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[v1,2/8] clk: meson: gxbb: protect against holes in the onecell_data array

Message ID 20170328144605.25278-3-jbrunet@baylibre.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Jerome Brunet March 28, 2017, 2:45 p.m. UTC 
The clock controller is getting more complex and it might be possible, in
the future, to have holes in the clk_hw_onecell_data array. Just make sure
we skip those holes if it ever happens.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 drivers/clk/meson/gxbb.c | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 75197664a7ee..28812ea41a60 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -1388,6 +1388,10 @@  static int gxbb_clkc_probe(struct platform_device *pdev)
 	 * register all clks
 	 */
 	for (clkid = 0; clkid < clkc_data->hw_onecell_data->num; clkid++) {
+		/* array might be sparse */
+		if (!clkc_data->hw_onecell_data->hws[clkid])
+			continue;
+
 		ret = devm_clk_hw_register(dev,
 					clkc_data->hw_onecell_data->hws[clkid]);
 		if (ret)