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i3c: mipi-i3c-hci: Support SETDASA CCC

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When the I3C subsystem wants to assign a dynamic address using the SETDASA
CCC, it needs to attach the I3C device with device info that includes only
the static address. In the HCI, if the driver want to send this SETDASA
CCC, a DAT entry is required to temporarily fill the device's static
address into the dynamic address field. Afterward, the reattach API will
be executed to update the DAT with the correct dynamic addrees value.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/20241113035826.923918-1-billy_tsai@aspeedtech.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Billy Tsai 2024-11-13 11:58:26 +08:00 committed by Alexandre Belloni
parent 473d0cb485
commit 2b50719dd9
1 changed files with 2 additions and 1 deletions
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3
drivers/i3c/master/mipi-i3c-hci/core.c
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@ -436,7 +436,8 @@ static int i3c_hci_attach_i3c_dev(struct i3c_dev_desc *dev)
kfree(dev_data);
return ret;
}
mipi_i3c_hci_dat_v1.set_dynamic_addr(hci, ret, dev->info.dyn_addr);
mipi_i3c_hci_dat_v1.set_dynamic_addr(hci, ret,
dev->info.dyn_addr ?: dev->info.static_addr);
dev_data->dat_idx = ret;
}
i3c_dev_set_master_data(dev, dev_data);