[flashrom] Add timeout check to SPI bitbang bus request

[Iain Paton]

Carl-Daniel Hailfinger wrote:
> Can you edit nicintel_spi.c and change
> #define MAX_REQUEST_LOOPS      10000
> to
> #define MAX_REQUEST_LOOPS      1000000
> One million loops should be slow enough.

Ok, so that makes it approx 1 second per device, total run time of 2m29s

>> root at p7fe-64:~/flashrom# ./flashrom -p nicintel_spi -V
>> flashrom v0.9.2-r1186 on Linux 2.6.35-dt (x86_64), built with libpci
>> 3.1.4, GCC 4.4.3, little endian
>> Initializing nicintel_spi programmer
>> Found "Intel 82540EM Gigabit Ethernet Controller" (8086:100e, BDF
>> 06:02.0).
>> Requested BAR is IO
>> Mapping Intel Gigabit NIC w/ SPI flash, 0x1000 bytes at unaligned
>> 0xfffffffc.
> 
> WTF? 

that's not quite what I said, but along the right lines :)

> The really interesting question is why the card died in the first place.

yep, however it's not done it again, so maybe just a fluke... I have a few of these cards, so maybe I'll try a different one just to 
be sure there's nothing odd going on with this one.

Rgds,
Iain