[PATCH V3 07/12] ata/sata_mv: Remove conditional compilation of clk code
Lothar Waßmann
LW at KARO-electronics.de
Wed Apr 25 04:35:53 EDT 2012
Andrew Lunn writes:
> > AFAICT the PCI archs do not have HAVE_CLK enabled. Thus they will have
> > a dummy clk API in place that provides the driver with a non-error
> > clk_get() return value.
>
> Hi Lothar
>
> Please could you explain this a little bit more. What exactly is a PCI
> arch?
>
> Most of the Orion SoC have PCIe busses. Does this make them an PCI
> arch? Because they also have HAVE_CLK. There are more SoCs with PCI.
>
If an arch has HAVE_CLK enabled it must provide valid clocks (be it
dummy clocks) for all devices it supports.
Lothar Waßmann
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