[U-Boot] [PATCH] db410c: set clk node to be probed before relocation
Jorge Ramirez-Ortiz
jramirez at baylibre.com
Wed Apr 18 10:15:36 UTC 2018
On 04/18/2018 09:02 AM, Jorge Ramirez-Ortiz wrote:
> On 04/17/2018 02:01 PM, Ramon Fried wrote:
>> The clock node is used by the serial driver and it's needed
>> before relocation.
>> This patch ensures that the msm-serial driver can actually
>> use the clock node.
>>
>> Signed-off-by: Ramon Fried <ramon.fried at linaro.org>
>> ---
>> arch/arm/dts/dragonboard410c.dts | 2 ++
>> 1 file changed, 2 insertions(+)
>>
>> diff --git a/arch/arm/dts/dragonboard410c.dts
>> b/arch/arm/dts/dragonboard410c.dts
>> index 5ccfe7f8c8..f37ef5d523 100644
>> --- a/arch/arm/dts/dragonboard410c.dts
>> +++ b/arch/arm/dts/dragonboard410c.dts
>> @@ -38,12 +38,14 @@
>> #size-cells = <0x1>;
>> ranges = <0x0 0x0 0x0 0xffffffff>;
>> compatible = "simple-bus";
>> + u-boot,dm-pre-reloc;
>
> I think the intent is to make dm-pre-reloc legacy.
> New platforms should be using "u-boot,dm-spl" even if CONFIG_SPL_BUILD
> is not enabled (I believe it should work)
>
>> clkc: qcom,gcc at 1800000 {
>> compatible = "qcom,gcc-apq8016";
>> reg = <0x1800000 0x80000>;
>> #address-cells = <0x1>;
>> #size-cells = <0x0>;
>> + u-boot,dm-pre-reloc;
>> };
>> serial at 78b0000 {
>
another question is, how will you probe the clock driver before the uart?
I think even if you probed in misc_init_f it is already too late.
other than that - + Peter Robinson's comments- looks good.
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