Commit 082f2c1c authored by Greg Ungerer's avatar Greg Ungerer Committed by Linus Torvalds

[PATCH] m68knommu: set irq priority/level different for each ColdFire serial port

Set the hardware interrupt priority to a different value for each
attached ColdFire serial port.  According to the CPU documentation you
should not use the same combination of level/priority on more than one
device.  People have reported odd serial port behavior with them set the
Signed-off-by: default avatarGreg Ungerer <>
Signed-off-by: default avatarLinus Torvalds <>
parent 892b6252
......@@ -1516,7 +1516,7 @@ static void mcfrs_irqinit(struct mcf_serial *info)
icrp = (volatile unsigned char *) (MCF_MBAR + MCFICM_INTC0 +
MCFINTC_ICR0 + MCFINT_UART0 + info->line);
*icrp = 0x33; /* UART0 with level 6, priority 3 */
*icrp = 0x30 + info->line; /* level 6, line based priority */
imrp = (volatile unsigned long *) (MCF_MBAR + MCFICM_INTC0 +
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