Messages in this thread | | | Date | Thu, 01 Aug 2013 16:37:46 +0400 | From | Sergei Shtylyov <> | Subject | Re: [PATCH 2/2] ARM: dts: USB for Tegra114 Dalmore |
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Hello.
On 01-08-2013 3:29, Stephen Warren wrote:
>>>> Don't they cause numerous resource conflicts while device nodes >>>> being >>>> instantiated as the platform devices? >> >>> No; the driver knows that the HW is screwy and there's lots of >>> register-range sharing going on, so it simply maps the registers, rather >>> than reserving the physical address range and mapping it. >> >> Yes, it's clear that the driver should take special measures, I was >> asking about the platform device creation phase. What do you see in >> /proc/iomem?
> The drivers don't request the memory region since doing so would cause > conflicts. Hence, the regions don't show up in /proc/iomem.
Regions should show up after the platform device registration. They just show up as subregions of those when you request them. That's why I asked for your /proc/iomem.
WBR, Sergei
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