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-rw-r--r--drivers/i2c/i2c-uclass-compat.c2
-rw-r--r--drivers/i2c/i2c-uclass.c54
-rw-r--r--drivers/i2c/i2c-uniphier-f.c12
-rw-r--r--drivers/i2c/i2c-uniphier.c12
-rw-r--r--drivers/i2c/sandbox_i2c.c28
-rw-r--r--drivers/i2c/tegra_i2c.c18
-rw-r--r--include/i2c.h4
7 files changed, 41 insertions, 89 deletions
diff --git a/drivers/i2c/i2c-uclass-compat.c b/drivers/i2c/i2c-uclass-compat.c
index c29fc89..11239da 100644
--- a/drivers/i2c/i2c-uclass-compat.c
+++ b/drivers/i2c/i2c-uclass-compat.c
@@ -20,7 +20,7 @@ static int i2c_compat_get_device(uint chip_addr, int alen,
ret = i2c_get_chip_for_busnum(cur_busnum, chip_addr, devp);
if (ret)
return ret;
- chip = dev_get_parentdata(*devp);
+ chip = dev_get_parent_platdata(*devp);
if (chip->offset_len != alen) {
printf("Requested alen %d does not match chip offset_len %d\n",
alen, chip->offset_len);
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c
index 94b49df..393cd6f 100644
--- a/drivers/i2c/i2c-uclass.c
+++ b/drivers/i2c/i2c-uclass.c
@@ -50,7 +50,7 @@ static int i2c_setup_offset(struct dm_i2c_chip *chip, uint offset,
static int i2c_read_bytewise(struct udevice *dev, uint offset,
uint8_t *buffer, int len)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
struct udevice *bus = dev_get_parent(dev);
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct i2c_msg msg[2], *ptr;
@@ -79,7 +79,7 @@ static int i2c_read_bytewise(struct udevice *dev, uint offset,
static int i2c_write_bytewise(struct udevice *dev, uint offset,
const uint8_t *buffer, int len)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
struct udevice *bus = dev_get_parent(dev);
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct i2c_msg msg[1];
@@ -102,7 +102,7 @@ static int i2c_write_bytewise(struct udevice *dev, uint offset,
int dm_i2c_read(struct udevice *dev, uint offset, uint8_t *buffer, int len)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
struct udevice *bus = dev_get_parent(dev);
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct i2c_msg msg[2], *ptr;
@@ -133,7 +133,7 @@ int dm_i2c_read(struct udevice *dev, uint offset, uint8_t *buffer, int len)
int dm_i2c_write(struct udevice *dev, uint offset, const uint8_t *buffer,
int len)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
struct udevice *bus = dev_get_parent(dev);
struct dm_i2c_ops *ops = i2c_get_ops(bus);
struct i2c_msg msg[1];
@@ -223,7 +223,7 @@ static int i2c_probe_chip(struct udevice *bus, uint chip_addr,
static int i2c_bind_driver(struct udevice *bus, uint chip_addr, uint offset_len,
struct udevice **devp)
{
- struct dm_i2c_chip chip;
+ struct dm_i2c_chip *chip;
char name[30], *str;
struct udevice *dev;
int ret;
@@ -236,11 +236,11 @@ static int i2c_bind_driver(struct udevice *bus, uint chip_addr, uint offset_len,
goto err_bind;
/* Tell the device what we know about it */
- memset(&chip, '\0', sizeof(chip));
- chip.chip_addr = chip_addr;
- chip.offset_len = offset_len;
- ret = device_probe_child(dev, &chip);
- debug("%s: device_probe_child: ret=%d\n", __func__, ret);
+ chip = dev_get_parent_platdata(dev);
+ chip->chip_addr = chip_addr;
+ chip->offset_len = offset_len;
+ ret = device_probe(dev);
+ debug("%s: device_probe: ret=%d\n", __func__, ret);
if (ret)
goto err_probe;
@@ -248,6 +248,10 @@ static int i2c_bind_driver(struct udevice *bus, uint chip_addr, uint offset_len,
return 0;
err_probe:
+ /*
+ * If the device failed to probe, unbind it. There is nothing there
+ * on the bus so we don't want to leave it lying around
+ */
device_unbind(dev);
err_bind:
free(str);
@@ -263,15 +267,9 @@ int i2c_get_chip(struct udevice *bus, uint chip_addr, uint offset_len,
bus->name, chip_addr);
for (device_find_first_child(bus, &dev); dev;
device_find_next_child(&dev)) {
- struct dm_i2c_chip store;
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
int ret;
- if (!chip) {
- chip = &store;
- i2c_chip_ofdata_to_platdata(gd->fdt_blob,
- dev->of_offset, chip);
- }
if (chip->chip_addr == chip_addr) {
ret = device_probe(dev);
debug("found, ret=%d\n", ret);
@@ -367,7 +365,7 @@ int i2c_get_bus_speed(struct udevice *bus)
int i2c_set_chip_flags(struct udevice *dev, uint flags)
{
struct udevice *bus = dev->parent;
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
struct dm_i2c_ops *ops = i2c_get_ops(bus);
int ret;
@@ -383,7 +381,7 @@ int i2c_set_chip_flags(struct udevice *dev, uint flags)
int i2c_get_chip_flags(struct udevice *dev, uint *flagsp)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
*flagsp = chip->flags;
@@ -392,7 +390,7 @@ int i2c_get_chip_flags(struct udevice *dev, uint *flagsp)
int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len)
{
- struct dm_i2c_chip *chip = dev_get_parentdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
if (offset_len > I2C_MAX_OFFSET_LEN)
return -EINVAL;
@@ -444,19 +442,31 @@ static int i2c_post_probe(struct udevice *dev)
return i2c_set_bus_speed(dev, i2c->speed_hz);
}
-int i2c_post_bind(struct udevice *dev)
+static int i2c_post_bind(struct udevice *dev)
{
/* Scan the bus for devices */
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
}
+static int i2c_child_post_bind(struct udevice *dev)
+{
+ struct dm_i2c_chip *plat = dev_get_parent_platdata(dev);
+
+ if (dev->of_offset == -1)
+ return 0;
+
+ return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset, plat);
+}
+
UCLASS_DRIVER(i2c) = {
.id = UCLASS_I2C,
.name = "i2c",
.flags = DM_UC_FLAG_SEQ_ALIAS,
- .per_device_auto_alloc_size = sizeof(struct dm_i2c_bus),
.post_bind = i2c_post_bind,
.post_probe = i2c_post_probe,
+ .per_device_auto_alloc_size = sizeof(struct dm_i2c_bus),
+ .per_child_platdata_auto_alloc_size = sizeof(struct dm_i2c_chip),
+ .child_post_bind = i2c_child_post_bind,
};
UCLASS_DRIVER(i2c_generic) = {
diff --git a/drivers/i2c/i2c-uniphier-f.c b/drivers/i2c/i2c-uniphier-f.c
index b0d30f7..6707edd 100644
--- a/drivers/i2c/i2c-uniphier-f.c
+++ b/drivers/i2c/i2c-uniphier-f.c
@@ -145,16 +145,6 @@ static int uniphier_fi2c_remove(struct udevice *dev)
return 0;
}
-static int uniphier_fi2c_child_pre_probe(struct udevice *dev)
-{
- struct dm_i2c_chip *i2c_chip = dev_get_parentdata(dev);
-
- if (dev->of_offset == -1)
- return 0;
- return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset,
- i2c_chip);
-}
-
static int wait_for_irq(struct uniphier_fi2c_dev *dev, u32 flags,
bool *stop)
{
@@ -372,8 +362,6 @@ U_BOOT_DRIVER(uniphier_fi2c) = {
.of_match = uniphier_fi2c_of_match,
.probe = uniphier_fi2c_probe,
.remove = uniphier_fi2c_remove,
- .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip),
- .child_pre_probe = uniphier_fi2c_child_pre_probe,
.priv_auto_alloc_size = sizeof(struct uniphier_fi2c_dev),
.ops = &uniphier_fi2c_ops,
};
diff --git a/drivers/i2c/i2c-uniphier.c b/drivers/i2c/i2c-uniphier.c
index bdac1f9..64a9ed8 100644
--- a/drivers/i2c/i2c-uniphier.c
+++ b/drivers/i2c/i2c-uniphier.c
@@ -75,16 +75,6 @@ static int uniphier_i2c_remove(struct udevice *dev)
return 0;
}
-static int uniphier_i2c_child_pre_probe(struct udevice *dev)
-{
- struct dm_i2c_chip *i2c_chip = dev_get_parentdata(dev);
-
- if (dev->of_offset == -1)
- return 0;
- return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset,
- i2c_chip);
-}
-
static int send_and_recv_byte(struct uniphier_i2c_dev *dev, u32 dtrm)
{
writel(dtrm, &dev->regs->dtrm);
@@ -232,8 +222,6 @@ U_BOOT_DRIVER(uniphier_i2c) = {
.of_match = uniphier_i2c_of_match,
.probe = uniphier_i2c_probe,
.remove = uniphier_i2c_remove,
- .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip),
- .child_pre_probe = uniphier_i2c_child_pre_probe,
.priv_auto_alloc_size = sizeof(struct uniphier_i2c_dev),
.ops = &uniphier_i2c_ops,
};
diff --git a/drivers/i2c/sandbox_i2c.c b/drivers/i2c/sandbox_i2c.c
index e2f6c3b..a943aa6 100644
--- a/drivers/i2c/sandbox_i2c.c
+++ b/drivers/i2c/sandbox_i2c.c
@@ -25,24 +25,24 @@ struct dm_sandbox_i2c_emul_priv {
static int get_emul(struct udevice *dev, struct udevice **devp,
struct dm_i2c_ops **opsp)
{
- struct dm_i2c_chip *priv;
+ struct dm_i2c_chip *plat;
int ret;
*devp = NULL;
*opsp = NULL;
- priv = dev_get_parentdata(dev);
- if (!priv->emul) {
+ plat = dev_get_parent_platdata(dev);
+ if (!plat->emul) {
ret = dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset,
false);
if (ret)
return ret;
- ret = device_get_child(dev, 0, &priv->emul);
+ ret = device_get_child(dev, 0, &plat->emul);
if (ret)
return ret;
}
- *devp = priv->emul;
- *opsp = i2c_get_ops(priv->emul);
+ *devp = plat->emul;
+ *opsp = i2c_get_ops(plat->emul);
return 0;
}
@@ -82,20 +82,6 @@ static const struct dm_i2c_ops sandbox_i2c_ops = {
.xfer = sandbox_i2c_xfer,
};
-static int sandbox_i2c_child_pre_probe(struct udevice *dev)
-{
- struct dm_i2c_chip *i2c_chip = dev_get_parentdata(dev);
-
- /* Ignore our test address */
- if (i2c_chip->chip_addr == SANDBOX_I2C_TEST_ADDR)
- return 0;
- if (dev->of_offset == -1)
- return 0;
-
- return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset,
- i2c_chip);
-}
-
static const struct udevice_id sandbox_i2c_ids[] = {
{ .compatible = "sandbox,i2c" },
{ }
@@ -105,7 +91,5 @@ U_BOOT_DRIVER(i2c_sandbox) = {
.name = "i2c_sandbox",
.id = UCLASS_I2C,
.of_match = sandbox_i2c_ids,
- .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip),
- .child_pre_probe = sandbox_i2c_child_pre_probe,
.ops = &sandbox_i2c_ops,
};
diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c
index 87290c3..f414287 100644
--- a/drivers/i2c/tegra_i2c.c
+++ b/drivers/i2c/tegra_i2c.c
@@ -484,21 +484,6 @@ static const struct dm_i2c_ops tegra_i2c_ops = {
.set_bus_speed = tegra_i2c_set_bus_speed,
};
-static int tegra_i2c_child_pre_probe(struct udevice *dev)
-{
- struct dm_i2c_chip *i2c_chip = dev_get_parentdata(dev);
-
- if (dev->of_offset == -1)
- return 0;
- return i2c_chip_ofdata_to_platdata(gd->fdt_blob, dev->of_offset,
- i2c_chip);
-}
-
-static int tegra_i2c_ofdata_to_platdata(struct udevice *dev)
-{
- return 0;
-}
-
static const struct udevice_id tegra_i2c_ids[] = {
{ .compatible = "nvidia,tegra114-i2c", .data = TYPE_114 },
{ .compatible = "nvidia,tegra20-i2c", .data = TYPE_STD },
@@ -510,10 +495,7 @@ U_BOOT_DRIVER(i2c_tegra) = {
.name = "i2c_tegra",
.id = UCLASS_I2C,
.of_match = tegra_i2c_ids,
- .ofdata_to_platdata = tegra_i2c_ofdata_to_platdata,
.probe = tegra_i2c_probe,
- .per_child_auto_alloc_size = sizeof(struct dm_i2c_chip),
- .child_pre_probe = tegra_i2c_child_pre_probe,
.priv_auto_alloc_size = sizeof(struct i2c_bus),
.ops = &tegra_i2c_ops,
};
diff --git a/include/i2c.h b/include/i2c.h
index 76090b7..95d6f28 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -39,8 +39,8 @@ enum dm_i2c_chip_flags {
* An I2C chip is a device on the I2C bus. It sits at a particular address
* and normally supports 7-bit or 10-bit addressing.
*
- * To obtain this structure, use dev_get_parentdata(dev) where dev is the
- * chip to examine.
+ * To obtain this structure, use dev_get_parent_platdata(dev) where dev is
+ * the chip to examine.
*
* @chip_addr: Chip address on bus
* @offset_len: Length of offset in bytes. A single byte offset can
generated by cgit v1.1 at 2024-11-22 14:59:45 +0000