Hi, On Sun, Jan 17, 2016 at 04:49:08PM +0100, Sebastian Reichel wrote: > When using the ssi-protocol driver with the Nokia N950, the > following error is thrown during modem powered up sequence. > > [13852.274993] port0: SSI error: 0x01 > [13852.279205] ssi-protocol ssi-protocol: RX error detected > [13852.284820] ssi-protocol ssi-protocol: Main state: 1 > [13852.290069] ssi-protocol ssi-protocol: Recv state: 0 > [13852.295288] ssi-protocol ssi-protocol: Send state: 0 > [13852.300537] ssi-protocol ssi-protocol: CMT Offline > [13852.305603] ssi-protocol ssi-protocol: Wake test 1 > [13852.310638] ssi-protocol ssi-protocol: Data RX id: 0 > [13852.315887] ssi-protocol ssi-protocol: Data TX id: 0 > [13856.001464] ssi-protocol ssi-protocol: Watchdog trigerred > [13856.007293] ssi-protocol ssi-protocol: Main state: 1 > [13856.012542] ssi-protocol ssi-protocol: Recv state: 0 > [13856.017761] ssi-protocol ssi-protocol: Send state: 0 > [13856.023010] ssi-protocol ssi-protocol: CMT Offline > [13856.028045] ssi-protocol ssi-protocol: Wake test 0 > [13856.033111] ssi-protocol ssi-protocol: Data RX id: 0 > [13856.038330] ssi-protocol ssi-protocol: Data TX id: 0 > > This patch fixes the issue by using the handshake setup from > the Nokia N950 kernel. The new handshake sequence also works > with the N900, so there is no need to differentiate between > both modems.
I queued this patch with Aaro's Tested-By: https://git.kernel.org/cgit/linux/kernel/git/sre/linux-hsi.git/commit/?h=for-next&id=87d99063be016ceee90723a13365a40b21eec0d9 -- Sebastian
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