diff mbox series

[v2,1/3] clk: qcom: gcc-sc8280xp: Add missing GDSC flags

Message ID	20230620-topic-sc8280_gccgdsc-v2-1-562c1428c10d@linaro.org
State	New
Headers	Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; From: Konrad Dybcio <konrad.dybcio@linaro.org> Date: Mon, 26 Jun 2023 19:48:06 +0200 Subject: [PATCH v2 1/3] clk: qcom: gcc-sc8280xp: Add missing GDSC flags MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20230620-topic-sc8280_gccgdsc-v2-1-562c1428c10d@linaro.org> References: <20230620-topic-sc8280_gccgdsc-v2-0-562c1428c10d@linaro.org> In-Reply-To: <20230620-topic-sc8280_gccgdsc-v2-0-562c1428c10d@linaro.org> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <andersson@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Vinod Koul <vkoul@kernel.org> Cc: Marijn Suijten <marijn.suijten@somainline.org>, linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>, Konrad Dybcio <konrad.dybcio@linaro.org> Precedence: bulk
Series	Fix up 8280 GCC GDSCs \| [v2,0/3] Fix up 8280 GCC GDSCs [v2,1/3] clk: qcom: gcc-sc8280xp: Add missing GDSC flags [v2,2/3] dt-bindings: clock: qcom,gcc-sc8280xp: Add missing GDSCs [v2,3/3] clk: qcom: gcc-sc8280xp: Add missing GDSCs

Commit Message

Konrad Dybcio June 26, 2023, 5:48 p.m. UTC

  All of the 8280's GCC GDSCs can and should use the retain registers so
as not to lose their state when entering lower power modes.

Fixes: d65d005f9a6c ("clk: qcom: add sc8280xp GCC driver")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/clk/qcom/gcc-sc8280xp.c | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

Comments

Manivannan Sadhasivam July 7, 2023, 7:44 a.m. UTC | #1

On Mon, Jun 26, 2023 at 07:48:06PM +0200, Konrad Dybcio wrote:
> All of the 8280's GCC GDSCs can and should use the retain registers so
> as not to lose their state when entering lower power modes.
> 
> Fixes: d65d005f9a6c ("clk: qcom: add sc8280xp GCC driver")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

- Mani

> ---
>  drivers/clk/qcom/gcc-sc8280xp.c | 21 ++++++++++++++-------
>  1 file changed, 14 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c
> index b90c71637814..64bea886322d 100644
> --- a/drivers/clk/qcom/gcc-sc8280xp.c
> +++ b/drivers/clk/qcom/gcc-sc8280xp.c
> @@ -6761,7 +6761,7 @@ static struct gdsc pcie_0_tunnel_gdsc = {
>  		.name = "pcie_0_tunnel_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc pcie_1_tunnel_gdsc = {
> @@ -6772,7 +6772,7 @@ static struct gdsc pcie_1_tunnel_gdsc = {
>  		.name = "pcie_1_tunnel_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE,
>  };
>  
>  /*
> @@ -6787,7 +6787,7 @@ static struct gdsc pcie_2a_gdsc = {
>  		.name = "pcie_2a_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
>  };
>  
>  static struct gdsc pcie_2b_gdsc = {
> @@ -6798,7 +6798,7 @@ static struct gdsc pcie_2b_gdsc = {
>  		.name = "pcie_2b_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
>  };
>  
>  static struct gdsc pcie_3a_gdsc = {
> @@ -6809,7 +6809,7 @@ static struct gdsc pcie_3a_gdsc = {
>  		.name = "pcie_3a_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
>  };
>  
>  static struct gdsc pcie_3b_gdsc = {
> @@ -6820,7 +6820,7 @@ static struct gdsc pcie_3b_gdsc = {
>  		.name = "pcie_3b_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
>  };
>  
>  static struct gdsc pcie_4_gdsc = {
> @@ -6831,7 +6831,7 @@ static struct gdsc pcie_4_gdsc = {
>  		.name = "pcie_4_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> -	.flags = VOTABLE | ALWAYS_ON,
> +	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
>  };
>  
>  static struct gdsc ufs_card_gdsc = {
> @@ -6840,6 +6840,7 @@ static struct gdsc ufs_card_gdsc = {
>  		.name = "ufs_card_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc ufs_phy_gdsc = {
> @@ -6848,6 +6849,7 @@ static struct gdsc ufs_phy_gdsc = {
>  		.name = "ufs_phy_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc usb30_mp_gdsc = {
> @@ -6856,6 +6858,7 @@ static struct gdsc usb30_mp_gdsc = {
>  		.name = "usb30_mp_gdsc",
>  	},
>  	.pwrsts = PWRSTS_RET_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc usb30_prim_gdsc = {
> @@ -6864,6 +6867,7 @@ static struct gdsc usb30_prim_gdsc = {
>  		.name = "usb30_prim_gdsc",
>  	},
>  	.pwrsts = PWRSTS_RET_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc usb30_sec_gdsc = {
> @@ -6872,6 +6876,7 @@ static struct gdsc usb30_sec_gdsc = {
>  		.name = "usb30_sec_gdsc",
>  	},
>  	.pwrsts = PWRSTS_RET_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc emac_0_gdsc = {
> @@ -6880,6 +6885,7 @@ static struct gdsc emac_0_gdsc = {
>  		.name = "emac_0_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct gdsc emac_1_gdsc = {
> @@ -6888,6 +6894,7 @@ static struct gdsc emac_1_gdsc = {
>  		.name = "emac_1_gdsc",
>  	},
>  	.pwrsts = PWRSTS_OFF_ON,
> +	.flags = RETAIN_FF_ENABLE,
>  };
>  
>  static struct clk_regmap *gcc_sc8280xp_clocks[] = {
> 
> -- 
> 2.41.0
>

diff mbox series

Patch

diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c
index b90c71637814..64bea886322d 100644
--- a/drivers/clk/qcom/gcc-sc8280xp.c
+++ b/drivers/clk/qcom/gcc-sc8280xp.c
@@ -6761,7 +6761,7 @@  static struct gdsc pcie_0_tunnel_gdsc = {
 		.name = "pcie_0_tunnel_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | RETAIN_FF_ENABLE,
 };
 
 static struct gdsc pcie_1_tunnel_gdsc = {
@@ -6772,7 +6772,7 @@  static struct gdsc pcie_1_tunnel_gdsc = {
 		.name = "pcie_1_tunnel_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | RETAIN_FF_ENABLE,
 };
 
 /*
@@ -6787,7 +6787,7 @@  static struct gdsc pcie_2a_gdsc = {
 		.name = "pcie_2a_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE | ALWAYS_ON,
+	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_2b_gdsc = {
@@ -6798,7 +6798,7 @@  static struct gdsc pcie_2b_gdsc = {
 		.name = "pcie_2b_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE | ALWAYS_ON,
+	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_3a_gdsc = {
@@ -6809,7 +6809,7 @@  static struct gdsc pcie_3a_gdsc = {
 		.name = "pcie_3a_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE | ALWAYS_ON,
+	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_3b_gdsc = {
@@ -6820,7 +6820,7 @@  static struct gdsc pcie_3b_gdsc = {
 		.name = "pcie_3b_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE | ALWAYS_ON,
+	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_4_gdsc = {
@@ -6831,7 +6831,7 @@  static struct gdsc pcie_4_gdsc = {
 		.name = "pcie_4_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE | ALWAYS_ON,
+	.flags = VOTABLE | RETAIN_FF_ENABLE | ALWAYS_ON,
 };
 
 static struct gdsc ufs_card_gdsc = {
@@ -6840,6 +6840,7 @@  static struct gdsc ufs_card_gdsc = {
 		.name = "ufs_card_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc ufs_phy_gdsc = {
@@ -6848,6 +6849,7 @@  static struct gdsc ufs_phy_gdsc = {
 		.name = "ufs_phy_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc usb30_mp_gdsc = {
@@ -6856,6 +6858,7 @@  static struct gdsc usb30_mp_gdsc = {
 		.name = "usb30_mp_gdsc",
 	},
 	.pwrsts = PWRSTS_RET_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc usb30_prim_gdsc = {
@@ -6864,6 +6867,7 @@  static struct gdsc usb30_prim_gdsc = {
 		.name = "usb30_prim_gdsc",
 	},
 	.pwrsts = PWRSTS_RET_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc usb30_sec_gdsc = {
@@ -6872,6 +6876,7 @@  static struct gdsc usb30_sec_gdsc = {
 		.name = "usb30_sec_gdsc",
 	},
 	.pwrsts = PWRSTS_RET_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc emac_0_gdsc = {
@@ -6880,6 +6885,7 @@  static struct gdsc emac_0_gdsc = {
 		.name = "emac_0_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct gdsc emac_1_gdsc = {
@@ -6888,6 +6894,7 @@  static struct gdsc emac_1_gdsc = {
 		.name = "emac_1_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
+	.flags = RETAIN_FF_ENABLE,
 };
 
 static struct clk_regmap *gcc_sc8280xp_clocks[] = {