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32 lines
824 B
Diff
32 lines
824 B
Diff
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From 3487b77acbb12f4174f46237f942918651b23aa7 Mon Sep 17 00:00:00 2001
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From: Kurt Mahan <kmahan@freescale.com>
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Date: Tue, 15 Apr 2008 17:14:55 -0600
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Subject: [PATCH] Fix setting low 31 interrupts to deal with magic bit 0
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of the IMRL register.
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LTIBName: mcfv4e-irq-magic-bit
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Signed-off-by: Kurt Mahan <kmahan@freescale.com>
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---
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arch/m68k/coldfire/ints.c | 9 ++++++---
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1 files changed, 6 insertions(+), 3 deletions(-)
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--- a/arch/m68k/coldfire/ints.c
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+++ b/arch/m68k/coldfire/ints.c
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@@ -420,10 +420,13 @@ void m547x_8x_irq_enable(unsigned int ir
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}
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#endif
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- if (irq < 32)
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- MCF_IMRL &= ~(1 << irq);
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- else
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+ if (irq < 32) {
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+ /* *grumble* don't set low bit of IMRL */
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+ MCF_IMRL &= (~(1 << irq) & 0xfffffffe);
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+ }
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+ else {
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MCF_IMRH &= ~(1 << (irq - 32));
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+ }
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}
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void m547x_8x_irq_disable(unsigned int irq)
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