Re: linux-next: Tree for Aug 30 (brcmfmac)

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On 08/31/13 20:40, Hauke Mehrtens wrote:
On 08/31/2013 08:21 PM, Arend van Spriel wrote:
On 08/31/13 19:37, Geert Uytterhoeven wrote:
On Fri, Aug 30, 2013 at 11:12 PM, Randy Dunlap<rdunlap@xxxxxxxxxxxxx>
wrote:
This bool kconfig symbol:

config BRCMFMAC_SDIO
          bool "SDIO bus interface support for FullMAC driver"
          depends on MMC

allows BRCMFMAC_SDIO to be y even when MMC=m.

Is there a reasonable solution to this?

Actually, BRCMFMAC should be built in same form as the MMC and/or USB,
but only when BRCMFMAC_SDIO or BRCMFMAC_USB are selected.

So valid combinations are:
MMC=m, USB=m, BRCMFMAC_SDIO=y, BRCMFMAC_USB=y =>  BRCMFMAC=m
MMC=m, USB=y, BRCMFMAC_SDIO=y, BRCMFMAC_USB=y =>  BRCMFMAC=m
MMC=y, USB=m, BRCMFMAC_SDIO=y, BRCMFMAC_USB=y =>  BRCMFMAC=m
MMC=m, USB=y, BRCMFMAC_SDIO=y, BRCMFMAC_USB=n =>  BRCMFMAC=m
MMC=m, USB=y, BRCMFMAC_SDIO=n, BRCMFMAC_USB=y =>  BRCMFMAC=m|y
MMC=y, USB=m, BRCMFMAC_SDIO=y, BRCMFMAC_USB=n =>  BRCMFMAC=m|y
MMC=y, USB=m, BRCMFMAC_SDIO=n, BRCMFMAC_USB=y =>  BRCMFMAC=m
MMC=y, USB=y, BRCMFMAC_SDIO=y, BRCMFMAC_USB=y =>  BRCMFMAC=m|y
MMC=y, USB=y, BRCMFMAC_SDIO=y, BRCMFMAC_USB=n =>  BRCMFMAC=m|y
MMC=y, USB=y, BRCMFMAC_SDIO=n, BRCMFMAC_USB=y =>  BRCMFMAC=m|y

Not sure how to express the above.

This should be expressed with this Kconfig:

config BRCMFMAC_USB
	bool "USB bus interface support for FullMAC driver"
	depends on (USB = y || USB = BRCMFMAC)
	depends on BRCMFMAC

config BRCMFMAC_SDIO
	bool "SDIO bus interface support for FullMAC driver"
	depends on (MMC = y || MMC = BRCMFMAC)
	depends on BRCMFMAC
	select FW_LOADER

I haven't tested it, but we had a similar problem in b43 and fixed it
like this.

Thanks, Hauke

I will create a patch fixing this.

Regards,
Arend

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