From: Taniya Das <tdas@codeaurora.org>
Date: Mon, 6 Jan 2020 10:18:42 +0000 (+0530)
Subject: clk: qcom: rpmh: skip undefined clocks when registering
X-Git-Tag: v5.15~4521^2~17^6~7
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=924e2d0155608328c589f23b2f9942a4ed65438a;p=platform%2Fkernel%2Flinux-starfive.git

clk: qcom: rpmh: skip undefined clocks when registering

When iterating over a platform's available clocks in clk_rpmh_probe(),
check for undefined (null) entries in the clocks array.  Not all
clock indexes necessarily have clocks defined.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/1578305923-29125-2-git-send-email-tdas@codeaurora.org
[sboyd@kernel.org: Leave 'name' declaration at beginning of loop]
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
---

diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
index 7ed313a..a12ce8d 100644
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -431,11 +431,16 @@ static int clk_rpmh_probe(struct platform_device *pdev)
 	hw_clks = desc->clks;
 
 	for (i = 0; i < desc->num_clks; i++) {
-		const char *name = hw_clks[i]->init->name;
+		const char *name;
 		u32 res_addr;
 		size_t aux_data_len;
 		const struct bcm_db *data;
 
+		if (!hw_clks[i])
+			continue;
+
+		name = hw_clks[i]->init->name;
+
 		rpmh_clk = to_clk_rpmh(hw_clks[i]);
 		res_addr = cmd_db_read_addr(rpmh_clk->res_name);
 		if (!res_addr) {