Messages in this thread | | | Date | Thu, 28 Mar 2019 10:11:33 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH 0/3] ARM: davinci: ohci-da8xx: model the vbus GPIO as a fixed regulator |
| |
On Thu, 28 Mar 2019, Sekhar Nori wrote:
> >> Can you document why the current solution is not optimal? Is it to make > >> future device-tree conversion for these boards easier? Or? > >> > > > > It's sub-optimal from the HW modeling in SW PoV - it is in fact a > > regulator enabled/disabled by a GPIO. Also: it's code duplication as > > currently we check if the vbus GPIO exists and then use it or check if > > the regulator exists and use this as the second choice. The third > > patch actually shrinks the driver. > > I see now that the driver supports controlling the VBUS gpio as > regulator already. Something I should have caught in review last time > around. > > I agree this patch is an improvement. Lets see what Alan feels.
I'm not an expert on this stuff, but the patch looks reasonable. However, I do wish that in the devm_request_threaded_irq() call, the indentation of the continuation lines was left unchanged.
Alan Stern
> Also, reg_enabled member of da8xx_ohci_hcd structure seems to be pretty > useless considering regulator API already has use counting. Can you take > a look and remove that too as an added bonus. > > Thanks, > Sekhar
| |