From: Nishanth Menon 07, 2008 5:37 PM > Here is my 2 cents: Lock/unlock for a NOR flash has effect > only for writing to the flash -> not reading. I think ur real > issue is that flash was in the middle of a write operation to > the partition (maybe it was doing a jffs2 garbage collection > or something), when wdt triggered a reset. Relocking the > device only hides your problem by forcing it to be a read > only partition. You should be able to hit the problem yet > again by doing a flash_unlock to the partition and then > running ur wdt trigger case. I guess it'd be a bit hard to > reset exactly when jffs2 is in the middle of a write.. but I > guess u'd have already looked at it. I agree, but I am doing watchdog reset just after a clean NFS boot, note it is not JFFS2 boot. The unlock is done with in the probe and nobody is accessing NOR. I don't suspect any write between my kernel NFS boot and wdt reset. > What is the correct solution for this issue? I think maybe > hardware should assert reset line to NOR device on a warm reset. > Regards, > Nishanth Menon > - To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
