From 476eb4912601a8c01e6702b9a029f476b4b131d2 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Wed, 4 May 2011 15:02:15 +1000
Subject: powerpc/irq: Stop exporting irq_map

First step in eliminating irq_map[] table entirely

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/sysdev/cpm1.c             |  8 ++++----
 arch/powerpc/sysdev/cpm2_pic.c         | 10 +++++-----
 arch/powerpc/sysdev/ipic.c             | 16 +++++++---------
 arch/powerpc/sysdev/mpc8xx_pic.c       | 10 +++++-----
 arch/powerpc/sysdev/mpc8xxx_gpio.c     | 12 ++++++------
 arch/powerpc/sysdev/mpic.c             | 28 +++++++++++++---------------
 arch/powerpc/sysdev/mv64x60_pic.c      | 14 +++++++-------
 arch/powerpc/sysdev/qe_lib/qe_ic.c     |  6 ++----
 arch/powerpc/sysdev/uic.c              | 12 +++++-------
 arch/powerpc/sysdev/xics/icp-hv.c      |  2 +-
 arch/powerpc/sysdev/xics/icp-native.c  |  2 +-
 arch/powerpc/sysdev/xics/ics-rtas.c    |  8 ++++----
 arch/powerpc/sysdev/xics/xics-common.c |  4 ++--
 arch/powerpc/sysdev/xilinx_intc.c      |  8 ++++----
 14 files changed, 66 insertions(+), 74 deletions(-)

(limited to 'arch/powerpc/sysdev')

diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c
index e0bc944eb23f..350787c83e22 100644
--- a/arch/powerpc/sysdev/cpm1.c
+++ b/arch/powerpc/sysdev/cpm1.c
@@ -58,21 +58,21 @@ static struct irq_host *cpm_pic_host;
 
 static void cpm_mask_irq(struct irq_data *d)
 {
-	unsigned int cpm_vec = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d);
 
 	clrbits32(&cpic_reg->cpic_cimr, (1 << cpm_vec));
 }
 
 static void cpm_unmask_irq(struct irq_data *d)
 {
-	unsigned int cpm_vec = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d);
 
 	setbits32(&cpic_reg->cpic_cimr, (1 << cpm_vec));
 }
 
 static void cpm_end_irq(struct irq_data *d)
 {
-	unsigned int cpm_vec = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int cpm_vec = (unsigned int)irqd_to_hwirq(d);
 
 	out_be32(&cpic_reg->cpic_cisr, (1 << cpm_vec));
 }
@@ -157,7 +157,7 @@ unsigned int cpm_pic_init(void)
 		goto end;
 
 	/* Initialize the CPM interrupt controller. */
-	hwirq = (unsigned int)irq_map[sirq].hwirq;
+	hwirq = (unsigned int)virq_to_hw(sirq);
 	out_be32(&cpic_reg->cpic_cicr,
 	    (CICR_SCD_SCC4 | CICR_SCC_SCC3 | CICR_SCB_SCC2 | CICR_SCA_SCC1) |
 		((hwirq/2) << 13) | CICR_HP_MASK);
diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c
index 5495c1be472b..bcab50e2a9eb 100644
--- a/arch/powerpc/sysdev/cpm2_pic.c
+++ b/arch/powerpc/sysdev/cpm2_pic.c
@@ -81,7 +81,7 @@ static const u_char irq_to_siubit[] = {
 static void cpm2_mask_irq(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = virq_to_hw(d->irq);
+	unsigned int irq_nr = irqd_to_hwirq(d);
 
 	bit = irq_to_siubit[irq_nr];
 	word = irq_to_siureg[irq_nr];
@@ -93,7 +93,7 @@ static void cpm2_mask_irq(struct irq_data *d)
 static void cpm2_unmask_irq(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = virq_to_hw(d->irq);
+	unsigned int irq_nr = irqd_to_hwirq(d);
 
 	bit = irq_to_siubit[irq_nr];
 	word = irq_to_siureg[irq_nr];
@@ -105,7 +105,7 @@ static void cpm2_unmask_irq(struct irq_data *d)
 static void cpm2_ack(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = virq_to_hw(d->irq);
+	unsigned int irq_nr = irqd_to_hwirq(d);
 
 	bit = irq_to_siubit[irq_nr];
 	word = irq_to_siureg[irq_nr];
@@ -116,7 +116,7 @@ static void cpm2_ack(struct irq_data *d)
 static void cpm2_end_irq(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = virq_to_hw(d->irq);
+	unsigned int irq_nr = irqd_to_hwirq(d);
 
 	bit = irq_to_siubit[irq_nr];
 	word = irq_to_siureg[irq_nr];
@@ -133,7 +133,7 @@ static void cpm2_end_irq(struct irq_data *d)
 
 static int cpm2_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
-	unsigned int src = virq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned int vold, vnew, edibit;
 
 	/* Port C interrupts are either IRQ_TYPE_EDGE_FALLING or
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index fa438be962b7..f0ece79f9be5 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -521,12 +521,10 @@ static inline struct ipic * ipic_from_irq(unsigned int virq)
 	return primary_ipic;
 }
 
-#define ipic_irq_to_hw(virq)	((unsigned int)irq_map[virq].hwirq)
-
 static void ipic_unmask_irq(struct irq_data *d)
 {
 	struct ipic *ipic = ipic_from_irq(d->irq);
-	unsigned int src = ipic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
@@ -542,7 +540,7 @@ static void ipic_unmask_irq(struct irq_data *d)
 static void ipic_mask_irq(struct irq_data *d)
 {
 	struct ipic *ipic = ipic_from_irq(d->irq);
-	unsigned int src = ipic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
@@ -562,7 +560,7 @@ static void ipic_mask_irq(struct irq_data *d)
 static void ipic_ack_irq(struct irq_data *d)
 {
 	struct ipic *ipic = ipic_from_irq(d->irq);
-	unsigned int src = ipic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
@@ -581,7 +579,7 @@ static void ipic_ack_irq(struct irq_data *d)
 static void ipic_mask_irq_and_ack(struct irq_data *d)
 {
 	struct ipic *ipic = ipic_from_irq(d->irq);
-	unsigned int src = ipic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
@@ -604,7 +602,7 @@ static void ipic_mask_irq_and_ack(struct irq_data *d)
 static int ipic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
 	struct ipic *ipic = ipic_from_irq(d->irq);
-	unsigned int src = ipic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned int vold, vnew, edibit;
 
 	if (flow_type == IRQ_TYPE_NONE)
@@ -793,7 +791,7 @@ struct ipic * __init ipic_init(struct device_node *node, unsigned int flags)
 int ipic_set_priority(unsigned int virq, unsigned int priority)
 {
 	struct ipic *ipic = ipic_from_irq(virq);
-	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned int src = virq_to_hw(virq);
 	u32 temp;
 
 	if (priority > 7)
@@ -821,7 +819,7 @@ int ipic_set_priority(unsigned int virq, unsigned int priority)
 void ipic_set_highest_priority(unsigned int virq)
 {
 	struct ipic *ipic = ipic_from_irq(virq);
-	unsigned int src = ipic_irq_to_hw(virq);
+	unsigned int src = virq_to_hw(virq);
 	u32 temp;
 
 	temp = ipic_read(ipic->regs, IPIC_SICFR);
diff --git a/arch/powerpc/sysdev/mpc8xx_pic.c b/arch/powerpc/sysdev/mpc8xx_pic.c
index a88800ff4d01..20924f2246f0 100644
--- a/arch/powerpc/sysdev/mpc8xx_pic.c
+++ b/arch/powerpc/sysdev/mpc8xx_pic.c
@@ -28,7 +28,7 @@ int cpm_get_irq(struct pt_regs *regs);
 static void mpc8xx_unmask_irq(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
 
 	bit = irq_nr & 0x1f;
 	word = irq_nr >> 5;
@@ -40,7 +40,7 @@ static void mpc8xx_unmask_irq(struct irq_data *d)
 static void mpc8xx_mask_irq(struct irq_data *d)
 {
 	int	bit, word;
-	unsigned int irq_nr = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
 
 	bit = irq_nr & 0x1f;
 	word = irq_nr >> 5;
@@ -52,7 +52,7 @@ static void mpc8xx_mask_irq(struct irq_data *d)
 static void mpc8xx_ack(struct irq_data *d)
 {
 	int	bit;
-	unsigned int irq_nr = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
 
 	bit = irq_nr & 0x1f;
 	out_be32(&siu_reg->sc_sipend, 1 << (31-bit));
@@ -61,7 +61,7 @@ static void mpc8xx_ack(struct irq_data *d)
 static void mpc8xx_end_irq(struct irq_data *d)
 {
 	int bit, word;
-	unsigned int irq_nr = (unsigned int)irq_map[d->irq].hwirq;
+	unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
 
 	bit = irq_nr & 0x1f;
 	word = irq_nr >> 5;
@@ -73,7 +73,7 @@ static void mpc8xx_end_irq(struct irq_data *d)
 static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
 	if (flow_type & IRQ_TYPE_EDGE_FALLING) {
-		irq_hw_number_t hw = (unsigned int)irq_map[d->irq].hwirq;
+		irq_hw_number_t hw = (unsigned int)irqd_to_hwirq(d);
 		unsigned int siel = in_be32(&siu_reg->sc_siel);
 
 		/* only external IRQ senses are programmable */
diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c
index 0892a2841c2b..fb4963abdf55 100644
--- a/arch/powerpc/sysdev/mpc8xxx_gpio.c
+++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c
@@ -163,7 +163,7 @@ static void mpc8xxx_irq_unmask(struct irq_data *d)
 
 	spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
 
-	setbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(virq_to_hw(d->irq)));
+	setbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
 
 	spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
 }
@@ -176,7 +176,7 @@ static void mpc8xxx_irq_mask(struct irq_data *d)
 
 	spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
 
-	clrbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(virq_to_hw(d->irq)));
+	clrbits32(mm->regs + GPIO_IMR, mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
 
 	spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
 }
@@ -186,7 +186,7 @@ static void mpc8xxx_irq_ack(struct irq_data *d)
 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = irq_data_get_irq_chip_data(d);
 	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
 
-	out_be32(mm->regs + GPIO_IER, mpc8xxx_gpio2mask(virq_to_hw(d->irq)));
+	out_be32(mm->regs + GPIO_IER, mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
 }
 
 static int mpc8xxx_irq_set_type(struct irq_data *d, unsigned int flow_type)
@@ -199,14 +199,14 @@ static int mpc8xxx_irq_set_type(struct irq_data *d, unsigned int flow_type)
 	case IRQ_TYPE_EDGE_FALLING:
 		spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
 		setbits32(mm->regs + GPIO_ICR,
-			  mpc8xxx_gpio2mask(virq_to_hw(d->irq)));
+			  mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
 		spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
 		break;
 
 	case IRQ_TYPE_EDGE_BOTH:
 		spin_lock_irqsave(&mpc8xxx_gc->lock, flags);
 		clrbits32(mm->regs + GPIO_ICR,
-			  mpc8xxx_gpio2mask(virq_to_hw(d->irq)));
+			  mpc8xxx_gpio2mask(irqd_to_hwirq(d)));
 		spin_unlock_irqrestore(&mpc8xxx_gc->lock, flags);
 		break;
 
@@ -221,7 +221,7 @@ static int mpc512x_irq_set_type(struct irq_data *d, unsigned int flow_type)
 {
 	struct mpc8xxx_gpio_chip *mpc8xxx_gc = irq_data_get_irq_chip_data(d);
 	struct of_mm_gpio_chip *mm = &mpc8xxx_gc->mm_gc;
-	unsigned long gpio = virq_to_hw(d->irq);
+	unsigned long gpio = irqd_to_hwirq(d);
 	void __iomem *reg;
 	unsigned int shift;
 	unsigned long flags;
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index f91c065bed5a..824a94fc413b 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -607,8 +607,6 @@ static int irq_choose_cpu(const struct cpumask *mask)
 }
 #endif
 
-#define mpic_irq_to_hw(virq)	((unsigned int)irq_map[virq].hwirq)
-
 /* Find an mpic associated with a given linux interrupt */
 static struct mpic *mpic_find(unsigned int irq)
 {
@@ -621,7 +619,7 @@ static struct mpic *mpic_find(unsigned int irq)
 /* Determine if the linux irq is an IPI */
 static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int irq)
 {
-	unsigned int src = mpic_irq_to_hw(irq);
+	unsigned int src = virq_to_hw(irq);
 
 	return (src >= mpic->ipi_vecs[0] && src <= mpic->ipi_vecs[3]);
 }
@@ -674,7 +672,7 @@ void mpic_unmask_irq(struct irq_data *d)
 {
 	unsigned int loops = 100000;
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, d->irq, src);
 
@@ -695,7 +693,7 @@ void mpic_mask_irq(struct irq_data *d)
 {
 	unsigned int loops = 100000;
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	DBG("%s: disable_irq: %d (src %d)\n", mpic->name, d->irq, src);
 
@@ -733,7 +731,7 @@ void mpic_end_irq(struct irq_data *d)
 static void mpic_unmask_ht_irq(struct irq_data *d)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	mpic_unmask_irq(d);
 
@@ -744,7 +742,7 @@ static void mpic_unmask_ht_irq(struct irq_data *d)
 static unsigned int mpic_startup_ht_irq(struct irq_data *d)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	mpic_unmask_irq(d);
 	mpic_startup_ht_interrupt(mpic, src, irqd_is_level_type(d));
@@ -755,7 +753,7 @@ static unsigned int mpic_startup_ht_irq(struct irq_data *d)
 static void mpic_shutdown_ht_irq(struct irq_data *d)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	mpic_shutdown_ht_interrupt(mpic, src);
 	mpic_mask_irq(d);
@@ -764,7 +762,7 @@ static void mpic_shutdown_ht_irq(struct irq_data *d)
 static void mpic_end_ht_irq(struct irq_data *d)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 #ifdef DEBUG_IRQ
 	DBG("%s: end_irq: %d\n", mpic->name, d->irq);
@@ -785,7 +783,7 @@ static void mpic_end_ht_irq(struct irq_data *d)
 static void mpic_unmask_ipi(struct irq_data *d)
 {
 	struct mpic *mpic = mpic_from_ipi(d);
-	unsigned int src = mpic_irq_to_hw(d->irq) - mpic->ipi_vecs[0];
+	unsigned int src = virq_to_hw(d->irq) - mpic->ipi_vecs[0];
 
 	DBG("%s: enable_ipi: %d (ipi %d)\n", mpic->name, d->irq, src);
 	mpic_ipi_write(src, mpic_ipi_read(src) & ~MPIC_VECPRI_MASK);
@@ -816,7 +814,7 @@ int mpic_set_affinity(struct irq_data *d, const struct cpumask *cpumask,
 		      bool force)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 
 	if (mpic->flags & MPIC_SINGLE_DEST_CPU) {
 		int cpuid = irq_choose_cpu(cpumask);
@@ -862,7 +860,7 @@ static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)
 int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
 	struct mpic *mpic = mpic_from_irq_data(d);
-	unsigned int src = mpic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned int vecpri, vold, vnew;
 
 	DBG("mpic: set_irq_type(mpic:@%p,virq:%d,src:0x%x,type:0x%x)\n",
@@ -898,7 +896,7 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 void mpic_set_vector(unsigned int virq, unsigned int vector)
 {
 	struct mpic *mpic = mpic_from_irq(virq);
-	unsigned int src = mpic_irq_to_hw(virq);
+	unsigned int src = virq_to_hw(virq);
 	unsigned int vecpri;
 
 	DBG("mpic: set_vector(mpic:@%p,virq:%d,src:%d,vector:0x%x)\n",
@@ -916,7 +914,7 @@ void mpic_set_vector(unsigned int virq, unsigned int vector)
 void mpic_set_destination(unsigned int virq, unsigned int cpuid)
 {
 	struct mpic *mpic = mpic_from_irq(virq);
-	unsigned int src = mpic_irq_to_hw(virq);
+	unsigned int src = virq_to_hw(virq);
 
 	DBG("mpic: set_destination(mpic:@%p,virq:%d,src:%d,cpuid:0x%x)\n",
 	    mpic, virq, src, cpuid);
@@ -1427,7 +1425,7 @@ void __init mpic_set_serial_int(struct mpic *mpic, int enable)
 void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
 {
 	struct mpic *mpic = mpic_find(irq);
-	unsigned int src = mpic_irq_to_hw(irq);
+	unsigned int src = virq_to_hw(irq);
 	unsigned long flags;
 	u32 reg;
 
diff --git a/arch/powerpc/sysdev/mv64x60_pic.c b/arch/powerpc/sysdev/mv64x60_pic.c
index e9c633c7c083..14d130268e7a 100644
--- a/arch/powerpc/sysdev/mv64x60_pic.c
+++ b/arch/powerpc/sysdev/mv64x60_pic.c
@@ -78,7 +78,7 @@ static struct irq_host *mv64x60_irq_host;
 
 static void mv64x60_mask_low(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -91,7 +91,7 @@ static void mv64x60_mask_low(struct irq_data *d)
 
 static void mv64x60_unmask_low(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -115,7 +115,7 @@ static struct irq_chip mv64x60_chip_low = {
 
 static void mv64x60_mask_high(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -128,7 +128,7 @@ static void mv64x60_mask_high(struct irq_data *d)
 
 static void mv64x60_unmask_high(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -152,7 +152,7 @@ static struct irq_chip mv64x60_chip_high = {
 
 static void mv64x60_mask_gpp(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -165,7 +165,7 @@ static void mv64x60_mask_gpp(struct irq_data *d)
 
 static void mv64x60_mask_ack_gpp(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
@@ -180,7 +180,7 @@ static void mv64x60_mask_ack_gpp(struct irq_data *d)
 
 static void mv64x60_unmask_gpp(struct irq_data *d)
 {
-	int level2 = irq_map[d->irq].hwirq & MV64x60_LEVEL2_MASK;
+	int level2 = irqd_to_hwirq(d) & MV64x60_LEVEL2_MASK;
 	unsigned long flags;
 
 	spin_lock_irqsave(&mv64x60_lock, flags);
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 832d6924ad1c..b2acda07220d 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -197,12 +197,10 @@ static inline struct qe_ic *qe_ic_from_irq_data(struct irq_data *d)
 	return irq_data_get_irq_chip_data(d);
 }
 
-#define virq_to_hw(virq)	((unsigned int)irq_map[virq].hwirq)
-
 static void qe_ic_unmask_irq(struct irq_data *d)
 {
 	struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
-	unsigned int src = virq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
@@ -218,7 +216,7 @@ static void qe_ic_unmask_irq(struct irq_data *d)
 static void qe_ic_mask_irq(struct irq_data *d)
 {
 	struct qe_ic *qe_ic = qe_ic_from_irq_data(d);
-	unsigned int src = virq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 temp;
 
diff --git a/arch/powerpc/sysdev/uic.c b/arch/powerpc/sysdev/uic.c
index 5d9138516628..984cd2029158 100644
--- a/arch/powerpc/sysdev/uic.c
+++ b/arch/powerpc/sysdev/uic.c
@@ -41,8 +41,6 @@
 #define UIC_VR		0x7
 #define UIC_VCR		0x8
 
-#define uic_irq_to_hw(virq)	(irq_map[virq].hwirq)
-
 struct uic *primary_uic;
 
 struct uic {
@@ -58,7 +56,7 @@ struct uic {
 static void uic_unmask_irq(struct irq_data *d)
 {
 	struct uic *uic = irq_data_get_irq_chip_data(d);
-	unsigned int src = uic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 er, sr;
 
@@ -76,7 +74,7 @@ static void uic_unmask_irq(struct irq_data *d)
 static void uic_mask_irq(struct irq_data *d)
 {
 	struct uic *uic = irq_data_get_irq_chip_data(d);
-	unsigned int src = uic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 er;
 
@@ -90,7 +88,7 @@ static void uic_mask_irq(struct irq_data *d)
 static void uic_ack_irq(struct irq_data *d)
 {
 	struct uic *uic = irq_data_get_irq_chip_data(d);
-	unsigned int src = uic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 
 	spin_lock_irqsave(&uic->lock, flags);
@@ -101,7 +99,7 @@ static void uic_ack_irq(struct irq_data *d)
 static void uic_mask_ack_irq(struct irq_data *d)
 {
 	struct uic *uic = irq_data_get_irq_chip_data(d);
-	unsigned int src = uic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	u32 er, sr;
 
@@ -126,7 +124,7 @@ static void uic_mask_ack_irq(struct irq_data *d)
 static int uic_set_irq_type(struct irq_data *d, unsigned int flow_type)
 {
 	struct uic *uic = irq_data_get_irq_chip_data(d);
-	unsigned int src = uic_irq_to_hw(d->irq);
+	unsigned int src = irqd_to_hwirq(d);
 	unsigned long flags;
 	int trigger, polarity;
 	u32 tr, pr, mask;
diff --git a/arch/powerpc/sysdev/xics/icp-hv.c b/arch/powerpc/sysdev/xics/icp-hv.c
index b03d348b19a5..76e87245bbfe 100644
--- a/arch/powerpc/sysdev/xics/icp-hv.c
+++ b/arch/powerpc/sysdev/xics/icp-hv.c
@@ -58,7 +58,7 @@ static inline void icp_hv_set_qirr(int n_cpu , u8 value)
 
 static void icp_hv_eoi(struct irq_data *d)
 {
-	unsigned int hw_irq = (unsigned int)irq_data_to_hw(d);
+	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
 
 	iosync();
 	icp_hv_set_xirr((xics_pop_cppr() << 24) | hw_irq);
diff --git a/arch/powerpc/sysdev/xics/icp-native.c b/arch/powerpc/sysdev/xics/icp-native.c
index be5e3d748edb..d9e0515592c4 100644
--- a/arch/powerpc/sysdev/xics/icp-native.c
+++ b/arch/powerpc/sysdev/xics/icp-native.c
@@ -80,7 +80,7 @@ static void icp_native_set_cpu_priority(unsigned char cppr)
 
 static void icp_native_eoi(struct irq_data *d)
 {
-	unsigned int hw_irq = (unsigned int)irq_data_to_hw(d);
+	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
 
 	iosync();
 	icp_native_set_xirr((xics_pop_cppr() << 24) | hw_irq);
diff --git a/arch/powerpc/sysdev/xics/ics-rtas.c b/arch/powerpc/sysdev/xics/ics-rtas.c
index 610c148fedcc..c782f85cf7e4 100644
--- a/arch/powerpc/sysdev/xics/ics-rtas.c
+++ b/arch/powerpc/sysdev/xics/ics-rtas.c
@@ -38,7 +38,7 @@ static struct ics ics_rtas = {
 
 static void ics_rtas_unmask_irq(struct irq_data *d)
 {
-	unsigned int hw_irq = (unsigned int)irq_data_to_hw(d);
+	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
 	int call_status;
 	int server;
 
@@ -109,7 +109,7 @@ static void ics_rtas_mask_real_irq(unsigned int hw_irq)
 
 static void ics_rtas_mask_irq(struct irq_data *d)
 {
-	unsigned int hw_irq = (unsigned int)irq_data_to_hw(d);
+	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
 
 	pr_devel("xics: mask virq %d [hw 0x%x]\n", d->irq, hw_irq);
 
@@ -122,7 +122,7 @@ static int ics_rtas_set_affinity(struct irq_data *d,
 				 const struct cpumask *cpumask,
 				 bool force)
 {
-	unsigned int hw_irq = (unsigned int)irq_data_to_hw(d);
+	unsigned int hw_irq = (unsigned int)irqd_to_hwirq(d);
 	int status;
 	int xics_status[2];
 	int irq_server;
@@ -171,7 +171,7 @@ static struct irq_chip ics_rtas_irq_chip = {
 
 static int ics_rtas_map(struct ics *ics, unsigned int virq)
 {
-	unsigned int hw_irq = (unsigned int)irq_map[virq].hwirq;
+	unsigned int hw_irq = (unsigned int)virq_to_hw(virq);
 	int status[2];
 	int rc;
 
diff --git a/arch/powerpc/sysdev/xics/xics-common.c b/arch/powerpc/sysdev/xics/xics-common.c
index c58844d72426..a0576b705ddd 100644
--- a/arch/powerpc/sysdev/xics/xics-common.c
+++ b/arch/powerpc/sysdev/xics/xics-common.c
@@ -240,9 +240,9 @@ void xics_migrate_irqs_away(void)
 		/* We can't set affinity on ISA interrupts */
 		if (virq < NUM_ISA_INTERRUPTS)
 			continue;
-		if (irq_map[virq].host != xics_host)
+		if (virq_to_host(virq) != xics_host)
 			continue;
-		irq = (unsigned int)irq_map[virq].hwirq;
+		irq = (unsigned int)virq_to_hw(virq);
 		/* We need to get IPIs still. */
 		if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS)
 			continue;
diff --git a/arch/powerpc/sysdev/xilinx_intc.c b/arch/powerpc/sysdev/xilinx_intc.c
index 0a13fc19e287..6183799754af 100644
--- a/arch/powerpc/sysdev/xilinx_intc.c
+++ b/arch/powerpc/sysdev/xilinx_intc.c
@@ -71,7 +71,7 @@ static unsigned char xilinx_intc_map_senses[] = {
  */
 static void xilinx_intc_mask(struct irq_data *d)
 {
-	int irq = virq_to_hw(d->irq);
+	int irq = irqd_to_hwirq(d);
 	void * regs = irq_data_get_irq_chip_data(d);
 	pr_debug("mask: %d\n", irq);
 	out_be32(regs + XINTC_CIE, 1 << irq);
@@ -87,7 +87,7 @@ static int xilinx_intc_set_type(struct irq_data *d, unsigned int flow_type)
  */
 static void xilinx_intc_level_unmask(struct irq_data *d)
 {
-	int irq = virq_to_hw(d->irq);
+	int irq = irqd_to_hwirq(d);
 	void * regs = irq_data_get_irq_chip_data(d);
 	pr_debug("unmask: %d\n", irq);
 	out_be32(regs + XINTC_SIE, 1 << irq);
@@ -112,7 +112,7 @@ static struct irq_chip xilinx_intc_level_irqchip = {
  */
 static void xilinx_intc_edge_unmask(struct irq_data *d)
 {
-	int irq = virq_to_hw(d->irq);
+	int irq = irqd_to_hwirq(d);
 	void *regs = irq_data_get_irq_chip_data(d);
 	pr_debug("unmask: %d\n", irq);
 	out_be32(regs + XINTC_SIE, 1 << irq);
@@ -120,7 +120,7 @@ static void xilinx_intc_edge_unmask(struct irq_data *d)
 
 static void xilinx_intc_edge_ack(struct irq_data *d)
 {
-	int irq = virq_to_hw(d->irq);
+	int irq = irqd_to_hwirq(d);
 	void * regs = irq_data_get_irq_chip_data(d);
 	pr_debug("ack: %d\n", irq);
 	out_be32(regs + XINTC_IAR, 1 << irq);
-- 
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