i2c: cdns: Moving speed setup from probe to set_bus_speed function

set_bus_speed is the right function where bus speed should be setup.
This move enable option to remove probe and remove functions which are
empty.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/drivers/i2c/i2c-cdns.c b/drivers/i2c/i2c-cdns.c
index 66bd580aad4b7185c5b1c029031abb292458f487..0bc6aaaa6f90295079983da048c82a010f4cc031 100644 (file)
--- a/drivers/i2c/i2c-cdns.c
+++ b/drivers/i2c/i2c-cdns.c
@@ -115,41 +115,6 @@ struct i2c_cdns_bus {
        struct cdns_i2c_regs __iomem *regs;     /* register base */
 };
 
-
-/** cdns_i2c_probe() - Probe method
- * @dev: udevice pointer
- *
- * DM callback called when device is probed
- */
-static int cdns_i2c_probe(struct udevice *dev)
-{
-       struct i2c_cdns_bus *bus = dev_get_priv(dev);
-
-       /* TODO: Calculate dividers based on CPU_CLK_1X */
-       /* 111MHz / ( (3 * 17) * 22 ) = ~100KHz */
-       writel((16 << CDNS_I2C_CONTROL_DIV_B_SHIFT) |
-               (2 << CDNS_I2C_CONTROL_DIV_A_SHIFT), &bus->regs->control);
-
-       /* Enable master mode, ack, and 7-bit addressing */
-       setbits_le32(&bus->regs->control, CDNS_I2C_CONTROL_MS |
-               CDNS_I2C_CONTROL_ACKEN | CDNS_I2C_CONTROL_NEA);
-
-       debug("%s bus %d at %p\n", __func__, dev->seq, bus->regs);
-
-       return 0;
-}
-
-static int cdns_i2c_remove(struct udevice *dev)
-{
-       struct i2c_cdns_bus *bus = dev_get_priv(dev);
-
-       debug("%s bus %d at %p\n", __func__, dev->seq, bus->regs);
-
-       unmap_sysmem(bus->regs);
-
-       return 0;
-}
-
 /* Wait for an interrupt */
 static u32 cdns_i2c_wait(struct cdns_i2c_regs *cdns_i2c, u32 mask)
 {
@@ -170,12 +135,23 @@ static u32 cdns_i2c_wait(struct cdns_i2c_regs *cdns_i2c, u32 mask)
 
 static int cdns_i2c_set_bus_speed(struct udevice *dev, unsigned int speed)
 {
+       struct i2c_cdns_bus *bus = dev_get_priv(dev);
+
        if (speed != 100000) {
                printf("%s, failed to set clock speed to %u\n", __func__,
                       speed);
                return -EINVAL;
        }
 
+       /* TODO: Calculate dividers based on CPU_CLK_1X */
+       /* 111MHz / ( (3 * 17) * 22 ) = ~100KHz */
+       writel((16 << CDNS_I2C_CONTROL_DIV_B_SHIFT) |
+               (2 << CDNS_I2C_CONTROL_DIV_A_SHIFT), &bus->regs->control);
+
+       /* Enable master mode, ack, and 7-bit addressing */
+       setbits_le32(&bus->regs->control, CDNS_I2C_CONTROL_MS |
+               CDNS_I2C_CONTROL_ACKEN | CDNS_I2C_CONTROL_NEA);
+
        return 0;
 }
 
@@ -335,8 +311,6 @@ U_BOOT_DRIVER(cdns_i2c) = {
        .name = "i2c-cdns",
        .id = UCLASS_I2C,
        .of_match = cdns_i2c_of_match,
-       .probe = cdns_i2c_probe,
-       .remove = cdns_i2c_remove,
        .ofdata_to_platdata = cdns_i2c_ofdata_to_platdata,
        .priv_auto_alloc_size = sizeof(struct i2c_cdns_bus),
        .ops = &cdns_i2c_ops,