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path: root/drivers/i2c/busses/i2c-ocores.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-ocores.c')
-rw-r--r--drivers/i2c/busses/i2c-ocores.c33
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index e106af83cef4..0f67e57cdeff 100644
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -32,7 +32,6 @@
*/
struct ocores_i2c {
void __iomem *base;
- int iobase;
u32 reg_shift;
u32 reg_io_width;
unsigned long flags;
@@ -136,16 +135,6 @@ static inline u8 oc_getreg_32be(struct ocores_i2c *i2c, int reg)
return ioread32be(i2c->base + (reg << i2c->reg_shift));
}
-static void oc_setreg_io_8(struct ocores_i2c *i2c, int reg, u8 value)
-{
- outb(value, i2c->iobase + reg);
-}
-
-static inline u8 oc_getreg_io_8(struct ocores_i2c *i2c, int reg)
-{
- return inb(i2c->iobase + reg);
-}
-
static inline void oc_setreg(struct ocores_i2c *i2c, int reg, u8 value)
{
i2c->setreg(i2c, reg, value);
@@ -442,8 +431,8 @@ static int ocores_init(struct device *dev, struct ocores_i2c *i2c)
oc_setreg(i2c, OCI2C_PREHIGH, prescale >> 8);
/* Init the device */
- oc_setreg(i2c, OCI2C_CMD, OCI2C_CMD_IACK);
oc_setreg(i2c, OCI2C_CONTROL, ctrl | OCI2C_CTRL_EN);
+ oc_setreg(i2c, OCI2C_CMD, OCI2C_CMD_IACK);
return 0;
}
@@ -455,8 +444,8 @@ static u32 ocores_func(struct i2c_adapter *adap)
}
static struct i2c_algorithm ocores_algorithm = {
- .master_xfer = ocores_xfer,
- .master_xfer_atomic = ocores_xfer_polling,
+ .xfer = ocores_xfer,
+ .xfer_atomic = ocores_xfer_polling,
.functionality = ocores_func,
};
@@ -618,15 +607,19 @@ static int ocores_i2c_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_IO, 0);
if (!res)
return -EINVAL;
- i2c->iobase = res->start;
if (!devm_request_region(&pdev->dev, res->start,
resource_size(res),
pdev->name)) {
dev_err(&pdev->dev, "Can't get I/O resource.\n");
return -EBUSY;
}
- i2c->setreg = oc_setreg_io_8;
- i2c->getreg = oc_getreg_io_8;
+ i2c->base = devm_ioport_map(&pdev->dev, res->start,
+ resource_size(res));
+ if (!i2c->base) {
+ dev_err(&pdev->dev, "Can't map I/O resource.\n");
+ return -EBUSY;
+ }
+ i2c->reg_io_width = 1;
}
pdata = dev_get_platdata(&pdev->dev);
@@ -689,13 +682,13 @@ static int ocores_i2c_probe(struct platform_device *pdev)
}
if (irq == -ENXIO) {
- ocores_algorithm.master_xfer = ocores_xfer_polling;
+ ocores_algorithm.xfer = ocores_xfer_polling;
} else {
if (irq < 0)
return irq;
}
- if (ocores_algorithm.master_xfer != ocores_xfer_polling) {
+ if (ocores_algorithm.xfer != ocores_xfer_polling) {
ret = devm_request_any_context_irq(&pdev->dev, irq,
ocores_isr, 0,
pdev->name, i2c);
@@ -776,7 +769,7 @@ static DEFINE_NOIRQ_DEV_PM_OPS(ocores_i2c_pm,
static struct platform_driver ocores_i2c_driver = {
.probe = ocores_i2c_probe,
- .remove_new = ocores_i2c_remove,
+ .remove = ocores_i2c_remove,
.driver = {
.name = "ocores-i2c",
.of_match_table = ocores_i2c_match,