IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / char / hpet.c

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 07473cd84121b54c66fc47d7776d4d64d6eb02bf..091a11cd878c21731898313185e43058228d4dcd 100644 (file)
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -11,7 +11,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/config.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -117,7 +116,7 @@ static inline void writeq(unsigned long long v, void __iomem *addr)
 }
 #endif
 
-static irqreturn_t hpet_interrupt(int irq, void *data, struct pt_regs *regs)
+static irqreturn_t hpet_interrupt(int irq, void *data)
 {
        struct hpet_dev *devp;
        unsigned long isr;
@@ -396,7 +395,7 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
 
                sprintf(devp->hd_name, "hpet%d", (int)(devp - hpetp->hp_dev));
                irq_flags = devp->hd_flags & HPET_SHARED_IRQ
-                                               ? SA_SHIRQ : SA_INTERRUPT;
+                                               ? IRQF_SHARED : IRQF_DISABLED;
                if (request_irq(irq, hpet_interrupt, irq_flags,
                                devp->hd_name, (void *)devp)) {
                        printk(KERN_ERR "hpet: IRQ %d is not free\n", irq);
@@ -554,7 +553,7 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel)
        return err;
 }
 
-static struct file_operations hpet_fops = {
+static const struct file_operations hpet_fops = {
        .owner = THIS_MODULE,
        .llseek = no_llseek,
        .read = hpet_read,
@@ -869,8 +868,8 @@ int hpet_alloc(struct hpet_data *hdp)
        do_div(temp, period);
        hpetp->hp_tick_freq = temp; /* ticks per second */
 
-       printk(KERN_INFO "hpet%d: at MMIO 0x%lx (virtual 0x%p), IRQ%s",
-               hpetp->hp_which, hdp->hd_phys_address, hdp->hd_address,
+       printk(KERN_INFO "hpet%d: at MMIO 0x%lx, IRQ%s",
+               hpetp->hp_which, hdp->hd_phys_address,
                hpetp->hp_ntimer > 1 ? "s" : "");
        for (i = 0; i < hpetp->hp_ntimer; i++)
                printk("%s %d", i > 0 ? "," : "", hdp->hd_irq[i]);