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am335x_evm: Clarify when we build board_eth_init

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If we build this function in cases where we would be discarding it
anyhow we still end up with maybe unused warnings.  Rather than litter
the function with __maybe_unused, just spell out when to build it.

Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2014-03-26 15:53:12 -04:00
parent 6bd04bb487
commit 68996b84b6
1 changed files with 16 additions and 2 deletions
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18
board/ti/am335x/board.c
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@ -573,8 +573,22 @@ static struct cpsw_platform_data cpsw_data = {
};
#endif
#if defined(CONFIG_DRIVER_TI_CPSW) || \
(defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET))
/*
* This function will:
* Read the eFuse for MAC addresses, and set ethaddr/eth1addr/usbnet_devaddr
* in the environment
* Perform fixups to the PHY present on certain boards. We only need this
* function in:
* - SPL with either CPSW or USB ethernet support
* - Full U-Boot, with either CPSW or USB ethernet
* Build in only these cases to avoid warnings about unused variables
* when we build an SPL that has neither option but full U-Boot will.
*/
#if ((defined(CONFIG_SPL_ETH_SUPPORT) || defined(CONFIG_SPL_USBETH_SUPPORT)) \
&& defined(CONFIG_SPL_BUILD)) || \
((defined(CONFIG_DRIVER_TI_CPSW) || \
defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)) && \
!defined(CONFIG_SPL_BUILD))
int board_eth_init(bd_t *bis)
{
int rv, n = 0;