From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Kishon Vijay Abraham I <kishon@ti.com>, Vinod Koul <vkoul@kernel.org>, Stephen Boyd <swboyd@chromium.org> Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] phy: qmp: Provide unique clock names for DP clocks Date: Wed, 21 Jul 2021 20:07:38 -0700 [thread overview] Message-ID: <20210722030738.3385821-1-bjorn.andersson@linaro.org> (raw) The USB/DP combo PHY exposes the "qmp_dp_phy_pll_link_clk" and "qmp_dp_phy_pll_vco_div_clk" clocks, that are consumed by the display clock controller. But for boards with multiple enabled QMP USB/DP combo instances the hard coded names collides - and hence only the first probed device is allowed to register. Given that clocks are no longer reference globally by name and it's possible to replace the hard coded names by something unique, but still user friendly. The two new clock names are based on dev_name() and results in names such as "88ee000.phy::link_clk" and "88ee000.phy::vco_div_clk". Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b7f2e36d7960..61707d99a9eb 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -5213,6 +5213,7 @@ static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, { struct clk_init_data init = { }; struct qmp_phy_dp_clks *dp_clks; + char name[64]; int ret; dp_clks = devm_kzalloc(qmp->dev, sizeof(*dp_clks), GFP_KERNEL); @@ -5222,15 +5223,17 @@ static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, dp_clks->qphy = qphy; qphy->dp_clks = dp_clks; + snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev)); init.ops = &qcom_qmp_dp_link_clk_ops; - init.name = "qmp_dp_phy_pll_link_clk"; + init.name = name; dp_clks->dp_link_hw.init = &init; ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_link_hw); if (ret) return ret; + snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev)); init.ops = &qcom_qmp_dp_pixel_clk_ops; - init.name = "qmp_dp_phy_pll_vco_div_clk"; + init.name = name; dp_clks->dp_pixel_hw.init = &init; ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_pixel_hw); if (ret) -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Kishon Vijay Abraham I <kishon@ti.com>, Vinod Koul <vkoul@kernel.org>, Stephen Boyd <swboyd@chromium.org> Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] phy: qmp: Provide unique clock names for DP clocks Date: Wed, 21 Jul 2021 20:07:38 -0700 [thread overview] Message-ID: <20210722030738.3385821-1-bjorn.andersson@linaro.org> (raw) The USB/DP combo PHY exposes the "qmp_dp_phy_pll_link_clk" and "qmp_dp_phy_pll_vco_div_clk" clocks, that are consumed by the display clock controller. But for boards with multiple enabled QMP USB/DP combo instances the hard coded names collides - and hence only the first probed device is allowed to register. Given that clocks are no longer reference globally by name and it's possible to replace the hard coded names by something unique, but still user friendly. The two new clock names are based on dev_name() and results in names such as "88ee000.phy::link_clk" and "88ee000.phy::vco_div_clk". Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index b7f2e36d7960..61707d99a9eb 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -5213,6 +5213,7 @@ static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, { struct clk_init_data init = { }; struct qmp_phy_dp_clks *dp_clks; + char name[64]; int ret; dp_clks = devm_kzalloc(qmp->dev, sizeof(*dp_clks), GFP_KERNEL); @@ -5222,15 +5223,17 @@ static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy, dp_clks->qphy = qphy; qphy->dp_clks = dp_clks; + snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev)); init.ops = &qcom_qmp_dp_link_clk_ops; - init.name = "qmp_dp_phy_pll_link_clk"; + init.name = name; dp_clks->dp_link_hw.init = &init; ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_link_hw); if (ret) return ret; + snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev)); init.ops = &qcom_qmp_dp_pixel_clk_ops; - init.name = "qmp_dp_phy_pll_vco_div_clk"; + init.name = name; dp_clks->dp_pixel_hw.init = &init; ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_pixel_hw); if (ret) -- 2.29.2 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy
next reply other threads:[~2021-07-22 3:09 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-07-22 3:07 Bjorn Andersson [this message] 2021-07-22 3:07 ` [PATCH] phy: qmp: Provide unique clock names for DP clocks Bjorn Andersson 2021-07-22 19:31 ` Stephen Boyd 2021-07-22 19:31 ` Stephen Boyd 2021-08-06 11:44 ` Vinod Koul 2021-08-06 11:44 ` Vinod Koul
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