From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools
---
kernel/drivers/clk/tegra/clk-sdmmc-mux.c | 29 ++++++++++++++++++++++++++++-
1 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/clk/tegra/clk-sdmmc-mux.c b/kernel/drivers/clk/tegra/clk-sdmmc-mux.c
index a829470..4f2c330 100644
--- a/kernel/drivers/clk/tegra/clk-sdmmc-mux.c
+++ b/kernel/drivers/clk/tegra/clk-sdmmc-mux.c
@@ -12,6 +12,7 @@
#include <linux/clk-provider.h>
#include <linux/err.h>
+#include <linux/io.h>
#include <linux/types.h>
#include "clk.h"
@@ -193,6 +194,30 @@
gate_ops->disable(gate_hw);
}
+static void clk_sdmmc_mux_disable_unused(struct clk_hw *hw)
+{
+ struct tegra_sdmmc_mux *sdmmc_mux = to_clk_sdmmc_mux(hw);
+ const struct clk_ops *gate_ops = sdmmc_mux->gate_ops;
+ struct clk_hw *gate_hw = &sdmmc_mux->gate.hw;
+
+ gate_ops->disable_unused(gate_hw);
+}
+
+static void clk_sdmmc_mux_restore_context(struct clk_hw *hw)
+{
+ struct clk_hw *parent = clk_hw_get_parent(hw);
+ unsigned long parent_rate = clk_hw_get_rate(parent);
+ unsigned long rate = clk_hw_get_rate(hw);
+ int parent_id;
+
+ parent_id = clk_hw_get_parent_index(hw);
+ if (WARN_ON(parent_id < 0))
+ return;
+
+ clk_sdmmc_mux_set_parent(hw, parent_id);
+ clk_sdmmc_mux_set_rate(hw, rate, parent_rate);
+}
+
static const struct clk_ops tegra_clk_sdmmc_mux_ops = {
.get_parent = clk_sdmmc_mux_get_parent,
.set_parent = clk_sdmmc_mux_set_parent,
@@ -202,6 +227,8 @@
.is_enabled = clk_sdmmc_mux_is_enabled,
.enable = clk_sdmmc_mux_enable,
.disable = clk_sdmmc_mux_disable,
+ .disable_unused = clk_sdmmc_mux_disable_unused,
+ .restore_context = clk_sdmmc_mux_restore_context,
};
struct clk *tegra_clk_register_sdmmc_mux_div(const char *name,
@@ -209,7 +236,7 @@
unsigned long flags, void *lock)
{
struct clk *clk;
- struct clk_init_data init = {};
+ struct clk_init_data init;
const struct tegra_clk_periph_regs *bank;
struct tegra_sdmmc_mux *sdmmc_mux;
--
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