ARM: OMAP2+: omap_device: create clock alias purely from DT data
This avoids the need to add most of the clock aliases under
drivers/clk/ti/clk-xyz.c files.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c
index a7be05d..c2626f8 100644
--- a/arch/arm/mach-omap2/omap_device.c
+++ b/arch/arm/mach-omap2/omap_device.c
@@ -63,7 +63,22 @@
return;
}
- rc = clk_add_alias(clk_alias, dev_name(&od->pdev->dev), clk_name, NULL);
+ r = clk_get_sys(NULL, clk_name);
+
+ if (IS_ERR(r) && of_have_populated_dt()) {
+ struct of_phandle_args clkspec;
+
+ clkspec.np = of_find_node_by_name(NULL, clk_name);
+
+ r = of_clk_get_from_provider(&clkspec);
+
+ rc = clk_register_clkdev(r, clk_alias,
+ dev_name(&od->pdev->dev));
+ } else {
+ rc = clk_add_alias(clk_alias, dev_name(&od->pdev->dev),
+ clk_name, NULL);
+ }
+
if (rc) {
if (rc == -ENODEV || rc == -ENOMEM)
dev_err(&od->pdev->dev,