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powerpc: Fix build failure when CONFIG_USB=y 

We are enabling USB unconditionally which results in following build failure

drivers/built-in.o: In function `tb_drom_read':
(.text+0x1b62b70): undefined reference to `usb_speed_string'
make: *** [vmlinux] Error

Enable USB only if USB_SUPPORT is set to avoid such failures

Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Acked-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Pranith Kumar 2014-08-21 09:16:04 -04:00 committed by Michael Ellerman
parent a9303e1bd0
commit 92f792ece9
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/platforms/44x/Kconfig
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@ -215,7 +215,7 @@ config AKEBONO
select NET_VENDOR_IBM
select IBM_EMAC_EMAC4
select IBM_EMAC_RGMII_WOL
select USB
select USB if USB_SUPPORT
select USB_OHCI_HCD_PLATFORM if USB_OHCI_HCD
select USB_EHCI_HCD_PLATFORM if USB_EHCI_HCD
select MMC_SDHCI