From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/pci/controller/dwc/pcie-tegra194.c | 13 +++++++++++--
1 files changed, 11 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/pci/controller/dwc/pcie-tegra194.c b/kernel/drivers/pci/controller/dwc/pcie-tegra194.c
index 1222f57..a215777 100644
--- a/kernel/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/kernel/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -239,6 +239,7 @@
#define EP_STATE_ENABLED 1
static const unsigned int pcie_gen_freq[] = {
+ GEN1_CORE_CLK_FREQ, /* PCI_EXP_LNKSTA_CLS == 0; undefined */
GEN1_CORE_CLK_FREQ,
GEN2_CORE_CLK_FREQ,
GEN3_CORE_CLK_FREQ,
@@ -470,7 +471,11 @@
speed = dw_pcie_readw_dbi(pci, pcie->pcie_cap_base + PCI_EXP_LNKSTA) &
PCI_EXP_LNKSTA_CLS;
- clk_set_rate(pcie->core_clk, pcie_gen_freq[speed - 1]);
+
+ if (speed >= ARRAY_SIZE(pcie_gen_freq))
+ speed = 0;
+
+ clk_set_rate(pcie->core_clk, pcie_gen_freq[speed]);
/* If EP doesn't advertise L1SS, just return */
val = dw_pcie_readl_dbi(pci, pcie->cfg_link_cap_l1sub);
@@ -973,7 +978,11 @@
speed = dw_pcie_readw_dbi(pci, pcie->pcie_cap_base + PCI_EXP_LNKSTA) &
PCI_EXP_LNKSTA_CLS;
- clk_set_rate(pcie->core_clk, pcie_gen_freq[speed - 1]);
+
+ if (speed >= ARRAY_SIZE(pcie_gen_freq))
+ speed = 0;
+
+ clk_set_rate(pcie->core_clk, pcie_gen_freq[speed]);
tegra_pcie_enable_interrupts(pp);
--
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