MIPS: Malta: Remove ttyS2 serial for CMP platforms
authorLeonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Mon, 14 Oct 2013 08:49:25 +0000 (09:49 +0100)
committerRalf Baechle <ralf@linux-mips.org>
Wed, 22 Jan 2014 19:18:57 +0000 (20:18 +0100)
commitf6ba061060f3442278d169a22db4469eed2ef1d3
treec747bb6aa91e492e746fa1e8438afc2482da48d4
parent6de20451857ed14a4eecc28d08f6de5925d1cf96
MIPS: Malta: Remove ttyS2 serial for CMP platforms

Commit 225ae5fd9a320e22841410049c3bdb6cf14a5841
"MIPS: Malta: Fix interupt number of CBUS UART"

fixed the IRQ number for the ttyS2 CBUS UART. However, this now
conflicts with the GIC IPI1 interrupt in CMP platforms. The Malta
interrupt code arbitrarily binds IPIs to INT2 and INT3 and since
ttyS2 uses the INT2 IRQ line, closing the device disables the
INT2 interrupt and this effectively disables the IPI1 interrupt
as well. This patch is mainly a workaround until the Malta code
is fixed properly.

Signed-off-by: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6045/
arch/mips/mti-malta/malta-platform.c
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