diff options
Diffstat (limited to 'drivers/sbus/char/bbc_i2c.c')
| -rw-r--r-- | drivers/sbus/char/bbc_i2c.c | 70 |
1 files changed, 27 insertions, 43 deletions
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c index 7e30e5f6e03..c7763e482eb 100644 --- a/drivers/sbus/char/bbc_i2c.c +++ b/drivers/sbus/char/bbc_i2c.c @@ -11,7 +11,6 @@ #include <linux/sched.h> #include <linux/wait.h> #include <linux/delay.h> -#include <linux/init.h> #include <linux/interrupt.h> #include <linux/of.h> #include <linux/of_device.h> @@ -51,7 +50,7 @@ * The second controller also connects to the smartcard reader, if present. */ -static void set_device_claimage(struct bbc_i2c_bus *bp, struct of_device *op, int val) +static void set_device_claimage(struct bbc_i2c_bus *bp, struct platform_device *op, int val) { int i; @@ -66,9 +65,9 @@ static void set_device_claimage(struct bbc_i2c_bus *bp, struct of_device *op, in #define claim_device(BP,ECHILD) set_device_claimage(BP,ECHILD,1) #define release_device(BP,ECHILD) set_device_claimage(BP,ECHILD,0) -struct of_device *bbc_i2c_getdev(struct bbc_i2c_bus *bp, int index) +struct platform_device *bbc_i2c_getdev(struct bbc_i2c_bus *bp, int index) { - struct of_device *op = NULL; + struct platform_device *op = NULL; int curidx = 0, i; for (i = 0; i < NUM_CHILDREN; i++) { @@ -86,7 +85,7 @@ out: return NULL; } -struct bbc_i2c_client *bbc_i2c_attach(struct bbc_i2c_bus *bp, struct of_device *op) +struct bbc_i2c_client *bbc_i2c_attach(struct bbc_i2c_bus *bp, struct platform_device *op) { struct bbc_i2c_client *client; const u32 *reg; @@ -97,7 +96,7 @@ struct bbc_i2c_client *bbc_i2c_attach(struct bbc_i2c_bus *bp, struct of_device * client->bp = bp; client->op = op; - reg = of_get_property(op->node, "reg", NULL); + reg = of_get_property(op->dev.of_node, "reg", NULL); if (!reg) { kfree(client); return NULL; @@ -114,7 +113,7 @@ struct bbc_i2c_client *bbc_i2c_attach(struct bbc_i2c_bus *bp, struct of_device * void bbc_i2c_detach(struct bbc_i2c_client *client) { struct bbc_i2c_bus *bp = client->bp; - struct of_device *op = client->op; + struct platform_device *op = client->op; release_device(bp, op); kfree(client); @@ -233,13 +232,9 @@ int bbc_i2c_write_buf(struct bbc_i2c_client *client, int ret = 0; while (len > 0) { - int err = bbc_i2c_writeb(client, *buf, off); - - if (err < 0) { - ret = err; + ret = bbc_i2c_writeb(client, *buf, off); + if (ret < 0) break; - } - len--; buf++; off++; @@ -253,11 +248,9 @@ int bbc_i2c_read_buf(struct bbc_i2c_client *client, int ret = 0; while (len > 0) { - int err = bbc_i2c_readb(client, buf, off); - if (err < 0) { - ret = err; + ret = bbc_i2c_readb(client, buf, off); + if (ret < 0) break; - } len--; buf++; off++; @@ -288,7 +281,7 @@ static irqreturn_t bbc_i2c_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } -static void __init reset_one_i2c(struct bbc_i2c_bus *bp) +static void reset_one_i2c(struct bbc_i2c_bus *bp) { writeb(I2C_PCF_PIN, bp->i2c_control_regs + 0x0); writeb(bp->own, bp->i2c_control_regs + 0x1); @@ -297,7 +290,7 @@ static void __init reset_one_i2c(struct bbc_i2c_bus *bp) writeb(I2C_PCF_IDLE, bp->i2c_control_regs + 0x0); } -static struct bbc_i2c_bus * __init attach_one_i2c(struct of_device *op, int index) +static struct bbc_i2c_bus * attach_one_i2c(struct platform_device *op, int index) { struct bbc_i2c_bus *bp; struct device_node *dp; @@ -317,7 +310,7 @@ static struct bbc_i2c_bus * __init attach_one_i2c(struct of_device *op, int inde bp->waiting = 0; init_waitqueue_head(&bp->wq); - if (request_irq(op->irqs[0], bbc_i2c_interrupt, + if (request_irq(op->archdata.irqs[0], bbc_i2c_interrupt, IRQF_SHARED, "bbc_i2c", bp)) goto fail; @@ -327,10 +320,10 @@ static struct bbc_i2c_bus * __init attach_one_i2c(struct of_device *op, int inde spin_lock_init(&bp->lock); entry = 0; - for (dp = op->node->child; + for (dp = op->dev.of_node->child; dp && entry < 8; dp = dp->sibling, entry++) { - struct of_device *child_op; + struct platform_device *child_op; child_op = of_find_device_by_node(dp); bp->devs[entry].device = child_op; @@ -361,8 +354,7 @@ fail: extern int bbc_envctrl_init(struct bbc_i2c_bus *bp); extern void bbc_envctrl_cleanup(struct bbc_i2c_bus *bp); -static int __devinit bbc_i2c_probe(struct of_device *op, - const struct of_device_id *match) +static int bbc_i2c_probe(struct platform_device *op) { struct bbc_i2c_bus *bp; int err, index = 0; @@ -373,7 +365,7 @@ static int __devinit bbc_i2c_probe(struct of_device *op, err = bbc_envctrl_init(bp); if (err) { - free_irq(op->irqs[0], bp); + free_irq(op->archdata.irqs[0], bp); if (bp->i2c_bussel_reg) of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1); if (bp->i2c_control_regs) @@ -386,13 +378,13 @@ static int __devinit bbc_i2c_probe(struct of_device *op, return err; } -static int __devexit bbc_i2c_remove(struct of_device *op) +static int bbc_i2c_remove(struct platform_device *op) { struct bbc_i2c_bus *bp = dev_get_drvdata(&op->dev); bbc_envctrl_cleanup(bp); - free_irq(op->irqs[0], bp); + free_irq(op->archdata.irqs[0], bp); if (bp->i2c_bussel_reg) of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1); @@ -413,24 +405,16 @@ static const struct of_device_id bbc_i2c_match[] = { }; MODULE_DEVICE_TABLE(of, bbc_i2c_match); -static struct of_platform_driver bbc_i2c_driver = { - .name = "bbc_i2c", - .match_table = bbc_i2c_match, +static struct platform_driver bbc_i2c_driver = { + .driver = { + .name = "bbc_i2c", + .owner = THIS_MODULE, + .of_match_table = bbc_i2c_match, + }, .probe = bbc_i2c_probe, - .remove = __devexit_p(bbc_i2c_remove), + .remove = bbc_i2c_remove, }; -static int __init bbc_i2c_init(void) -{ - return of_register_driver(&bbc_i2c_driver, &of_bus_type); -} - -static void __exit bbc_i2c_exit(void) -{ - of_unregister_driver(&bbc_i2c_driver); -} - -module_init(bbc_i2c_init); -module_exit(bbc_i2c_exit); +module_platform_driver(bbc_i2c_driver); MODULE_LICENSE("GPL"); |
