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On zang's Dell XPS 13 9370 after Thunderbolt NVM firmware upgrade the Thunderbolt controller did not come back as expected. Only after the system was rebooted it became available again. It is not entirely clear what happened but I suspect the new NVM firmware image authentication failed for some reason. Regardless of this the router needs to be power cycled if NVM authentication fails in order to get it fully functional again. This modifies the driver to issue a power cycle in case the NVM authentication fails immediately when dma_port_flash_update_auth() returns. We also need to call tb_switch_set_uuid() earlier to be able to fetch possible NVM authentication failure when DMA port is added. Link: https://bugzilla.kernel.org/show_bug.cgi?id=205457 Reported-by: zang <dump@tzib.net> Cc: stable <stable@vger.kernel.org> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| .. | ||
| cap.c | ||
| ctl.c | ||
| ctl.h | ||
| dma_port.c | ||
| dma_port.h | ||
| domain.c | ||
| eeprom.c | ||
| icm.c | ||
| Kconfig | ||
| lc.c | ||
| Makefile | ||
| nhi_ops.c | ||
| nhi_regs.h | ||
| nhi.c | ||
| nhi.h | ||
| path.c | ||
| property.c | ||
| switch.c | ||
| tb_msgs.h | ||
| tb_regs.h | ||
| tb.c | ||
| tb.h | ||
| tunnel.c | ||
| tunnel.h | ||
| xdomain.c | ||