RE: [PATCH 2/9][v3]usb:fsl:otg: Add support to add/remove usb host driver

From: Ramneek Mehresh
Date: Wed May 06 2015 - 01:30:31 EST




> -----Original Message-----
> From: Alan Stern [mailto:stern@xxxxxxxxxxxxxxxxxxx]
> Sent: Wednesday, May 06, 2015 1:00 AM
> To: Mehresh Ramneek-B31383
> Cc: Kernel development list; Felipe Balbi; USB list;
> gregkh@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [PATCH 2/9][v3]usb:fsl:otg: Add support to add/remove usb
> host driver
>
> On Tue, 5 May 2015, Ramneek Mehresh wrote:
>
> > Add workqueue to add/remove host driver (outside interrupt context)
> > upon each id change
> >
> > Signed-off-by: Ramneek Mehresh <ramneek.mehresh@xxxxxxxxxxxxx>
> > ---
> > Changes for v3:
> > - use overrides for ehci_fsl_overrides
> > - remove struct ehci_hcd from ehci_fsl
> > - move ehci_fsl to ehci-fsl.h
>
> This patch changes at least three separate things:
>
> It adds the workqueue stuff.
>
> It replaces ehci_fsl_hc_driver with ehci_fsl_overrides.
>
> It adds new fields into the overrides structure.
>
understood
> A patch should do only one thing. It certainly shouldn't make three separate,
> major changes!
>
> Also, I'm not going to let you add new fields into the ehci_driver_overrides
> structure. If you really need to override other routines, copy the approach
> used by ehci-tegra.c.
>
Understood...but I would appreciate if you could please explain the harm in doing so

> Alan Stern

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