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From:   Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
To:     <agross@kernel.org>, <bjorn.andersson@linaro.org>,
        <lgirdwood@gmail.com>, <broonie@kernel.org>, <robh+dt@kernel.org>,
        <quic_plai@quicinc.com>, <bgoswami@codeaurora.org>,
        <perex@perex.cz>, <tiwai@suse.com>,
        <srinivas.kandagatla@linaro.org>, <rohitkr@codeaurora.org>,
        <linux-arm-msm@vger.kernel.org>, <alsa-devel@alsa-project.org>,
        <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <swboyd@chromium.org>, <judyhsiao@chromium.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        <linux-gpio@vger.kernel.org>
CC:     Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>,
        "Venkata Prasad Potturu" <quic_potturu@quicinc.com>
Subject: [PATCH v6 7/7] pinctrl: qcom: Update clock voting as optional
Date:   Mon, 14 Feb 2022 20:49:54 +0530
Message-ID: <1644851994-22732-8-git-send-email-quic_srivasam@quicinc.com>
In-Reply-To: <1644851994-22732-1-git-send-email-quic_srivasam@quicinc.com>
References: <1644851994-22732-1-git-send-email-quic_srivasam@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Update bulk clock voting to optional voting as ADSP bypass platform doesn't
need macro and decodec clocks, these are maintained as power domains and
operated from lpass audio core cc.

Signed-off-by: Srinivasa Rao Mandadapu <quic_srivasam@quicinc.com>
Co-developed-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
Signed-off-by: Venkata Prasad Potturu <quic_potturu@quicinc.com>
---
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c        | 16 +++++++++-------
 drivers/pinctrl/qcom/pinctrl-lpass-lpi.h        |  1 +
 drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c |  1 +
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
index 8a82fd9..103f0a6c 100644
--- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
+++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
@@ -407,13 +407,15 @@ int lpi_pinctrl_probe(struct platform_device *pdev)
 		return dev_err_probe(dev, PTR_ERR(pctrl->slew_base),
 				     "Slew resource not provided\n");
 
-	ret = devm_clk_bulk_get(dev, MAX_LPI_NUM_CLKS, pctrl->clks);
-	if (ret)
-		return dev_err_probe(dev, ret, "Can't get clocks\n");
-
-	ret = clk_bulk_prepare_enable(MAX_LPI_NUM_CLKS, pctrl->clks);
-	if (ret)
-		return dev_err_probe(dev, ret, "Can't enable clocks\n");
+	if (!data->is_clk_optional) {
+		ret = devm_clk_bulk_get(dev, MAX_LPI_NUM_CLKS, pctrl->clks);
+		if (ret)
+			return dev_err_probe(dev, ret, "Can't get clocks\n");
+
+		ret = clk_bulk_prepare_enable(MAX_LPI_NUM_CLKS, pctrl->clks);
+		if (ret)
+			return dev_err_probe(dev, ret, "Can't enable clocks\n");
+	}
 
 	pctrl->desc.pctlops = &lpi_gpio_pinctrl_ops;
 	pctrl->desc.pmxops = &lpi_gpio_pinmux_ops;
diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h
index a511d72..c1079bf 100644
--- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h
+++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h
@@ -77,6 +77,7 @@ struct lpi_pinctrl_variant_data {
 	int ngroups;
 	const struct lpi_function *functions;
 	int nfunctions;
+	int is_clk_optional;
 };
 
 int lpi_pinctrl_probe(struct platform_device *pdev);
diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
index 5bf30d97..4277e31 100644
--- a/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
+++ b/drivers/pinctrl/qcom/pinctrl-sc7280-lpass-lpi.c
@@ -143,6 +143,7 @@ static const struct lpi_pinctrl_variant_data sc7280_lpi_data = {
 	.ngroups = ARRAY_SIZE(sc7280_groups),
 	.functions = sc7280_functions,
 	.nfunctions = ARRAY_SIZE(sc7280_functions),
+	.is_clk_optional = 1,
 };
 
 static const struct of_device_id lpi_pinctrl_of_match[] = {
-- 
2.7.4