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author | Joerg Roedel <jroedel@suse.de> | 2015-07-16 11:29:13 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-07-24 03:49:42 +0300 |
commit | da891641b6c92e260966dfce3dd93111d08656c8 (patch) | |
tree | de80d6df1227a72d0bfa45f876445ac4a8877dce /drivers/tty/n_tty.c | |
parent | ee3ad90be5ec5e94a45aac597a23b1050cd4f1b0 (diff) | |
download | linux-da891641b6c92e260966dfce3dd93111d08656c8.tar.xz |
serial: 8250: Do XR17V35X specific wakeup in serial8250_do_startup
The XR17V35X UART needs the ECB bit set in its XR_EFR
register to enable access to IER [7:5], ISR [5:4], FCR[5:4],
MCR[7:5], and MSR [7:0].
Also reset the IER register to mask interrupts after access
to all bits of this register has been enabled.
This makes my 8-port XR17V35X working with the in-kernel
serial driver.
Cc: Joe Schultz <jschultz@xes-inc.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Reviewed-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_tty.c')
0 files changed, 0 insertions, 0 deletions