DoC-2000: NAND_CMD_READID hangs on stock 2.6.10 kernel
tglx at linutronix.de
Fri Feb 18 15:32:01 EST 2005
On Fri, 2005-02-18 at 13:20 -0700, John Kelly wrote:
> I'm working on getting a Technologics TS-5400 board runnig
> Linux-2.6 to see a 32MB DoC.
> When inserting the diskonchip.ko driver from a vanilla
> 2.6.10 kernel, I get into an infinite loop in nand_command
> with command=0x90 (READID). The loop is at the bottom of the function:
> /* Apply this short delay always to ensure that we do wait tWB in
> * any case on any machine. */
> ndelay (100);
> /* wait until command is processed */
> while (!this->dev_ready(mtd));
> If I use a counter to break out of the loop after 40 tries,
> everything works--only READID seems to need this.
It's not READID, there is something wrong with the number of chips to
scan for. I have encountered the problem here too. I will post again
when I have fixed it.
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