From: Johan Hovold <johan+linaro@kernel.org>
Date: Fri, 5 Aug 2022 12:12:49 +0000 (+0200)
Subject: clk: gcc-sc8280xp: keep PCIe power-domains always-on
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=12d2a4769380f0dc9ba6f827839869db2b81ef00;p=linux.git

clk: gcc-sc8280xp: keep PCIe power-domains always-on

The Qualcomm PCIe driver does not yet implement suspend so to keep the
PCIe power domains always-on for now to avoid crashing during resume.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220805121250.10347-2-johan+linaro@kernel.org
---

diff --git a/drivers/clk/qcom/gcc-sc8280xp.c b/drivers/clk/qcom/gcc-sc8280xp.c
index a2f3ffcc58491..eaeada42e13ad 100644
--- a/drivers/clk/qcom/gcc-sc8280xp.c
+++ b/drivers/clk/qcom/gcc-sc8280xp.c
@@ -6768,6 +6768,10 @@ static struct gdsc pcie_1_tunnel_gdsc = {
 	.flags = VOTABLE,
 };
 
+/*
+ * The Qualcomm PCIe driver does not yet implement suspend so to keep the
+ * PCIe power domains always-on for now.
+ */
 static struct gdsc pcie_2a_gdsc = {
 	.gdscr = 0x9d004,
 	.collapse_ctrl = 0x52128,
@@ -6776,7 +6780,7 @@ static struct gdsc pcie_2a_gdsc = {
 		.name = "pcie_2a_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_2b_gdsc = {
@@ -6787,7 +6791,7 @@ static struct gdsc pcie_2b_gdsc = {
 		.name = "pcie_2b_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_3a_gdsc = {
@@ -6798,7 +6802,7 @@ static struct gdsc pcie_3a_gdsc = {
 		.name = "pcie_3a_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_3b_gdsc = {
@@ -6809,7 +6813,7 @@ static struct gdsc pcie_3b_gdsc = {
 		.name = "pcie_3b_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | ALWAYS_ON,
 };
 
 static struct gdsc pcie_4_gdsc = {
@@ -6820,7 +6824,7 @@ static struct gdsc pcie_4_gdsc = {
 		.name = "pcie_4_gdsc",
 	},
 	.pwrsts = PWRSTS_OFF_ON,
-	.flags = VOTABLE,
+	.flags = VOTABLE | ALWAYS_ON,
 };
 
 static struct gdsc ufs_card_gdsc = {