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Date: Wed, 18 Jan 2017 10:45:39 -0800 From: Florian Fainelli <f.fainelli@...il.com> To: Raviteja Garimella <raviteja.garimella@...adcom.com>, Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Felipe Balbi <balbi@...nel.org> Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com, linux-usb@...r.kernel.org Subject: Re: [RFC v2 1/5] UDC: Split the driver into amd (pci) and Synopsys core driver On 01/17/2017 12:05 AM, Raviteja Garimella wrote: > This patch splits the amd5536udc driver into two -- one that does > pci device registration and the other file that does the rest of > the driver tasks like the gadget/ep ops etc for Synopsys UDC. > > This way of splitting helps in exporting core driver symbols which > can be used by any other platform/pci driver that is written for > the same Synopsys USB device controller. > > The current patch also includes a change in the Kconfig and Makefile. > A new config option USB_SNP_CORE will be selected automatically when > any one of the platform or pci driver for the same UDC is selected. > > Signed-off-by: Raviteja Garimella <raviteja.garimella@...adcom.com> Although the changes you have done make sense and it is most certainly a good idea to split udc core from bus specific glue logic, it is really hard to review the changes per-se because of the file rename, could that happen at a later time? Also, keep in mind that anytime a driver file is renamed, this poses a backport/maintenance issue where backporting fixes from latest upstream to a kernel version that has a different file/directory structure is a major pain. -- Florian
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