Re: [PATCH v3 3/5] ARM: vexpress: Add DT support in v2m
From: Pawel Moll <hidden>
Date: 2011-11-30 13:38:11
Also in:
linux-arm-kernel
On Wed, 2011-11-30 at 13:34 +0000, Arnd Bergmann wrote:
On Wednesday 30 November 2011, Pawel Moll wrote:quoted
On Tue, 2011-11-29 at 21:19 +0000, Arnd Bergmann wrote:quoted
On Tuesday 29 November 2011, Pawel Moll wrote:quoted
+ compact-flash@1a000 { + compatible = "ata-generic"; + reg = <0x1a000 0x100 + 0x1a100 0xf00>; + reg-shift = <2>; + };Shouldn't there also be a more specific "compatible" value, in case we have to detect this CF slot for some reason?It was the compatible-value-of-choice in "drivers/ata/pata_of_platform.c", unfortunately undocumented - as I have just realized - in the "Documentation/devicetree/bindings"...You should certainly *also* have "ata-generic" in there as the value that is used by the existing driver, but it usually makes sense to have a more specific value in addition, just as a precaution for the future, in case that the specific hardware is not entirely identical to all others and we have to do a separate workaround.
Ok, as the actual "interface hardware" is a custom design for VE, I'll make it: compatible = "arm,vexpress-cf", "ata-generic"; Does it make sense? Cheers! Paweł _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel