[PATCH] mailbox: stm32_ipcc: Convert to use APIs which support live DT

[Patrice CHOTARD]

Hi Patrick

On 9/9/20 5:48 PM, Patrick Delaunay wrote:
> Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the
> driver can support live DT.
>
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> ---
>
>  drivers/mailbox/stm32-ipcc.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/mailbox/stm32-ipcc.c b/drivers/mailbox/stm32-ipcc.c
> index b8bf356b4a..81a4115986 100644
> --- a/drivers/mailbox/stm32-ipcc.c
> +++ b/drivers/mailbox/stm32-ipcc.c
> @@ -101,9 +101,8 @@ static int stm32_ipcc_probe(struct udevice *dev)
>  {
>  	struct stm32_ipcc *ipcc = dev_get_priv(dev);
>  	fdt_addr_t addr;
> -	const fdt32_t *cell;
>  	struct clk clk;
> -	int len, ret;
> +	int ret;
>  
>  	debug("%s(dev=%p)\n", __func__, dev);
>  
> @@ -114,14 +113,12 @@ static int stm32_ipcc_probe(struct udevice *dev)
>  	ipcc->reg_base = (void __iomem *)addr;
>  
>  	/* proc_id */
> -	cell = dev_read_prop(dev, "st,proc_id", &len);
> -	if (len < sizeof(fdt32_t)) {
> +	ret = dev_read_u32_index(dev, "st,proc_id", 1, &ipcc->proc_id);
> +	if (ret) {
>  		dev_dbg(dev, "Missing st,proc_id\n");
>  		return -EINVAL;
>  	}
>  
> -	ipcc->proc_id = fdtdec_get_number(cell, 1);
> -
>  	if (ipcc->proc_id >= STM32_MAX_PROCS) {
>  		dev_err(dev, "Invalid proc_id (%d)\n", ipcc->proc_id);
>  		return -EINVAL;

Reviewed-by: Patrice Chotard <patrice.chotard at st.com>

Thanks