[PATCH 3/3] ARM: shmobile: Koelsch: Add QSPI support

[Kuninori Morimoto]

Hi

> <sergei.shtylyov at cogentembedded.com> wrote:
> >> +       platform_device_register_resndata(&platform_bus, "qspi", 0,
> >
> >    As I understood, there's single QSPI controller, so why you pass 0, and
> > not -1 here?
> 
> Indeed, there's only a single QSPI instance.
> However, I choose to use "0" for consistency with Lager.
> Mach-shmobile seems to use a mix of 0 and -1.
> 
> If the maintainer prefers -1, I can change that.

In SPI driver case, spi master will use dynamic 
bus_num value if ID was -1 (in spi_register_master()).
Then, slave device can't be detected.
So, ID = 0 is reasonable even though single QSPI.