linux-kernel - [PATCH 2/3] clk: qcom: smd-rpm: Drop the use of struct rpm

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Date:   Sun, 31 Oct 2021 10:07:14 +0800
From:   Shawn Guo <shawn.guo@...aro.org>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-kernel@...r.kernel.org, Shawn Guo <shawn.guo@...aro.org>
Subject: [PATCH 2/3] clk: qcom: smd-rpm: Drop the use of struct rpm_cc

Considering that struct rpm_cc is now identical to rpm_smd_clk_desc,
and function qcom_smdrpm_clk_hw_get() uses rpm_cc in a read-only manner,
rpm_cc can be dropped by getting the function use rpm_smd_clk_desc
directly.

Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
---
 drivers/clk/qcom/clk-smd-rpm.c | 21 ++++-----------------
 1 file changed, 4 insertions(+), 17 deletions(-)

diff --git a/drivers/clk/qcom/clk-smd-rpm.c b/drivers/clk/qcom/clk-smd-rpm.c
index a27c0e740ab7..dd3d373a1309 100644
--- a/drivers/clk/qcom/clk-smd-rpm.c
+++ b/drivers/clk/qcom/clk-smd-rpm.c
@@ -150,11 +150,6 @@ struct clk_smd_rpm_req {
 	__le32 value;
 };
 
-struct rpm_cc {
-	struct clk_smd_rpm **clks;
-	size_t num_clks;
-};
-
 struct rpm_smd_clk_desc {
 	struct clk_smd_rpm **clks;
 	size_t num_clks;
@@ -1157,20 +1152,19 @@ MODULE_DEVICE_TABLE(of, rpm_smd_clk_match_table);
 static struct clk_hw *qcom_smdrpm_clk_hw_get(struct of_phandle_args *clkspec,
 					     void *data)
 {
-	struct rpm_cc *rcc = data;
+	const struct rpm_smd_clk_desc *desc = data;
 	unsigned int idx = clkspec->args[0];
 
-	if (idx >= rcc->num_clks) {
+	if (idx >= desc->num_clks) {
 		pr_err("%s: invalid index %u\n", __func__, idx);
 		return ERR_PTR(-EINVAL);
 	}
 
-	return rcc->clks[idx] ? &rcc->clks[idx]->hw : ERR_PTR(-ENOENT);
+	return desc->clks[idx] ? &desc->clks[idx]->hw : ERR_PTR(-ENOENT);
 }
 
 static int rpm_smd_clk_probe(struct platform_device *pdev)
 {
-	struct rpm_cc *rcc;
 	int ret;
 	size_t num_clks, i;
 	struct qcom_smd_rpm *rpm;
@@ -1190,13 +1184,6 @@ static int rpm_smd_clk_probe(struct platform_device *pdev)
 	rpm_smd_clks = desc->clks;
 	num_clks = desc->num_clks;
 
-	rcc = devm_kzalloc(&pdev->dev, sizeof(*rcc), GFP_KERNEL);
-	if (!rcc)
-		return -ENOMEM;
-
-	rcc->clks = rpm_smd_clks;
-	rcc->num_clks = num_clks;
-
 	for (i = 0; i < num_clks; i++) {
 		if (!rpm_smd_clks[i])
 			continue;
@@ -1222,7 +1209,7 @@ static int rpm_smd_clk_probe(struct platform_device *pdev)
 	}
 
 	ret = devm_of_clk_add_hw_provider(&pdev->dev, qcom_smdrpm_clk_hw_get,
-				     rcc);
+					  (void *)desc);
 	if (ret)
 		goto err;
 
-- 
2.17.1