linux-kernel - [PATCH v7 1/5] Coresight: Add support for new APB clock name

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Message-ID: <20241210031545.3468561-2-quic_jiegan@quicinc.com>
Date: Tue, 10 Dec 2024 11:15:40 +0800
From: Jie Gan <quic_jiegan@...cinc.com>
To: Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach
	<mike.leach@...aro.org>,
        James Clark <james.clark@...aro.org>,
        "Alexander
 Shishkin" <alexander.shishkin@...ux.intel.com>,
        Maxime Coquelin
	<mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: Jinlong Mao <quic_jinlmao@...cinc.com>, <coresight@...ts.linaro.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        Tingwei Zhang <quic_tingweiz@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH v7 1/5] Coresight: Add support for new APB clock name

Add support for new APB clock-name. If the function fails
to obtain the clock with the name "apb_pclk", it will
attempt to acquire the clock with the name "apb".

Signed-off-by: Jie Gan <quic_jiegan@...cinc.com>
---
 include/linux/coresight.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index c13342594278..497d2206419d 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -454,8 +454,11 @@ static inline struct clk *coresight_get_enable_apb_pclk(struct device *dev)
 	int ret;
 
 	pclk = clk_get(dev, "apb_pclk");
-	if (IS_ERR(pclk))
-		return NULL;
+	if (IS_ERR(pclk)) {
+		pclk = clk_get(dev, "apb");
+		if (IS_ERR(pclk))
+			return NULL;
+	}
 
 	ret = clk_prepare_enable(pclk);
 	if (ret) {
-- 
2.34.1