* Alexander Kochetkov <al.kochet@xxxxxxxxx> [141203 06:36]: > This pacth series intended for fixing problem reported > by Tony Lindgren <tony@xxxxxxxxxxx> here[1] > > One of first four patched could fix the problem. > Last patch provide event trace so I could resolve problem. > It could be applied using 'git am' or 'patch -p1 ...' > > Patches are rebased on branch 'i2c/for-next' of > git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux > (6e79807443cba7397cd855ed29d6faba51d4c893) > > Tony, could you check, does the series fix the problem reported[1]? > If yes, could you bisect and point commit that solve. > If no, could you provide trace output (with or without the patches > from series). > If no, could you check does i2c-omap.c from commit ca1f8da9ac5ce6e63d8f6933f83fabc1f3f961f4. > (the commit before my changes to kernel) work for you? It seems this is not related to your patches. Applying these cause the following though on my 2430sdp: omap_i2c 48072000.i2c: addr: 0x004b, len: 2, flags: 0x0, stop: 1 omap_i2c 48072000.i2c: XFER0: STAT=0x0000; IE=0x601f; CON=0x8000; (omap_i2c_xfer_msg:705) omap_i2c 48072000.i2c: XFER1: STAT=0x0010; IE=0x601f; CON=0x8600; (omap_i2c_xfer_msg:707) omap_i2c 48072000.i2c: THR: STAT=0x1410; IE=0x601f; CON=0x8600; (omap_i2c_isr_thread:1016) omap_i2c 48072000.i2c: IRQ (ISR = 0x0010) omap_i2c 48072000.i2c: THR: STAT=0x1000; IE=0x601f; CON=0x8600; (omap_i2c_isr_thread:1016) omap_i2c 48072000.i2c: THR DONE: STAT=0x1004; IE=0x601f; CON=0x8600; (omap_i2c_isr_thread:1168) omap_i2c 48072000.i2c: THR: STAT=0x1004; IE=0x601f; CON=0x8600; (omap_i2c_isr_thread:1016) omap_i2c 48072000.i2c: IRQ (ISR = 0x0004) omap_i2c 48072000.i2c: THR: STAT=0x1000; IE=0x601f; CON=0x8602; (omap_i2c_isr_thread:1016) omap_i2c 48072000.i2c: THR DONE: STAT=0x1000; IE=0x601f; CON=0x8602; (omap_i2c_isr_thread:1168) omap_i2c 48072000.i2c: XFER TIMEOUT: STAT=0x1000; IE=0x601f; CON=0x8602; (omap_i2c_xfer_msg:716) omap_i2c 48072000.i2c: controller timed out twl: Write failed (mod 3, reg 0x0e count 1) Regards, Tony > [1] http://www.spinics.net/lists/linux-i2c/msg17811.html > > Alexander Kochetkov (5): > i2c: omap: ack only reported events > i2c: omap: simplify i462 errata handling for NACK and AL cases > i2c: omap: move STP generation logic into ISR thread > i2c: omap: reimpelement STP hack via 2-phases transfer > i2c: omap: add trace > > drivers/i2c/busses/i2c-omap.c | 162 ++++++++++++++++++++++++----------------- > 1 file changed, 95 insertions(+), 67 deletions(-) > > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
