MIPS: msp71xx: Convert to new irq_chip functions

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2197/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

3 files changed, 46 insertions, 93 deletions

diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
index e64458a833e2..352f29d9226f 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c
@@ -77,7 +77,7 @@ static inline void cic_wmb(void)
         dummy_read++;
 }
 
-static inline void unmask_cic_irq(unsigned int irq)
+static void unmask_cic_irq(struct irq_data *d)
 {
         volatile u32   *cic_msk_reg = CIC_VPE0_MSK_REG;
         int vpe;
@@ -89,18 +89,18 @@ static inline void unmask_cic_irq(unsigned int irq)
         * Make sure we have IRQ affinity.  It may have changed while
         * we were processing the IRQ.
         */
-        if (!cpumask_test_cpu(smp_processor_id(), irq_desc[irq].affinity))
+        if (!cpumask_test_cpu(smp_processor_id(), d->affinity))
                 return;
 #endif
 
         vpe = get_current_vpe();
         LOCK_VPE(flags, mtflags);
-        cic_msk_reg[vpe] |= (1 << (irq - MSP_CIC_INTBASE));
+        cic_msk_reg[vpe] |= (1 << (d->irq - MSP_CIC_INTBASE));
         UNLOCK_VPE(flags, mtflags);
         cic_wmb();
 }
 
-static inline void mask_cic_irq(unsigned int irq)
+static void mask_cic_irq(struct irq_data *d)
 {
         volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG;
         int     vpe = get_current_vpe();
@@ -108,33 +108,27 @@ static inline void mask_cic_irq(unsigned int irq)
         unsigned long flags, mtflags;
 #endif
         LOCK_VPE(flags, mtflags);
-        cic_msk_reg[vpe] &= ~(1 << (irq - MSP_CIC_INTBASE));
+        cic_msk_reg[vpe] &= ~(1 << (d->irq - MSP_CIC_INTBASE));
         UNLOCK_VPE(flags, mtflags);
         cic_wmb();
 }
-static inline void msp_cic_irq_ack(unsigned int irq)
+static void msp_cic_irq_ack(struct irq_data *d)
 {
-        mask_cic_irq(irq);
+        mask_cic_irq(d);
         /*
         * Only really necessary for 18, 16-14 and sometimes 3:0
         * (since these can be edge sensitive) but it doesn't
         * hurt for the others
         */
-        *CIC_STS_REG = (1 << (irq - MSP_CIC_INTBASE));
-        smtc_im_ack_irq(irq);
-}
-
-static void msp_cic_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_cic_irq(irq);
+        *CIC_STS_REG = (1 << (d->irq - MSP_CIC_INTBASE));
+        smtc_im_ack_irq(d->irq);
 }
 
 /*Note: Limiting to VSMP . Not tested in SMTC */
 
 #ifdef CONFIG_MIPS_MT_SMP
-static inline int msp_cic_irq_set_affinity(unsigned int irq,
-                                        const struct cpumask *cpumask)
+static int msp_cic_irq_set_affinity(struct irq_data *d,
+                                    const struct cpumask *cpumask, bool force)
 {
         int cpu;
         unsigned long flags;
@@ -163,13 +157,12 @@ static inline int msp_cic_irq_set_affinity(unsigned int irq,
 
 static struct irq_chip msp_cic_irq_controller = {
         .name = "MSP_CIC",
-        .mask = mask_cic_irq,
-        .mask_ack = msp_cic_irq_ack,
-        .unmask = unmask_cic_irq,
-        .ack = msp_cic_irq_ack,
-        .end = msp_cic_irq_end,
+        .irq_mask = mask_cic_irq,
+        .irq_mask_ack = msp_cic_irq_ack,
+        .irq_unmask = unmask_cic_irq,
+        .irq_ack = msp_cic_irq_ack,
 #ifdef CONFIG_MIPS_MT_SMP
-        .set_affinity = msp_cic_irq_set_affinity,
+        .irq_set_affinity = msp_cic_irq_set_affinity,
 #endif
 };
 
@@ -220,7 +213,5 @@ void msp_cic_irq_dispatch(void)
                 do_IRQ(ffs(pending) + MSP_CIC_INTBASE - 1);
         } else{
                 spurious_interrupt();
-                /* Re-enable the CIC cascaded interrupt. */
-                irq_desc[MSP_INT_CIC].chip->end(MSP_INT_CIC);
         }
 }
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
index 72bcd70d2ddf..f9b9dcdfa9dd 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_per.c
@@ -48,100 +48,61 @@ static inline void per_wmb(void)
         dummy_read++;
 }
 
-static inline void unmask_per_irq(unsigned int irq)
+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 << (irq - MSP_PER_INTBASE));
+        *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
         spin_unlock_irqrestore(&per_lock, flags);
 #else
-        *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE));
+        *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE));
 #endif
         per_wmb();
 }
 
-static inline void mask_per_irq(unsigned int irq)
+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 << (irq - MSP_PER_INTBASE));
+        *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
         spin_unlock_irqrestore(&per_lock, flags);
 #else
-        *PER_INT_MSK_REG &= ~(1 << (irq - MSP_PER_INTBASE));
+        *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE));
 #endif
         per_wmb();
 }
 
-static inline void msp_per_irq_enable(unsigned int irq)
+static inline void msp_per_irq_ack(struct irq_data *d)
 {
-        unmask_per_irq(irq);
-}
-
-static inline void msp_per_irq_disable(unsigned int irq)
-{
-         mask_per_irq(irq);
-}
-
-static unsigned int msp_per_irq_startup(unsigned int irq)
-{
-        msp_per_irq_enable(irq);
-        return 0;
-}
-
-#define    msp_per_irq_shutdown    msp_per_irq_disable
-
-static inline void msp_per_irq_ack(unsigned int irq)
-{
-        mask_per_irq(irq);
+        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 << (irq - MSP_PER_INTBASE));
-
-        /* Re-enable the CIC cascaded interrupt and return */
-        irq_desc[MSP_INT_CIC].chip->end(MSP_INT_CIC);
-}
-
-static void msp_per_irq_end(unsigned int irq)
-{
-        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-                unmask_per_irq(irq);
+        *PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE));
 }
 
 #ifdef CONFIG_SMP
-static inline int msp_per_irq_set_affinity(unsigned int irq,
-                                const struct cpumask *affinity)
+static int msp_per_irq_set_affinity(struct irq_data *d,
+                                    const struct cpumask *affinity, bool force)
 {
-        unsigned long flags;
-        /*
-         * Calls to ack, end, startup, enable are spinlocked in setup_irq and
-         * __do_IRQ.Callers of this function do not spinlock,so we need to
-         * do so ourselves.
-         */
-        raw_spin_lock_irqsave(&irq_desc[irq].lock, flags);
-        msp_per_irq_enable(irq);
-        raw_spin_unlock_irqrestore(&irq_desc[irq].lock, flags);
+        /* WTF is this doing ????? */
+        unmask_per_irq(d);
         return 0;
-
 }
 #endif
 
 static struct irq_chip msp_per_irq_controller = {
         .name = "MSP_PER",
-        .startup = msp_per_irq_startup,
-        .shutdown = msp_per_irq_shutdown,
-        .enable = msp_per_irq_enable,
-        .disable = msp_per_irq_disable,
+        .irq_enable = unmask_per_irq.
+        .irq_disable = mask_per_irq,
+        .irq_ack = msp_per_irq_ack,
 #ifdef CONFIG_SMP
-        .set_affinity = msp_per_irq_set_affinity,
+        .irq_set_affinity = msp_per_irq_set_affinity,
 #endif
-        .ack = msp_per_irq_ack,
-        .end = msp_per_irq_end,
 };
 
 void __init msp_per_irq_init(void)
@@ -152,10 +113,7 @@ void __init msp_per_irq_init(void)
         *PER_INT_STS_REG  = 0xFFFFFFFF;
         /* initialize all the IRQ descriptors */
         for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) {
-                irq_desc[i].status = IRQ_DISABLED;
-                irq_desc[i].action = NULL;
-                irq_desc[i].depth = 1;
-                irq_desc[i].chip = &msp_per_irq_controller;
+                irq_set_chip(i, &msp_per_irq_controller);
 #ifdef CONFIG_MIPS_MT_SMTC
                 irq_hwmask[i] = C_IRQ4;
 #endif
@@ -173,7 +131,5 @@ void msp_per_irq_dispatch(void)
                 do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1);
         } else {
                 spurious_interrupt();
-        /* Re-enable the CIC cascaded interrupt and return */
-        irq_desc[MSP_INT_CIC].chip->end(MSP_INT_CIC);
         }
 }
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
index 61f390232346..8f51e4adc438 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c
@@ -21,8 +21,10 @@
 #include <msp_slp_int.h>
 #include <msp_regs.h>
 
-static inline void unmask_msp_slp_irq(unsigned int irq)
+static inline void unmask_msp_slp_irq(struct irq_data *d)
 {
+        unsigned int irq = d->irq;
+
         /* check for PER interrupt range */
         if (irq < MSP_PER_INTBASE)
                 *SLP_INT_MSK_REG |= (1 << (irq - MSP_SLP_INTBASE));
@@ -30,8 +32,10 @@ static inline void unmask_msp_slp_irq(unsigned int irq)
                 *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE));
 }
 
-static inline void mask_msp_slp_irq(unsigned int irq)
+static inline void mask_msp_slp_irq(struct irq_data *d)
 {
+        unsigned int irq = d->irq;
+
         /* check for PER interrupt range */
         if (irq < MSP_PER_INTBASE)
                 *SLP_INT_MSK_REG &= ~(1 << (irq - MSP_SLP_INTBASE));
@@ -43,8 +47,10 @@ static inline void mask_msp_slp_irq(unsigned int irq)
  * While we ack the interrupt interrupts are disabled and thus we don't need
  * to deal with concurrency issues.  Same for msp_slp_irq_end.
  */
-static inline void ack_msp_slp_irq(unsigned int irq)
+static inline void ack_msp_slp_irq(struct irq_data *d)
 {
+        unsigned int irq = d->irq;
+
         /* check for PER interrupt range */
         if (irq < MSP_PER_INTBASE)
                 *SLP_INT_STS_REG = (1 << (irq - MSP_SLP_INTBASE));
@@ -54,9 +60,9 @@ static inline void ack_msp_slp_irq(unsigned int irq)
 
 static struct irq_chip msp_slp_irq_controller = {
         .name = "MSP_SLP",
-        .ack = ack_msp_slp_irq,
-        .mask = mask_msp_slp_irq,
-        .unmask = unmask_msp_slp_irq,
+        .irq_ack = ack_msp_slp_irq,
+        .irq_mask = mask_msp_slp_irq,
+        .irq_unmask = unmask_msp_slp_irq,
 };
 
 void __init msp_slp_irq_init(void)