Commit 3c3de680 authored by Adrian Hunter's avatar Adrian Hunter Committed by Alexandre Belloni
Browse files

i3c: mipi-i3c-hci: Factor out master dynamic address setting into helper 



Prepare for future reuse.  Move master dynamic address setting logic from
i3c_hci_bus_init() into a dedicated helper function,
i3c_hci_set_master_dyn_addr().

Signed-off-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Reviewed-by: default avatarFrank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260113072702.16268-19-adrian.hunter@intel.com


Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@bootlin.com>
parent f2b5d43c

drivers/i3c/master/mipi-i3c-hci/core.c

+9 −3
Original line number Diff line number Diff line
@@ -114,6 +114,12 @@ static inline struct i3c_hci *to_i3c_hci(struct i3c_master_controller *m) 
	return container_of(m, struct i3c_hci, master);

}



static void i3c_hci_set_master_dyn_addr(struct i3c_hci *hci)

{

	reg_write(MASTER_DEVICE_ADDR,

		  MASTER_DYNAMIC_ADDR(hci->dyn_addr) | MASTER_DYNAMIC_ADDR_VALID);

}



static int i3c_hci_bus_init(struct i3c_master_controller *m)

{

	struct i3c_hci *hci = to_i3c_hci(m);
@@ -129,10 +135,10 @@ static int i3c_hci_bus_init(struct i3c_master_controller *m) 
	ret = i3c_master_get_free_addr(m, 0);

	if (ret < 0)

		return ret;

	reg_write(MASTER_DEVICE_ADDR,

		  MASTER_DYNAMIC_ADDR(ret) | MASTER_DYNAMIC_ADDR_VALID);

	hci->dyn_addr = ret;

	i3c_hci_set_master_dyn_addr(hci);

	memset(&info, 0, sizeof(info));

	info.dyn_addr = ret;

	info.dyn_addr = hci->dyn_addr;

	ret = i3c_master_set_info(m, &info);

	if (ret)

		return ret;

drivers/i3c/master/mipi-i3c-hci/hci.h

+1 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ struct i3c_hci { 
	u8 version_major;

	u8 version_minor;

	u8 revision;

	u8 dyn_addr;

	u32 vendor_mipi_id;

	u32 vendor_version_id;

	u32 vendor_product_id;