@@ -90,32 +90,12 @@ static int designware_i2c_pci_probe(struct udevice *dev)
static int designware_i2c_pci_bind(struct udevice *dev)
{
- struct uclass *uc;
char name[20];
- int ret;
if (dev_of_valid(dev))
return 0;
- /*
- * Create a unique device name for PCI type devices
- * ToDo:
- * Setting req_seq in the driver is probably not recommended.
- * But without a DT alias the number is not configured. And
- * using this driver is impossible for PCIe I2C devices.
- * This can be removed, once a better (correct) way for this
- * is found and implemented.
- *
- * TODO(sjg@chromium.org): Perhaps if uclasses had platdata this would
- * be possible. We cannot use static data in drivers since they may be
- * used in SPL or before relocation.
- */
- ret = uclass_get(UCLASS_I2C, &uc);
- if (ret)
- return ret;
-
- dev->req_seq = uclass_find_next_free_req_seq(uc);
- sprintf(name, "i2c_designware#%u", dev->req_seq);
+ sprintf(name, "i2c_designware#%u", dev_seq(dev));
device_set_name(dev, name);
return 0;
@@ -700,13 +700,7 @@ static int i2c_post_bind(struct udevice *dev)
if (!priv)
return -ENOMEM;
- debug("%s: %s, req_seq=%d\n", __func__, dev->name, dev->req_seq);
-
- /* if there is no alias ID, use the first free */
- if (dev->req_seq == -1)
- dev->req_seq = ++priv->max_id;
-
- debug("%s: %s, new req_seq=%d\n", __func__, dev->name, dev->req_seq);
+ debug("%s: %s, seq=%d\n", __func__, dev->name, dev_seq(dev));
#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
ret = dm_scan_fdt_dev(dev);
@@ -252,11 +252,6 @@ static int versatile_i2c_probe(struct udevice *dev)
priv->base = (phys_addr_t)dev_read_addr(dev);
priv->delay = 25; /* 25us * 4 = 100kHz */
- /*
- * U-Boot still doesn't assign automatically
- * sequence numbers to devices
- */
- dev->req_seq = 1;
return 0;
}
@@ -269,21 +269,11 @@ static int intel_i2c_probe(struct udevice *dev)
static int intel_i2c_bind(struct udevice *dev)
{
- static int num_cards __attribute__ ((section(".data")));
char name[20];
/* Create a unique device name for PCI type devices */
if (device_is_on_pci_bus(dev)) {
- /*
- * ToDo:
- * Setting req_seq in the driver is probably not recommended.
- * But without a DT alias the number is not configured. And
- * using this driver is impossible for PCIe I2C devices.
- * This can be removed, once a better (correct) way for this
- * is found and implemented.
- */
- dev->req_seq = num_cards;
- sprintf(name, "intel_i2c#%u", num_cards++);
+ sprintf(name, "intel_i2c#%u", dev_seq(dev));
device_set_name(dev, name);
}
@@ -87,8 +87,8 @@ static int i2c_mux_post_bind(struct udevice *mux)
ret = device_bind_driver_to_node(mux, "i2c_mux_bus_drv",
full_name, node, &dev);
- debug(" - bind ret=%d, %s, req_seq %d\n", ret,
- dev ? dev->name : NULL, dev->req_seq);
+ debug(" - bind ret=%d, %s, seq %d\n", ret,
+ dev ? dev->name : NULL, dev_seq(dev));
if (ret)
return ret;
}
@@ -823,8 +823,8 @@ static int mvtwsi_i2c_bind(struct udevice *bus)
struct mvtwsi_registers *twsi = dev_read_addr_ptr(bus);
/* Disable the hidden slave in i2c0 of these platforms */
- if ((IS_ENABLED(CONFIG_ARMADA_38X) || IS_ENABLED(CONFIG_ARCH_KIRKWOOD))
- && bus->req_seq == 0)
+ if ((IS_ENABLED(CONFIG_ARMADA_38X) ||
+ IS_ENABLED(CONFIG_ARCH_KIRKWOOD)) && !dev_seq(bus))
twsi_disable_i2c_slave(twsi);
return 0;
Use the new sequence number in all cases. Drop the logic to check for a valid number in designware_i2c, since it will always be valid. Signed-off-by: Simon Glass <sjg@chromium.org> --- drivers/i2c/designware_i2c_pci.c | 22 +--------------------- drivers/i2c/i2c-uclass.c | 8 +------- drivers/i2c/i2c-versatile.c | 5 ----- drivers/i2c/intel_i2c.c | 12 +----------- drivers/i2c/muxes/i2c-mux-uclass.c | 4 ++-- drivers/i2c/mvtwsi.c | 4 ++-- 6 files changed, 7 insertions(+), 48 deletions(-)