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From 7bc3950017d2c54883591367723b7fd84cc65d6f Mon Sep 17 00:00:00 2001
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From: Axel Gembe <ago@bastart.eu.org>
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Date: Sun, 18 May 2008 12:09:14 +0200
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Subject: [PATCH] bcm963xx: fix uart isr
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The ISR ended up in an endless loop because the TX ISR never got used or masked.
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This patch basically makes the TX ISR mask the the TX interrupt when it
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encounters it, because it doesn't even use the TX interrupt.
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Signed-off-by: Axel Gembe <ago@bastart.eu.org>
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---
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drivers/serial/bcm63xx_cons.c | 6 ++++++
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1 files changed, 6 insertions(+), 0 deletions(-)
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Index: linux-2.6.25.4/drivers/serial/bcm63xx_cons.c
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===================================================================
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--- linux-2.6.25.4.orig/drivers/serial/bcm63xx_cons.c
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+++ linux-2.6.25.4/drivers/serial/bcm63xx_cons.c
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@@ -258,8 +258,14 @@ static void bcm_interrupt(int irq, void
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while (intStat) {
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if (intStat & RXINT)
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receive_chars(info);
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+
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+#if 0 /* This code is total bullshit, TXINT doesn't get masked anywhere, so this will give an endless loop */
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+
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else if (intStat & TXINT)
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info->port->intStatus = TXINT;
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+
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+#endif /* 0 */
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+
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else /* don't know what it was, so let's mask it */
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info->port->intMask &= ~intStat;
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