[PATCH 1/2] arm: imx: enable flexcan on imx25, imx35, imx53, imx6q

Sascha Hauer sha at pengutronix.de
Mon Jul 2 04:06:41 EDT 2012


On Mon, Jul 02, 2012 at 09:54:08AM +0200, Marc Kleine-Budde wrote:
> On 07/02/2012 09:50 AM, Sascha Hauer wrote:
> > On Sun, Jul 01, 2012 at 10:46:04PM +0200, Marc Kleine-Budde wrote:
> >> Cc: Sascha Hauer <sha at pengutronix.de>
> >> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
> >> ---
> >>  arch/arm/mach-imx/Kconfig |    4 ++++
> >>  1 file changed, 4 insertions(+)
> >>
> >> diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
> >> index eff4db5..c296851 100644
> >> --- a/arch/arm/mach-imx/Kconfig
> >> +++ b/arch/arm/mach-imx/Kconfig
> >> @@ -52,6 +52,7 @@ config SOC_IMX25
> >>  	select ARCH_MX25
> >>  	select COMMON_CLK
> >>  	select CPU_ARM926T
> >> +	select HAVE_CAN_FLEXCAN if CAN
> > 
> > Do we need the 'if CAN' here? It seems yes, since HAVE_CAN_FLEXCAN is
> > inside the "CAN Device Drivers" menu which depends on CAN. Shouldn't the
> > HAVE_CAN_FLECAN be outside the menu?
> 
> Yes, we can move the HAVE_CAN_FLEXCAN outside of that menu, but it still
> depends on CONFIG_NET.

Ok, then we have no choice. I just asked because it seems unnatural that
the presence of a hardware device depends on config options.

Sascha


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