49dc08eeda
This patch make the OneNAND driver much less racy. It fixes our "onenand_wait: read timeout!" heisenbugs. The reason of these bugs was that the driver did not lock the chip when accessing OTP, and it screwed up OneNAND state when the OTP was read while JFFS2 was doing FS checking. This patch also fixes other races I spotted: 1. BBT was not protected 2. Access to ecc_stats was not protected Now the chip is locked when BBT is accessed. To fix all of these I basically split all interface functions on 'function()' and 'function_nolock()' parts. I tested this patch on N800 hardware - it fixes our problems. But I tested a little different version because our OneNAND codebase is slightly out-of-date. But it should be OK. This patch also includes the prin fixes I posted before. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org> |
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| .. | ||
| generic.c | ||
| Kconfig | ||
| Makefile | ||
| onenand_base.c | ||
| onenand_bbt.c | ||
| onenand_sim.c | ||