[U-Boot] [PATCH 2/2] rockchip: Drop call to rockchip_dnl_mode_check() for now[Please note, mail behalf by 3vnmnxammciszqnjoyvtpbt.vynrlcly.fhunyvjr-jopwz.jvt at chromium-sendgmr.bounces.google.com]

Philipp Tomsich philipp.tomsich at theobroma-systems.com
Thu Jan 3 21:36:23 UTC 2019



> On 03.01.2019, at 22:29, Simon Glass <sjg at chromium.org> wrote:
> 
> Hi,
> 
> On Thu, 3 Jan 2019 at 00:32, Kever Yang <kever.yang at rock-chips.com <mailto:kever.yang at rock-chips.com>> wrote:
>> 
>> Hi Simon,
>> 
>> 
>> On 12/29/2018 09:16 PM, Simon Glass wrote:
>>> This function causes a 5-second delay and stops the display working on
>>> minnie.
>> 
>> I don't understand why need 5-second, the logic is to check the adc key
>> press to decide the mode, maybe because the different usage of the adc
>> in minnie?
>> 
>> Most of boards(which do not have ec like chromebook) need this check to
>> get into download mode.
>> I would prefer chrombook to implement a function to replace the week
>> rockchip_dnl_mode_check();
> 
> But where is it specified in the DT that it uses the ADC for this
> feature? It really should have a driver…

3 things:
	a.	It really should have a driver.
	b.	One does not have to replace rockchip_dnl_mode_check(), as there
		already is logic to remove it if CONFIG_ROCKCHIP_BOOT_MODE_REG
		is set to 0 in the config.
	c.	We really need to get away from configuring magic addresses via Kconfig. 


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