Messages in this thread | | | Subject | Re: [PATCH v3 1/3] driver core: Add ability for arch code to setup pdev_archdata | From | Kumar Gala <> | Date | Thu, 7 Jul 2011 08:55:44 -0500 |
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On Jul 1, 2011, at 5:09 PM, Greg KH wrote:
> On Thu, Jun 23, 2011 at 06:33:57AM -0500, Kumar Gala wrote: >> On some architectures we need to setup pdev_archdata before we add the >> device. Waiting til a bus_notifier is too late since we might need the >> pdev_archdata in the bus notifier. One example is setting up of dma_mask >> pointers such that it can be used in a bus_notifier. >> >> We add noop version of arch_setup_pdev_archdata() in >> <asm-generic/platform_device.h> and allow the arch code to override with >> access the full definitions of struct device, struct platform_device, and >> struct pdev_archdata. > > Isn't there some way to use "weak" symbols to keep us from having to > create this .h file in every single arch and then if the arch wants to > define it, it does so? > > That should make this patch simpler, right? > > thanks, > > greg k-h
Changing to weak should be doable if we are ok with the additional function call always happening.
- k
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