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

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / saa7134 / saa7134-core.c

diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 535172f643b9273389427159ba7e1ee999300daa..5c9e63dfbea6ef3227385e5e1652a0e8caf99e15 100644 (file)
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -95,8 +95,8 @@ LIST_HEAD(saa7134_devlist);
 static LIST_HEAD(mops_list);
 static unsigned int saa7134_devcount;
 
-int (*dmasound_init)(struct saa7134_dev *dev);
-int (*dmasound_exit)(struct saa7134_dev *dev);
+int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
+int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
 
 #define dprintk(fmt, arg...)   if (core_debug) \
        printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
@@ -495,7 +495,7 @@ static void print_irqstatus(struct saa7134_dev *dev, int loop,
        printk("\n");
 }
 
-static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t saa7134_irq(int irq, void *dev_id)
 {
        struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
        unsigned long report,status;
@@ -843,7 +843,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
                        latency = 0x0A;
                }
 #endif
-               if (pci_pci_problems & PCIPCI_FAIL) {
+               if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
                        printk(KERN_INFO "%s: quirk: this driver and your "
                                        "chipset may not work together"
                                        " in overlay mode.\n",dev->name);
@@ -923,7 +923,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 
        /* get irq */
        err = request_irq(pci_dev->irq, saa7134_irq,
-                         SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
+                         IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
        if (err < 0) {
                printk(KERN_ERR "%s: can't get IRQ %d\n",
                       dev->name,pci_dev->irq);
@@ -1008,8 +1008,8 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
        /* check for signal */
        saa7134_irq_video_intl(dev);
 
-       if (dmasound_init && !dev->dmasound.priv_data) {
-               dmasound_init(dev);
+       if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
+               saa7134_dmasound_init(dev);
        }
 
        return 0;
@@ -1036,8 +1036,8 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
        struct saa7134_mpeg_ops *mops;
 
        /* Release DMA sound modules if present */
-       if (dmasound_exit && dev->dmasound.priv_data) {
-               dmasound_exit(dev);
+       if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
+               saa7134_dmasound_exit(dev);
        }
 
        /* debugging ... */
@@ -1169,8 +1169,8 @@ EXPORT_SYMBOL(saa7134_boards);
 
 /* ----------------- for the DMA sound modules --------------- */
 
-EXPORT_SYMBOL(dmasound_init);
-EXPORT_SYMBOL(dmasound_exit);
+EXPORT_SYMBOL(saa7134_dmasound_init);
+EXPORT_SYMBOL(saa7134_dmasound_exit);
 EXPORT_SYMBOL(saa7134_pgtable_free);
 EXPORT_SYMBOL(saa7134_pgtable_build);
 EXPORT_SYMBOL(saa7134_pgtable_alloc);