On Tue, Jun 07, 2011 at 04:23:07PM +0530, viresh kumar wrote:
>
> Hello,
>
> sata_dwc is also present on SPEAr SoC from ST, so i am removing dependency of this
> driver from 460ex and renaming it to sata_dwc.c.
>
> While doing that, i saw following:
>
> static const struct of_device_id sata_dwc_match[] = {
> { .compatible = "amcc,sata-460ex", },
> {}
> };
> MODULE_DEVICE_TABLE(of, sata_dwc_match);
>
>
> I don't know if this is still useful or not with platform_device, as it was with
> of_platform_*.
>
> Should i remove it completely? or should i just rewrite following as:
>
> static const struct of_device_id sata_dwc_match[] = {
> { .compatible = "amcc,sata_dwc", },
> {}
> };
> MODULE_DEVICE_TABLE(of, sata_dwc_match);
No, don't remove it and don't remove the "amcc,sata-460ex" string.
The compatible property is intended to identify the exact hardware,
and removing existing strings will break deployed boards. However, it
is fine to add new strings to the match table.
>
> For this i will also update: arch/powerpc/boot/dts/canyonlands.dts
>
> SATA0: sata@bffd1000 {
> compatible = "amcc,sata-460ex";
> reg = <4 0xbffd1000 0x800 4 0xbffd0800 0x400>;
> interrupt-parent = <&UIC3>;
> interrupts = <0x0 0x4 /* SATA */
> 0x5 0x4>; /* AHBDMA */
> };
>
> Thanks for your replies.
>
> --
> viresh
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