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fdt: Allow ft_board_setup() to report failure

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This function can fail if the device tree runs out of space. Rather than
silently booting with an incomplete device tree, allow the failure to be
detected.

Unfortunately this involves changing a lot of places in the code. I have
not changed behvaiour to return an error where one is not currently
returned, to avoid unexpected breakage.

Eventually it would be nice to allow boards to register functions to be
called to update the device tree. This would avoid all the many functions
to do this. However it's not clear yet if this should be done using driver
model or with a linker list. This work is left for later.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Simon Glass
2014-10-23 18:58:47 -06:00
parent 4d70b34d7f
commit e895a4b06f
106 changed files with 373 additions and 166 deletions
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4
board/freescale/bsc9132qds/bsc9132qds.c
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@@ -363,7 +363,7 @@ struct node_info nodes[] = {
{ "fsl,ifc-nand", MTD_DEV_TYPE_NAND, },
};
#endif
void ft_board_setup(void *blob, bd_t *bd)
int ft_board_setup(void *blob, bd_t *bd)
{
phys_addr_t base;
phys_size_t size;
@@ -423,5 +423,7 @@ void ft_board_setup(void *blob, bd_t *bd)
printf("\nRemove sim from hwconfig and reset\n");
}
}
return 0;
}
#endif