[PATCH v3 10/11] phy: sun4i-usb: Replace types with explicit quirk flags

[Samuel Holland]

On 11/6/22 09:54, Icenowy Zheng wrote:
> 
> 
> 于 2022年11月6日 GMT+08:00 下午11:48:25, Andre Przywara <andre.przywara at arm.com> 写到:
>> So far we were assigning some crude "type" (SoC name, really) to each
>> Allwinner USB PHY model, then guarding certain quirks based on this.
>> This does not only look weird, but gets more or more cumbersome to
>> maintain.
>>
>> Remove the bogus type names altogether, instead introduce flags for each
>> quirk, and explicitly check for them.
>> This improves readability, and simplifies future extensions.
>>
>> Signed-off-by: Andre Przywara <andre.przywara at arm.com>
>> ---
>> drivers/phy/allwinner/phy-sun4i-usb.c | 50 ++++++++-------------------
>> 1 file changed, 15 insertions(+), 35 deletions(-)
>>
>> diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
>> index 51fb24c6dcb3..422129c66282 100644
>> --- a/drivers/phy/allwinner/phy-sun4i-usb.c
>> +++ b/drivers/phy/allwinner/phy-sun4i-usb.c
>> @@ -99,27 +99,17 @@
>> #define DEBOUNCE_TIME			msecs_to_jiffies(50)
>> #define POLL_TIME			msecs_to_jiffies(250)
>>
>> -enum sun4i_usb_phy_type {
>> -	sun4i_a10_phy,
>> -	sun6i_a31_phy,
>> -	sun8i_a33_phy,
>> -	sun8i_a83t_phy,
>> -	sun8i_h3_phy,
>> -	sun8i_r40_phy,
>> -	sun8i_v3s_phy,
>> -	sun50i_a64_phy,
>> -	sun50i_h6_phy,
>> -};
>> -
>> struct sun4i_usb_phy_cfg {
>> 	int num_phys;
>> 	int hsic_index;
>> -	enum sun4i_usb_phy_type type;
>> 	u32 disc_thresh;
>> 	u32 hci_phy_ctl_clear;
>> 	u8 phyctl_offset;
>> 	bool dedicated_clocks;
>> 	bool phy0_dual_route;
>> +	bool phy2_is_hsic;
> 
> Maybe use a `int hsic_phy` instead? But the problem is this practice is
> assuming USB0 could not be HSIC -- although USB0 is usually OTG.

There is already a `hsic_index` variable in the struct we can use.

Regards,
Samuel