dbri: Convert to pure OF driver.
David S. Miller [Wed, 27 Aug 2008 07:30:59 +0000 (00:30 -0700)]
Signed-off-by: David S. Miller <davem@davemloft.net>

sound/sparc/dbri.c

index 5242ecb..446f985 100644 (file)
@@ -67,7 +67,7 @@
 #include <sound/initval.h>
 
 #include <linux/of.h>
-#include <asm/sbus.h>
+#include <linux/of_device.h>
 #include <asm/atomic.h>
 
 MODULE_AUTHOR("Rudolf Koenig, Brent Baccala and Martin Habets");
@@ -298,7 +298,7 @@ struct dbri_streaminfo {
 /* This structure holds the information for both chips (DBRI & CS4215) */
 struct snd_dbri {
        int regs_size, irq;     /* Needed for unload */
-       struct sbus_dev *sdev;  /* SBUS device info */
+       struct of_device *op;   /* OF device info */
        spinlock_t lock;
 
        struct dbri_dma *dma;   /* Pointer to our DMA block */
@@ -2099,7 +2099,7 @@ static int snd_dbri_hw_params(struct snd_pcm_substream *substream,
                        direction = DMA_FROM_DEVICE;
 
                info->dvma_buffer =
-                       dma_map_single(&dbri->sdev->ofdev.dev,
+                       dma_map_single(&dbri->op->dev,
                                       runtime->dma_area,
                                       params_buffer_bytes(hw_params),
                                       direction);
@@ -2127,7 +2127,7 @@ static int snd_dbri_hw_free(struct snd_pcm_substream *substream)
                else
                        direction = DMA_FROM_DEVICE;
 
-               dma_unmap_single(&dbri->sdev->ofdev.dev, info->dvma_buffer,
+               dma_unmap_single(&dbri->op->dev, info->dvma_buffer,
                                 substream->runtime->buffer_size, direction);
                info->dvma_buffer = 0;
        }
@@ -2516,17 +2516,17 @@ static void __devinit snd_dbri_proc(struct snd_card *card)
 static void snd_dbri_free(struct snd_dbri *dbri);
 
 static int __devinit snd_dbri_create(struct snd_card *card,
-                                 struct sbus_dev *sdev,
-                                 int irq, int dev)
+                                    struct of_device *op,
+                                    int irq, int dev)
 {
        struct snd_dbri *dbri = card->private_data;
        int err;
 
        spin_lock_init(&dbri->lock);
-       dbri->sdev = sdev;
+       dbri->op = op;
        dbri->irq = irq;
 
-       dbri->dma = dma_alloc_coherent(&sdev->ofdev.dev,
+       dbri->dma = dma_alloc_coherent(&op->dev,
                                       sizeof(struct dbri_dma),
                                       &dbri->dma_dvma, GFP_ATOMIC);
        memset((void *)dbri->dma, 0, sizeof(struct dbri_dma));
@@ -2535,12 +2535,12 @@ static int __devinit snd_dbri_create(struct snd_card *card,
                dbri->dma, dbri->dma_dvma);
 
        /* Map the registers into memory. */
-       dbri->regs_size = sdev->reg_addrs[0].reg_size;
-       dbri->regs = sbus_ioremap(&sdev->resource[0], 0,
-                                 dbri->regs_size, "DBRI Registers");
+       dbri->regs_size = resource_size(&op->resource[0]);
+       dbri->regs = of_ioremap(&op->resource[0], 0,
+                               dbri->regs_size, "DBRI Registers");
        if (!dbri->regs) {
                printk(KERN_ERR "DBRI: could not allocate registers\n");
-               dma_free_coherent(&sdev->ofdev.dev, sizeof(struct dbri_dma),
+               dma_free_coherent(&op->dev, sizeof(struct dbri_dma),
                                  (void *)dbri->dma, dbri->dma_dvma);
                return -EIO;
        }
@@ -2549,8 +2549,8 @@ static int __devinit snd_dbri_create(struct snd_card *card,
                          "DBRI audio", dbri);
        if (err) {
                printk(KERN_ERR "DBRI: Can't get irq %d\n", dbri->irq);
-               sbus_iounmap(dbri->regs, dbri->regs_size);
-               dma_free_coherent(&sdev->ofdev.dev, sizeof(struct dbri_dma),
+               of_iounmap(&op->resource[0], dbri->regs, dbri->regs_size);
+               dma_free_coherent(&op->dev, sizeof(struct dbri_dma),
                                  (void *)dbri->dma, dbri->dma_dvma);
                return err;
        }
@@ -2575,28 +2575,23 @@ static void snd_dbri_free(struct snd_dbri *dbri)
                free_irq(dbri->irq, dbri);
 
        if (dbri->regs)
-               sbus_iounmap(dbri->regs, dbri->regs_size);
+               of_iounmap(&dbri->op->resource[0], dbri->regs, dbri->regs_size);
 
        if (dbri->dma)
-               dma_free_coherent(&dbri->sdev->ofdev.dev,
+               dma_free_coherent(&dbri->op->dev,
                                  sizeof(struct dbri_dma),
                                  (void *)dbri->dma, dbri->dma_dvma);
 }
 
-static int __devinit dbri_probe(struct of_device *of_dev,
-                               const struct of_device_id *match)
+static int __devinit dbri_probe(struct of_device *op, const struct of_device_id *match)
 {
-       struct sbus_dev *sdev = to_sbus_device(&of_dev->dev);
        struct snd_dbri *dbri;
-       int irq;
        struct resource *rp;
        struct snd_card *card;
        static int dev = 0;
+       int irq;
        int err;
 
-       dprintk(D_GEN, "DBRI: Found %s in SBUS slot %d\n",
-               sdev->prom_name, sdev->slot);
-
        if (dev >= SNDRV_CARDS)
                return -ENODEV;
        if (!enable[dev]) {
@@ -2604,7 +2599,7 @@ static int __devinit dbri_probe(struct of_device *of_dev,
                return -ENOENT;
        }
 
-       irq = sdev->irqs[0];
+       irq = op->irqs[0];
        if (irq <= 0) {
                printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev);
                return -ENODEV;
@@ -2617,12 +2612,12 @@ static int __devinit dbri_probe(struct of_device *of_dev,
 
        strcpy(card->driver, "DBRI");
        strcpy(card->shortname, "Sun DBRI");
-       rp = &sdev->resource[0];
+       rp = &op->resource[0];
        sprintf(card->longname, "%s at 0x%02lx:0x%016Lx, irq %d",
                card->shortname,
                rp->flags & 0xffL, (unsigned long long)rp->start, irq);
 
-       err = snd_dbri_create(card, sdev, irq, dev);
+       err = snd_dbri_create(card, op, irq, dev);
        if (err < 0) {
                snd_card_free(card);
                return err;
@@ -2639,7 +2634,7 @@ static int __devinit dbri_probe(struct of_device *of_dev,
 
        /* /proc file handling */
        snd_dbri_proc(card);
-       dev_set_drvdata(&of_dev->dev, card);
+       dev_set_drvdata(&op->dev, card);
 
        err = snd_card_register(card);
        if (err < 0)
@@ -2647,7 +2642,7 @@ static int __devinit dbri_probe(struct of_device *of_dev,
 
        printk(KERN_INFO "audio%d at %p (irq %d) is DBRI(%c)+CS4215(%d)\n",
               dev, dbri->regs,
-              dbri->irq, sdev->prom_name[9], dbri->mm.version);
+              dbri->irq, op->node->name[9], dbri->mm.version);
        dev++;
 
        return 0;
@@ -2658,14 +2653,14 @@ _err:
        return err;
 }
 
-static int __devexit dbri_remove(struct of_device *dev)
+static int __devexit dbri_remove(struct of_device *op)
 {
-       struct snd_card *card = dev_get_drvdata(&dev->dev);
+       struct snd_card *card = dev_get_drvdata(&op->dev);
 
        snd_dbri_free(card->private_data);
        snd_card_free(card);
 
-       dev_set_drvdata(&dev->dev, NULL);
+       dev_set_drvdata(&op->dev, NULL);
 
        return 0;
 }
@@ -2692,7 +2687,7 @@ static struct of_platform_driver dbri_sbus_driver = {
 /* Probe for the dbri chip and then attach the driver. */
 static int __init dbri_init(void)
 {
-       return of_register_driver(&dbri_sbus_driver, &sbus_bus_type);
+       return of_register_driver(&dbri_sbus_driver, &of_bus_type);
 }
 
 static void __exit dbri_exit(void)