[U-Boot] PATCH mtd CFI flash: timeout calculation underflow if imprecise 1kHz timer: fix

[Wolfgang Denk]

In message <20090806205329.8A31C832E416 at gemini.denx.de> I wrote:
> 
> However, the current situation is this: more than 60 boards (all of
> them ARM, it seems) use very different settings:
> 
> include/configs/EB+MCF-EV123.h:		10000000
> include/configs/EP1C20.h:		(CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1))
> include/configs/EP1S10.h:		(CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1))
> include/configs/EP1S40.h:		(CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1))
> include/configs/KAREF.h:		100
> include/configs/M5271EVB.h:		1000000
> include/configs/METROBOX.h:		100
> include/configs/MVBLUE.h:		10000
> include/configs/PCI5441.h:		(CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1))
> include/configs/PK1C20.h:		(CONFIG_SYS_CLK_FREQ/(CONFIG_SYS_NIOS_TMRCNT + 1))
...

I was wrong. From the CONFIG_SYS_NIOS_TMRCNT it's pretty obvious that
at least 5 of these are NIOS boards.

Best regards,
Viele Grüße,

Wolfgang Denk

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