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kvm tools: Don't register dummy ops for serial ports

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The serial8250__init() function registers ops for all serial ports before we
start running the guest kernel so drop the dummy op registrations.

Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Sasha Levin <levinsasha928@gmail.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
This commit is contained in:
Pekka Enberg
2015-06-01 16:39:44 +01:00
committed by Will Deacon
parent bf459c833b
commit a3598ccd2e
1 changed files with 0 additions and 12 deletions
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ioport.c
-12
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@@ -160,22 +160,10 @@ void ioport__setup_legacy(void)
/* 0x00F0 - 0x00FF - Math co-processor */
ioport__register(0x00F0, &dummy_write_only_ioport_ops, 2);
/* PORT 02E8-02EF - serial port, same as 02F8, 03E8 and 03F8 (COM4) */
ioport__register(0x02E8, &dummy_read_write_ioport_ops, 7);
/* PORT 02F8-02FF - serial port, same as 02E8, 03E8 and 03F8 (COM2) */
ioport__register(0x02F8, &dummy_read_write_ioport_ops, 7);
/* PORT 03D4-03D5 - COLOR VIDEO - CRT CONTROL REGISTERS */
ioport__register(0x03D4, &dummy_read_write_ioport_ops, 1);
ioport__register(0x03D5, &dummy_write_only_ioport_ops, 1);
/* PORT 03E8-03EF - serial port, same as 02E8, 02F8 and 03F8 (COM3) */
ioport__register(0x03E8, &dummy_read_write_ioport_ops, 7);
/* PORT 03F8-03FF - Serial port (8250,8250A,8251,16450,16550,16550A,etc.) COM1 */
ioport__register(0x03F8, &dummy_read_write_ioport_ops, 7);
/* PORT 0CF8-0CFF - PCI Configuration Mechanism 1 - Configuration Registers */
ioport__register(0x0CF8, &dummy_write_only_ioport_ops, 1);
ioport__register(0x0CFC, &dummy_read_write_ioport_ops, 1);