/*
- * linux/arch/mips/dec/kn01-berr.c
- *
* Bus error event handling code for DECstation/DECsystem 3100
* and 2100 (KN01) systems equipped with parity error detection
* logic.
#include <linux/types.h>
#include <asm/inst.h>
+#include <asm/irq_regs.h>
#include <asm/mipsregs.h>
#include <asm/page.h>
+#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/traps.h>
#include <asm/uaccess.h>
* There is no default value -- it has to be initialized.
*/
u16 cached_kn01_csr;
-DEFINE_SPINLOCK(kn01_lock);
+static DEFINE_RAW_SPINLOCK(kn01_lock);
static inline void dec_kn01_be_ack(void)
volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
unsigned long flags;
- spin_lock_irqsave(&kn01_lock, flags);
+ raw_spin_lock_irqsave(&kn01_lock, flags);
*csr = cached_kn01_csr | KN01_CSR_MEMERR; /* Clear bus IRQ. */
iob();
- spin_unlock_irqrestore(&kn01_lock, flags);
+ raw_spin_unlock_irqrestore(&kn01_lock, flags);
}
static int dec_kn01_be_backend(struct pt_regs *regs, int is_fixup, int invoker)
return dec_kn01_be_backend(regs, is_fixup, 0);
}
-irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+irqreturn_t dec_kn01_be_interrupt(int irq, void *dev_id)
{
volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
+ struct pt_regs *regs = get_irq_regs();
int action;
if (!(*csr & KN01_CSR_MEMERR))
volatile u16 *csr = (void *)CKSEG1ADDR(KN01_SLOT_BASE + KN01_CSR);
unsigned long flags;
- spin_lock_irqsave(&kn01_lock, flags);
+ raw_spin_lock_irqsave(&kn01_lock, flags);
/* Preset write-only bits of the Control Register cache. */
cached_kn01_csr = *csr;
*csr = cached_kn01_csr;
iob();
- spin_unlock_irqrestore(&kn01_lock, flags);
+ raw_spin_unlock_irqrestore(&kn01_lock, flags);
/* Clear any leftover errors from the firmware. */
dec_kn01_be_ack();