net: ksz9477: prepare ksz9477 without I2C support

With the upcoming ksz9477 SPI support added, the I2C support
will be optional. Either the I2C or the SPI bus will be used.

For now, DM_I2C is still mandatory.

Signed-off-by: Romain Naour <romain.naour@smile.fr>

diff --git a/drivers/net/ksz9477.c b/drivers/net/ksz9477.c
index 82db533c4ec1c98505ef6eb333c0e0fae1510e84..1190b591fcb803f872fc52a8c0ce4d9ab4d7c0e8 100644 (file)
--- a/drivers/net/ksz9477.c
+++ b/drivers/net/ksz9477.c
@@ -11,7 +11,9 @@
 #include <eth_phy.h>
 #include <linux/delay.h>
 #include <miiphy.h>
-#include <i2c.h>
+#if CONFIG_IS_ENABLED(DM_I2C)
+# include <i2c.h>
+#endif
 #include <net/dsa.h>
 
 #include <asm-generic/gpio.h>
@@ -105,6 +107,7 @@ struct ksz_dsa_priv {
        u32 features;                   /* chip specific features */
 };
 
+#if CONFIG_IS_ENABLED(DM_I2C)
 static inline int ksz_i2c_read(struct udevice *dev, u32 reg, u8 *val, int len)
 {
        return dm_i2c_read(dev, reg, val, len);
@@ -119,6 +122,7 @@ static struct ksz_phy_ops phy_i2c_ops = {
        .read = ksz_i2c_read,
        .write = ksz_i2c_write,
 };
+#endif
 
 static inline int ksz_read8(struct udevice *dev, u32 reg, u8 *val)
 {
@@ -587,6 +591,7 @@ static int ksz_probe(struct udevice *dev)
 
        parent_id = device_get_uclass_id(dev_get_parent(dev));
        switch (parent_id) {
+#if CONFIG_IS_ENABLED(DM_I2C)
        case UCLASS_I2C: {
                ksz_ops_register(dev, &phy_i2c_ops);
 
@@ -597,6 +602,7 @@ static int ksz_probe(struct udevice *dev)
                }
                break;
        }
+#endif
        default:
                dev_err(dev, "invalid parent bus (%s)\n",
                        uclass_get_name(parent_id));