Messages in this thread | | | Date | Mon, 14 Jul 2014 10:58:54 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH 1/3] usb: host: st-hcd: Add USB HCD support for STi SoCs |
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On Mon, 14 Jul 2014, Lee Jones wrote:
> On Fri, 11 Jul 2014, Alan Stern wrote: > > On Fri, 11 Jul 2014, Peter Griffin wrote: > > > On Thu, 10 Jul 2014, Alan Stern wrote: > > > > > > > On Thu, 10 Jul 2014, Peter Griffin wrote: > > > > > > > > > This driver adds support for the USB HCD present in STi > > > > > SoC's from STMicroelectronics. It has been tested on the > > > > > stih416-b2020 board. > > > > > > > > This driver file, along with the Kconfig changes, belongs in the > > > > arch/platform-specific source directory. Not in drivers/usb/host/. > > > > It is, after all, a platform driver that registers two platform > > > > devices. > > > > > > Why do think that? > > > > Because it is true. One can easily see that st-hcd.c is a platform > > driver: It contains a module_platform_driver() line and a struct > > platform_driver definition near the end. And it registers a platform > > device by calling platform_device_add() in st_hcd_device_create(), > > which is called twice by st_hcd_probe(). > > You are correct that this is indeed a platform driver and in the 'old > days' these would have been stuffed into the ARM sub-architecture > directories. However, these became far too bloated and created too > much churn which angered Linus. A great deal has changed since his > ARM rant [1]. All drivers (platform or otherwise) are now to live in > 'drivers', which makes a great deal of sense really, doesn't it? > > Did you grep kernel wide for module_platform_driver()? > > $ git grep module_platform_driver -- arch/ | wc -l > 12 > > $ git grep module_platform_driver -- drivers/ | wc -l > 1138 > > Most platform drivers have already been moved.
Okay, I grant the point. Objections withdrawn. Fix up the spelling error and the other stuff in the Kconfig help text, and this will be acceptable.
Alan Stern
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