1 files changed, 0 insertions, 127 deletions
diff --git a/arch/mips/pmcs-msp71xx/msp_irq_per.c b/arch/mips/pmcs-msp71xx/msp_irq_per.c
deleted file mode 100644
index b284412b2923..000000000000
--- a/arch/mips/pmcs-msp71xx/msp_irq_per.c
+++ /dev/null
@@ -1,127 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c
- *
- * This file define the irq handler for MSP PER subsystem interrupts.
- */
-
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/kernel.h>
-#include <linux/spinlock.h>
-#include <linux/bitops.h>
-
-#include <asm/mipsregs.h>
-
-#include <msp_cic_int.h>
-#include <msp_regs.h>
-
-
-/*
- * Convenience Macro.  Should be somewhere generic.
- */
-#define get_current_vpe()	\
-	((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE)
-
-#ifdef CONFIG_SMP
-/*
- * The PER registers must be protected from concurrent access.
- */
-
-static DEFINE_SPINLOCK(per_lock);
-#endif
-
-/* ensure writes to per are completed */
-
-static inline void per_wmb(void)
-{
-	const volatile void __iomem *per_mem = PER_INT_MSK_REG;
-	volatile u32 dummy_read;
-
-	wmb();
-	dummy_read = __raw_readl(per_mem);
-	dummy_read++;
-}
-
-static inline void unmask_per_irq(struct irq_data *d)
-{
-#ifdef CONFIG_SMP
-	unsigned long flags;
-	spin_lock_irqsave(&per_lock, flags);
-	*PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
-	spin_unlock_irqrestore(&per_lock, flags);
-#else
-	*PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
-#endif
-	per_wmb();
-}
-
-static inline void mask_per_irq(struct irq_data *d)
-{
-#ifdef CONFIG_SMP
-	unsigned long flags;
-	spin_lock_irqsave(&per_lock, flags);
-	*PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
-	spin_unlock_irqrestore(&per_lock, flags);
-#else
-	*PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
-#endif
-	per_wmb();
-}
-
-static inline void msp_per_irq_ack(struct irq_data *d)
-{
-	mask_per_irq(d);
-	/*
-	 * In the PER interrupt controller, only bits 11 and 10
-	 * are write-to-clear, (SPI TX complete, SPI RX complete).
-	 * It does nothing for any others.
-	 */
-	*PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE));
-}
-
-#ifdef CONFIG_SMP
-static int msp_per_irq_set_affinity(struct irq_data *d,
-				    const struct cpumask *affinity, bool force)
-{
-	/* WTF is this doing ????? */
-	unmask_per_irq(d);
-	return 0;
-}
-#endif
-
-static struct irq_chip msp_per_irq_controller = {
-	.name = "MSP_PER",
-	.irq_enable = unmask_per_irq,
-	.irq_disable = mask_per_irq,
-	.irq_ack = msp_per_irq_ack,
-#ifdef CONFIG_SMP
-	.irq_set_affinity = msp_per_irq_set_affinity,
-#endif
-};
-
-void __init msp_per_irq_init(void)
-{
-	int i;
-	/* Mask/clear interrupts. */
-	*PER_INT_MSK_REG  = 0x00000000;
-	*PER_INT_STS_REG  = 0xFFFFFFFF;
-	/* initialize all the IRQ descriptors */
-	for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) {
-		irq_set_chip(i, &msp_per_irq_controller);
-	}
-}
-
-void msp_per_irq_dispatch(void)
-{
-	u32	per_mask = *PER_INT_MSK_REG;
-	u32	per_status = *PER_INT_STS_REG;
-	u32	pending;
-
-	pending = per_status & per_mask;
-	if (pending) {
-		do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1);
-	} else {
-		spurious_interrupt();
-	}
-}