Source: MontaVista Software, Inc. Sergey Podstavin <spodstavin@xxxxxxxxxxxxx>
MR: 14908
Type: Defect Fix
Disposition: needs submitting to linuxmips-embedded mailing list
Signed-off-by: Sergey Podstavin <spodstavin@xxxxxxxxxxxxx>
Description:
A large file transfers with errors via UART on 115200 fix
Index: linux-2.6.10/arch/mips/vr5701/vr5701_sg2/irq.c
===================================================================
--- linux-2.6.10.orig/arch/mips/vr5701/vr5701_sg2/irq.c
+++ linux-2.6.10/arch/mips/vr5701/vr5701_sg2/irq.c
@@ -79,18 +79,6 @@ asmlinkage void vr5701_sg2_irq_dispatch(
u32 bitmask;
u32 i;
u32 intPCIStatus;
- if (ddb_in32(INT1_STAT) != 0) {
- printk(KERN_CRIT "NMI = %x\n", ddb_in32(NMI_STAT));
- printk(KERN_CRIT "INT0 = %x\n", ddb_in32(INT0_STAT));
- printk(KERN_CRIT "INT1 = %x\n", ddb_in32(INT1_STAT));
- printk(KERN_CRIT "INT2 = %x\n", ddb_in32(INT2_STAT));
- printk(KERN_CRIT "INT3 = %x\n", ddb_in32(INT3_STAT));
- printk(KERN_CRIT "INT4 = %x\n", ddb_in32(INT4_STAT));
- printk(KERN_CRIT "EPCI_ERR = %x\n", ddb_in32(EPCI_ERR));
- printk(KERN_CRIT "IPCI_ERR = %x\n", ddb_in32(IPCI_ERR));
-
- panic("error interrupt has happened.");
- }
intStatus = ddb_in32(INT0_STAT);
@@ -100,7 +88,6 @@ asmlinkage void vr5701_sg2_irq_dispatch(
if (intStatus & 1 << 7)
goto IRQ_IPCI;
- IRQ_OTHER:
for (i = 0, bitmask = 1; i <= NUM_5701_IRQS; bitmask <<= 1, i++) {
/* do we need to "and" with the int mask? */
if (intStatus & bitmask) {
@@ -117,26 +104,18 @@ asmlinkage void vr5701_sg2_irq_dispatch(
do_IRQ(8 + NUM_5701_IRQS + i, regs);
}
}
- if (!intStatus)
- return;
+ return;
IRQ_IPCI:
intStatus &= ~(1 << 7);
intPCIStatus = ddb_in32(IPCI_INTS);
- if (!intPCIStatus)
- goto IRQ_OTHER;
-
for (i = 0, bitmask = 1; i < NUM_5701_IPCI_IRQS; bitmask <<= 1, i++) {
if (intPCIStatus & bitmask) {
do_IRQ(8 + NUM_5701_IRQS + NUM_5701_EPCI_IRQS + i,
regs);
}
}
-
- if (!intStatus)
- return;
-
- goto IRQ_OTHER;
+ return;
}
void __init arch_init_irq(void)
