix to all STM32MP15x board specific function,
> this patch is a preliminary step for STM32MP13x support.
> 
> This patch also add the RCC probe to avoid circular access with

s/add/adds

> usbphyc probe as clk provider.
> 
> Signed-off-by: Patrick Delaunay <patrick.delau...@foss.st.com>
> ---
> 
>  board/st/stm32mp1/stm32mp1.c | 27 ++++++++++++++++++---------
>  1 file changed, 18 insertions(+), 9 deletions(-)
> 
> diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
> index fff1880e5b..4ba7201ffb 100644
> --- a/board/st/stm32mp1/stm32mp1.c
> +++ b/board/st/stm32mp1/stm32mp1.c
> @@ -547,8 +547,7 @@ static void sysconf_init(void)
>       clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
>  }
>  
> -/* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
> -static int dk2_i2c1_fix(void)
> +static int board_stm32mp15x_dk2_init(void)
>  {
>       ofnode node;
>       struct gpio_desc hdmi, audio;
> @@ -557,6 +556,7 @@ static int dk2_i2c1_fix(void)
>       if (!IS_ENABLED(CONFIG_DM_REGULATOR))
>               return -ENODEV;
>  
> +     /* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
>       node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
>       if (!ofnode_valid(node)) {
>               log_debug("no hdmi-transmitter@39 ?\n");
> @@ -604,7 +604,7 @@ error:
>       return ret;
>  }
>  
> -static bool board_is_dk2(void)
> +static bool board_is_stm32mp15x_dk2(void)
>  {
>       if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
>           of_machine_is_compatible("st,stm32mp157c-dk2"))
> @@ -613,7 +613,7 @@ static bool board_is_dk2(void)
>       return false;
>  }
>  
> -static bool board_is_ev1(void)
> +static bool board_is_stm32mp15x_ev1(void)
>  {
>       if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
>           (of_machine_is_compatible("st,stm32mp157a-ev1") ||
> @@ -637,7 +637,7 @@ U_BOOT_DRIVER(goodix) = {
>       .of_match       = goodix_ids,
>  };
>  
> -static void board_ev1_init(void)
> +static void board_stm32mp15x_ev1_init(void)
>  {
>       struct udevice *dev;
>  
> @@ -648,13 +648,22 @@ static void board_ev1_init(void)
>  /* board dependent setup after realloc */
>  int board_init(void)
>  {
> +     struct udevice *dev;
> +     int ret;
> +
> +     /* probe RCC to avoid circular access with usbphyc probe as clk 
> provider */
> +     if (IS_ENABLED(CONFIG_CLK_STM32MP13)) {
> +             ret = uclass_get_device_by_driver(UCLASS_CLK, 
> DM_DRIVER_GET(stm32mp1_clock), &dev);
> +             log_debug("Clock init failed: %d\n", ret);

I am wondering if usage of DM_FLAG_PROBE_AFTER_BIND in flag would avoid this 
above piece of code ?

> +     }
> +
>       board_key_check();
>  
> -     if (board_is_ev1())
> -             board_ev1_init();
> +     if (board_is_stm32mp15x_ev1())
> +             board_stm32mp15x_ev1_init();
>  
> -     if (board_is_dk2())
> -             dk2_i2c1_fix();
> +     if (board_is_stm32mp15x_dk2())
> +             board_stm32mp15x_dk2_init();
>  
>       if (IS_ENABLED(CONFIG_DM_REGULATOR))
>               regulators_enable_boot_on(_DEBUG);

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