linux-kernel - [PATCH 09/10] remoteproc: qcom_q6v5_wcss: Simplify with dev_err

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Message-Id: <20241011-remote-proc-dev-err-probe-v1-9-5abb4fc61eca@linaro.org>
Date: Fri, 11 Oct 2024 15:09:17 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 09/10] remoteproc: qcom_q6v5_wcss: Simplify with
 dev_err_probe()

Use dev_err_probe() to make error and defer code handling simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 drivers/remoteproc/qcom_q6v5_wcss.c | 92 ++++++++++++-------------------------
 1 file changed, 30 insertions(+), 62 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c
index e913dabae99245da60404461240ebeaebded67eb..8161575d821c4533646223a1d967172e1cdee9c1 100644
--- a/drivers/remoteproc/qcom_q6v5_wcss.c
+++ b/drivers/remoteproc/qcom_q6v5_wcss.c
@@ -902,90 +902,58 @@ static int q6v5_alloc_memory_region(struct q6v5_wcss *wcss)
 
 static int q6v5_wcss_init_clock(struct q6v5_wcss *wcss)
 {
-	int ret;
-
 	wcss->xo = devm_clk_get(wcss->dev, "xo");
-	if (IS_ERR(wcss->xo)) {
-		ret = PTR_ERR(wcss->xo);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get xo clock");
-		return ret;
-	}
+	if (IS_ERR(wcss->xo))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->xo),
+				     "failed to get xo clock");
 
 	wcss->gcc_abhs_cbcr = devm_clk_get(wcss->dev, "gcc_abhs_cbcr");
-	if (IS_ERR(wcss->gcc_abhs_cbcr)) {
-		ret = PTR_ERR(wcss->gcc_abhs_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get gcc abhs clock");
-		return ret;
-	}
+	if (IS_ERR(wcss->gcc_abhs_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->gcc_abhs_cbcr),
+				     "failed to get gcc abhs clock");
 
 	wcss->gcc_axim_cbcr = devm_clk_get(wcss->dev, "gcc_axim_cbcr");
-	if (IS_ERR(wcss->gcc_axim_cbcr)) {
-		ret = PTR_ERR(wcss->gcc_axim_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get gcc axim clock\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->gcc_axim_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->gcc_axim_cbcr),
+				     "failed to get gcc axim clock\n");
 
 	wcss->ahbfabric_cbcr_clk = devm_clk_get(wcss->dev,
 						"lcc_ahbfabric_cbc");
-	if (IS_ERR(wcss->ahbfabric_cbcr_clk)) {
-		ret = PTR_ERR(wcss->ahbfabric_cbcr_clk);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get ahbfabric clock\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->ahbfabric_cbcr_clk))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->ahbfabric_cbcr_clk),
+				     "failed to get ahbfabric clock\n");
 
 	wcss->lcc_csr_cbcr = devm_clk_get(wcss->dev, "tcsr_lcc_cbc");
-	if (IS_ERR(wcss->lcc_csr_cbcr)) {
-		ret = PTR_ERR(wcss->lcc_csr_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get csr cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->lcc_csr_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->lcc_csr_cbcr),
+				     "failed to get csr cbcr clk\n");
 
 	wcss->ahbs_cbcr = devm_clk_get(wcss->dev,
 				       "lcc_abhs_cbc");
-	if (IS_ERR(wcss->ahbs_cbcr)) {
-		ret = PTR_ERR(wcss->ahbs_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get ahbs_cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->ahbs_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->ahbs_cbcr),
+				     "failed to get ahbs_cbcr clk\n");
 
 	wcss->tcm_slave_cbcr = devm_clk_get(wcss->dev,
 					    "lcc_tcm_slave_cbc");
-	if (IS_ERR(wcss->tcm_slave_cbcr)) {
-		ret = PTR_ERR(wcss->tcm_slave_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get tcm cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->tcm_slave_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->tcm_slave_cbcr),
+				     "failed to get tcm cbcr clk\n");
 
 	wcss->qdsp6ss_abhm_cbcr = devm_clk_get(wcss->dev, "lcc_abhm_cbc");
-	if (IS_ERR(wcss->qdsp6ss_abhm_cbcr)) {
-		ret = PTR_ERR(wcss->qdsp6ss_abhm_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get abhm cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->qdsp6ss_abhm_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->qdsp6ss_abhm_cbcr),
+				     "failed to get abhm cbcr clk\n");
 
 	wcss->qdsp6ss_axim_cbcr = devm_clk_get(wcss->dev, "lcc_axim_cbc");
-	if (IS_ERR(wcss->qdsp6ss_axim_cbcr)) {
-		ret = PTR_ERR(wcss->qdsp6ss_axim_cbcr);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get axim cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->qdsp6ss_axim_cbcr))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->qdsp6ss_axim_cbcr),
+				     "failed to get axim cbcr clk\n");
 
 	wcss->lcc_bcr_sleep = devm_clk_get(wcss->dev, "lcc_bcr_sleep");
-	if (IS_ERR(wcss->lcc_bcr_sleep)) {
-		ret = PTR_ERR(wcss->lcc_bcr_sleep);
-		if (ret != -EPROBE_DEFER)
-			dev_err(wcss->dev, "failed to get bcr cbcr clk\n");
-		return ret;
-	}
+	if (IS_ERR(wcss->lcc_bcr_sleep))
+		return dev_err_probe(wcss->dev, PTR_ERR(wcss->lcc_bcr_sleep),
+				     "failed to get bcr cbcr clk\n");
 
 	return 0;
 }

-- 
2.43.0