[MIPS] TXx9: PCI error handling

From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Thu, 24 Jul 2008 00:25:16 +0900
Subject: [PATCH] txx9: PCI error handling

Add more control and detailed report on PCI error interrupt.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 4 insertions, 20 deletions

diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c
index 070c9a115e57..f3b60233e99d 100644
--- a/arch/mips/txx9/jmr3927/irq.c
+++ b/arch/mips/txx9/jmr3927/irq.c
@@ -103,22 +103,6 @@ static int jmr3927_irq_dispatch(int pending)
         return irq;
 }
 
-#ifdef CONFIG_PCI
-static irqreturn_t jmr3927_pcierr_interrupt(int irq, void *dev_id)
-{
-        printk(KERN_WARNING "PCI error interrupt (irq 0x%x).\n", irq);
-        printk(KERN_WARNING "pcistat:%02x, lbstat:%04lx\n",
-               tx3927_pcicptr->pcistat, tx3927_pcicptr->lbstat);
-
-        return IRQ_HANDLED;
-}
-static struct irqaction pcierr_action = {
-        .handler = jmr3927_pcierr_interrupt,
-        .mask = CPU_MASK_NONE,
-        .name = "PCI error",
-};
-#endif
-
 static void __init jmr3927_irq_init(void);
 
 void __init jmr3927_irq_setup(void)
@@ -143,10 +127,6 @@ void __init jmr3927_irq_setup(void)
         /* setup IOC interrupt 1 (PCI, MODEM) */
         set_irq_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq);
 
-#ifdef CONFIG_PCI
-        setup_irq(JMR3927_IRQ_IRC_PCI, &pcierr_action);
-#endif
-
         /* enable all CPU interrupt bits. */
         set_c0_status(ST0_IM);  /* IE bit is still 0. */
 }
diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c
index 57dc91e7afa6..7c16c402ff60 100644
--- a/arch/mips/txx9/jmr3927/setup.c
+++ b/arch/mips/txx9/jmr3927/setup.c
@@ -199,6 +199,7 @@ static void __init jmr3927_pci_setup(void)
                 jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR);
         }
         tx3927_pcic_setup(c, JMR3927_SDRAM_SIZE, extarb);
+        tx3927_setup_pcierr_irq();
 #endif /* CONFIG_PCI */
 }
 
diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c
index 88c05ccee3b2..65b72247d320 100644
--- a/arch/mips/txx9/rbtx4927/setup.c
+++ b/arch/mips/txx9/rbtx4927/setup.c
@@ -103,6 +103,7 @@ static void __init tx4927_pci_setup(void)
                 tx4927_report_pciclk();
                 tx4927_pcic_setup(tx4927_pcicptr, c, extarb);
         }
+        tx4927_setup_pcierr_irq();
 }
 
 static void __init tx4937_pci_setup(void)
@@ -149,6 +150,7 @@ static void __init tx4937_pci_setup(void)
                 tx4938_report_pciclk();
                 tx4927_pcic_setup(tx4938_pcicptr, c, extarb);
         }
+        tx4938_setup_pcierr_irq();
 }
 
 static void __init rbtx4927_arch_init(void)
diff --git a/arch/mips/txx9/rbtx4938/setup.c b/arch/mips/txx9/rbtx4938/setup.c
index fc9034db526e..4454b7901cd3 100644
--- a/arch/mips/txx9/rbtx4938/setup.c
+++ b/arch/mips/txx9/rbtx4938/setup.c
@@ -121,6 +121,7 @@ static void __init rbtx4938_pci_setup(void)
                 register_pci_controller(c);
                 tx4927_pcic_setup(tx4938_pcic1ptr, c, 0);
         }
+        tx4938_setup_pcierr_irq();
 #endif /* CONFIG_PCI */
 }