Commit 2928135c authored by Tony Lindgren's avatar Tony Lindgren
Browse files

bus: ti-sysc: Support modules without control registers 



Some modules like MPU have a powerdomain and functional clock but not
necessarily any control registers. Let's allow configuring interconnect
target modules with no control registers.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent ae5f70f7

drivers/bus/ti-sysc.c

+7 −0
Original line number Diff line number Diff line
@@ -853,8 +853,12 @@ static int sysc_ioremap(struct sysc *ddata) 
 */

static int sysc_map_and_check_registers(struct sysc *ddata)

{

	struct device_node *np = ddata->dev->of_node;

	int error;



	if (!of_get_property(np, "reg", NULL))

		return 0;



	error = sysc_parse_and_check_child_range(ddata);

	if (error)

		return error;
@@ -2911,6 +2915,9 @@ static int sysc_probe(struct platform_device *pdev) 
	if (!ddata)

		return -ENOMEM;



	ddata->offsets[SYSC_REVISION] = -ENODEV;

	ddata->offsets[SYSC_SYSCONFIG] = -ENODEV;

	ddata->offsets[SYSC_SYSSTATUS] = -ENODEV;

	ddata->dev = &pdev->dev;

	platform_set_drvdata(pdev, ddata);