lkml.org 
[lkml]   [2019]   [Mar]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3 07/12] phy: Add usb phy support for hi3660 Soc of Hisilicon
On Sat, Mar 2, 2019 at 11:06 AM Yu Chen <chenyu56@huawei.com> wrote:
>
> This driver handles usb phy power on and shutdown for hi3660 Soc of
> Hisilicon.

Few comments below. After fixing them, FWIW
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>

> +#define HI3660_USB_DEFAULT_PHY_PARAM 0x1c466e3

A bit of description would be nice to have what this value means.

> + /* delay for exit from IDDQ mode */
> + usleep_range(100, 100);

100,100 ? I think you need to give a room to scheduler, at least 20%
margin would be good to have.

> + /* delay for vbus valid */
> + usleep_range(100, 100);

Ditto.


--
With Best Regards,
Andy Shevchenko

\
 
 \ /
  Last update: 2019-03-02 16:57    [W:0.222 / U:0.148 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site