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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: "Andy Gross" <agross@kernel.org>,
	"Bjorn Andersson" <bjorn.andersson@linaro.org>,
	"Stephen Boyd" <swboyd@chromium.org>,
	"Michael Turquette" <mturquette@baylibre.com>,
	"Taniya Das" <tdas@codeaurora.org>,
	"Lorenzo Pieralisi" <lorenzo.pieralisi@arm.com>,
	"Krzysztof Wilczyński" <kw@linux.com>,
	"Bjorn Helgaas" <bhelgaas@google.com>
Cc: Prasad Malisetty <quic_pmaliset@quicinc.com>,
	linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-pci@vger.kernel.org
Subject: [PATCH v3 1/6] clk: qcom: add two parent_map helpers
Date: Thu, 14 Apr 2022 02:31:39 +0300	[thread overview]
Message-ID: <20220413233144.275926-2-dmitry.baryshkov@linaro.org> (raw)
In-Reply-To: <20220413233144.275926-1-dmitry.baryshkov@linaro.org>

Add two helpers that use parent_maps to convert between cfg and src
values.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/clk/qcom/common.c | 24 ++++++++++++++++++++++++
 drivers/clk/qcom/common.h |  5 +++++
 2 files changed, 29 insertions(+)

diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 75f09e6e057e..5f6230a67896 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -81,6 +81,30 @@ int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
 }
 EXPORT_SYMBOL_GPL(qcom_find_cfg_index);
 
+int qcom_map_src_cfg(struct clk_hw *hw, const struct parent_map *map, u8 src)
+{
+	int i, num_parents = clk_hw_get_num_parents(hw);
+
+	for (i = 0; i < num_parents; i++)
+		if (src == map[i].src)
+			return map[i].cfg;
+
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_map_src_cfg);
+
+int qcom_map_cfg_src(struct clk_hw *hw, const struct parent_map *map, u8 cfg)
+{
+	int i, num_parents = clk_hw_get_num_parents(hw);
+
+	for (i = 0; i < num_parents; i++)
+		if (cfg == map[i].cfg)
+			return map[i].src;
+
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(qcom_map_cfg_src);
+
 struct regmap *
 qcom_cc_map(struct platform_device *pdev, const struct qcom_cc_desc *desc)
 {
diff --git a/drivers/clk/qcom/common.h b/drivers/clk/qcom/common.h
index 9c8f7b798d9f..fef31a432dcd 100644
--- a/drivers/clk/qcom/common.h
+++ b/drivers/clk/qcom/common.h
@@ -51,6 +51,11 @@ extern int qcom_find_src_index(struct clk_hw *hw, const struct parent_map *map,
 			       u8 src);
 extern int qcom_find_cfg_index(struct clk_hw *hw, const struct parent_map *map,
 			       u8 cfg);
+extern int qcom_map_src_cfg(struct clk_hw *hw, const struct parent_map *map,
+			    u8 src);
+
+extern int qcom_map_cfg_src(struct clk_hw *hw, const struct parent_map *map,
+			    u8 cfg);
 
 extern int qcom_cc_register_board_clk(struct device *dev, const char *path,
 				      const char *name, unsigned long rate);
-- 
2.35.1


  reply	other threads:[~2022-04-13 23:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-13 23:31 [PATCH v3 0/6] PCI: qcom: rework pipe_clk/pipe_clk_src handling Dmitry Baryshkov
2022-04-13 23:31 ` Dmitry Baryshkov [this message]
2022-04-13 23:31 ` [PATCH v3 2/6] clk: qcom: regmap-mux: add pipe clk implementation Dmitry Baryshkov
2022-04-13 23:31 ` [PATCH v3 3/6] clk: qcom: gcc-sm8450: use new clk_regmap_mux_safe_ops for PCIe pipe clocks Dmitry Baryshkov
2022-04-13 23:31 ` [PATCH v3 4/6] clk: qcom: gcc-sc7280: " Dmitry Baryshkov
2022-04-13 23:31 ` [PATCH v3 5/6] PCI: qcom: Remove unnecessary pipe_clk handling Dmitry Baryshkov
2022-04-13 23:31 ` [PATCH v3 6/6] PCI: qcom: Drop manual pipe_clk_src handling Dmitry Baryshkov
2022-04-21 10:28 ` [PATCH v3 0/6] PCI: qcom: rework pipe_clk/pipe_clk_src handling Johan Hovold
2022-04-21 11:37   ` Dmitry Baryshkov

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