linux-kernel - [PATCH v4 3/9] clk: qcom: apss-ipq-pll: Use stromer plus ops for stromer plus pll

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Message-ID: <9ea8deab1c8b49008acb91510e9e1b1c1e0b4f3d.1697694811.git.quic_varada@quicinc.com>
Date:   Thu, 19 Oct 2023 14:10:37 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <mturquette@...libre.com>, <sboyd@...nel.org>, <rafael@...nel.org>,
        <viresh.kumar@...aro.org>, <ilia.lin@...nel.org>,
        <sivaprak@...eaurora.org>, <quic_kathirav@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-pm@...r.kernel.org>
CC:     Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: [PATCH v4 3/9] clk: qcom: apss-ipq-pll: Use stromer plus ops for stromer plus pll

The set rate and determine rate operations are different between
Stromer and Stromer Plus PLLs. Since the programming sequence is
different, the PLLs dont get configured properly and random,
inexplicable crash/freeze is seen. Hence, use stromer plus ops
for ipq_pll_stromer_plus.

Acked-by: Stephen Boyd <sboyd@...nel.org>
Fixes: c7ef7fbb1ccf ("clk: qcom: apss-ipq-pll: add support for IPQ5332")
Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
v4:	Update commit log to include
		"What goes wrong if we don't have this patch?"
v2:	Add Fixes tag
---
 drivers/clk/qcom/apss-ipq-pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/qcom/apss-ipq-pll.c b/drivers/clk/qcom/apss-ipq-pll.c
index e170331..18c4ffe 100644
--- a/drivers/clk/qcom/apss-ipq-pll.c
+++ b/drivers/clk/qcom/apss-ipq-pll.c
@@ -68,7 +68,7 @@ static struct clk_alpha_pll ipq_pll_stromer_plus = {
 				.fw_name = "xo",
 			},
 			.num_parents = 1,
-			.ops = &clk_alpha_pll_stromer_ops,
+			.ops = &clk_alpha_pll_stromer_plus_ops,
 		},
 	},
 };
-- 
2.7.4