[U-Boot] [PATCH 2/2] watchdog: omap_wdt: Disable DM watchdog support in SPL

[Tom Rini]

On Fri, Jul 12, 2019 at 02:53:47PM +0530, sunil.m at techveda.org wrote:

> From: Suniel Mahesh <suniel.spartan at gmail.com>
> 
> This patch disables DM watchdog support for SPL builds and uses
> the legacy omap watchdog on TI AM335x chipsets.
> 
> The following build error is reported if DM watchdog support was enabled in SPL:
> 
>   CC      spl/drivers/usb/gadget/rndis.o
>   LD      spl/drivers/usb/gadget/built-in.o
>   LD      spl/drivers/usb/musb-new/built-in.o
>   LD      spl/drivers/built-in.o
>   LD      spl/u-boot-spl
> arm-linux-ld.bfd: u-boot-spl section .u_boot_list will not fit in region .sram
> arm-linux-ld.bfd: region .sram overflowed by 440 bytes
> make[1]: *** [spl/u-boot-spl] Error 1
> make: *** [spl/u-boot-spl] Error 2
> 
> Tested on BeagleboneBlack board.
> 
> Signed-off-by: Suniel Mahesh <sunil.m at techveda.org>

My concern here is that if we don't configure the watchdog we could now
end up in the case where the WDT trips while we're doing a slow boot
such as UART.  As was mentioned elsewhere we might need to switch to
using platdata so this still fits?  And we will need the whole of
"omap2" to build after this is applied, thanks.

-- 
Tom
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