usb: gadget: u_serial: reimplement console support

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Rewrite console support to fix a few shortcomings of the old code
preventing its use with multiple ports. This removes some duplicated
code and replaces a custom kthread with simpler workqueue item.

Only port ttyGS0 gets to be a console for now.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Tested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

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Michał Mirosław 2019-08-10 10:42:49 +02:00 • committed by Felipe Balbi

parent daf82bd24e

commit fe1ea63ad8

1 changed files with 158 additions and 181 deletions

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drivers/usb/gadget/function/u_serial.c

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