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-rw-r--r--drivers/clk/mvebu/ap806-system-controller.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c
index 901d89c4ab4a..103fe18a3c29 100644
--- a/drivers/clk/mvebu/ap806-system-controller.c
+++ b/drivers/clk/mvebu/ap806-system-controller.c
@@ -136,13 +136,19 @@ static int ap806_syscon_clk_probe(struct platform_device *pdev)
}
/* eMMC Clock is fixed clock divided by 3 */
- of_property_read_string_index(np, "clock-output-names",
- 4, &name);
- ap806_clks[4] = clk_register_fixed_factor(NULL, name, fixedclk_name,
- 0, 1, 3);
- if (IS_ERR(ap806_clks[4])) {
- ret = PTR_ERR(ap806_clks[4]);
- goto fail4;
+ if (of_property_read_string_index(np, "clock-output-names",
+ 4, &name)) {
+ ap806_clk_data.clk_num--;
+ dev_warn(&pdev->dev,
+ "eMMC clock mising: update the device tree!\n");
+ } else {
+ ap806_clks[4] = clk_register_fixed_factor(NULL, name,
+ fixedclk_name,
+ 0, 1, 3);
+ if (IS_ERR(ap806_clks[4])) {
+ ret = PTR_ERR(ap806_clks[4]);
+ goto fail4;
+ }
}
of_clk_add_provider(np, of_clk_src_onecell_get, &ap806_clk_data);