dm: core: Add dev_get_uclass_priv() to access uclass private data

Add a convenience function to access the private data that a uclass stores
for each of its devices. Convert over most existing uses for consistency
and to provide an example for others.

Signed-off-by: Simon Glass <sjg@chromium.org>

4 files changed, 7 insertions, 7 deletions

diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c
index 5846e76..1c29ba8 100644
--- a/drivers/misc/cros_ec.c
+++ b/drivers/misc/cros_ec.c
@@ -1087,7 +1087,7 @@ static int cros_ec_decode_fdt(const void *blob, int node,
 #ifdef CONFIG_DM_CROS_EC
 int cros_ec_register(struct udevice *dev)
 {
-	struct cros_ec_dev *cdev = dev->uclass_priv;
+	struct cros_ec_dev *cdev = dev_get_uclass_priv(dev);
 	const void *blob = gd->fdt_blob;
 	int node = dev->of_offset;
 	char id[MSG_BYTES];
@@ -1128,7 +1128,7 @@ int cros_ec_init(const void *blob, struct cros_ec_dev **cros_ecp)
 	ret = uclass_get_device(UCLASS_CROS_EC, 0, &udev);
 	if (ret)
 		return ret;
-	dev = udev->uclass_priv;
+	dev = dev_get_uclass_priv(udev);
 	return 0;
 #else
 	int node = 0;
@@ -1610,7 +1610,7 @@ static int do_cros_ec(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 		printf("Cannot get cros-ec device (err=%d)\n", ret);
 		return 1;
 	}
-	dev = udev->uclass_priv;
+	dev = dev_get_uclass_priv(udev);
 #else
 	/* Just use the last allocated device; there should be only one */
 	if (!last_dev) {
diff --git a/drivers/misc/cros_ec_i2c.c b/drivers/misc/cros_ec_i2c.c
index f9bc975..cee9a0f 100644
--- a/drivers/misc/cros_ec_i2c.c
+++ b/drivers/misc/cros_ec_i2c.c
@@ -28,7 +28,7 @@ static int cros_ec_i2c_command(struct udevice *udev, uint8_t cmd,
 			       int cmd_version, const uint8_t *dout,
 			       int dout_len, uint8_t **dinp, int din_len)
 {
-	struct cros_ec_dev *dev = udev->uclass_priv;
+	struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
 	/* version8, cmd8, arglen8, out8[dout_len], csum8 */
 	int out_bytes = dout_len + 4;
 	/* response8, arglen8, in8[din_len], checksum8 */
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c
index 99cc529..282d8d8 100644
--- a/drivers/misc/cros_ec_sandbox.c
+++ b/drivers/misc/cros_ec_sandbox.c
@@ -470,7 +470,7 @@ static int process_cmd(struct ec_state *ec,
 #ifdef CONFIG_DM_CROS_EC
 int cros_ec_sandbox_packet(struct udevice *udev, int out_bytes, int in_bytes)
 {
-	struct cros_ec_dev *dev = udev->uclass_priv;
+	struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
 	struct ec_state *ec = dev_get_priv(dev->dev);
 #else
 int cros_ec_sandbox_packet(struct cros_ec_dev *dev, int out_bytes,
diff --git a/drivers/misc/cros_ec_spi.c b/drivers/misc/cros_ec_spi.c
index 9359c56..98e8f60 100644
--- a/drivers/misc/cros_ec_spi.c
+++ b/drivers/misc/cros_ec_spi.c
@@ -23,7 +23,7 @@ DECLARE_GLOBAL_DATA_PTR;
 
 int cros_ec_spi_packet(struct udevice *udev, int out_bytes, int in_bytes)
 {
-	struct cros_ec_dev *dev = udev->uclass_priv;
+	struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
 	struct spi_slave *slave = dev_get_parentdata(dev->dev);
 	int rv;
 
@@ -66,7 +66,7 @@ int cros_ec_spi_command(struct udevice *udev, uint8_t cmd, int cmd_version,
 		     const uint8_t *dout, int dout_len,
 		     uint8_t **dinp, int din_len)
 {
-	struct cros_ec_dev *dev = udev->uclass_priv;
+	struct cros_ec_dev *dev = dev_get_uclass_priv(udev);
 	struct spi_slave *slave = dev_get_parentdata(dev->dev);
 	int in_bytes = din_len + 4;	/* status, length, checksum, trailer */
 	uint8_t *out;