openwrt/target/linux/ramips/patches-6.1/005-v6.5-07-mips-ralink-remove-reset-related-code.patch
Nick Hainke 0dcbe4e931 ramips: 6.1: copy config and patches
Copy config and patches from 5.15. This simplifies reviewing process.

Signed-off-by: Nick Hainke <vincent@systemli.org>
2024-02-10 13:06:05 +01:00

122 lines
3.2 KiB
Diff

From 201ddc05777cd8e084b508bcdda22214bfe2895e Mon Sep 17 00:00:00 2001
From: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Date: Mon, 19 Jun 2023 06:09:39 +0200
Subject: [PATCH 7/9] mips: ralink: remove reset related code
A proper clock driver for ralink SoCs has been added. This driver is also
a reset provider for the SoC. Hence there is no need to have reset related
code in 'arch/mips/ralink' folder anymore. The only code that remains is
the one related with mips_reboot_setup where a PCI reset is performed.
We maintain this because I cannot test old ralink board with PCI to be
sure all works if we remove also this code.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---
arch/mips/ralink/common.h | 2 --
arch/mips/ralink/of.c | 4 ----
arch/mips/ralink/reset.c | 61 -----------------------------------------------
3 files changed, 67 deletions(-)
--- a/arch/mips/ralink/common.h
+++ b/arch/mips/ralink/common.h
@@ -23,8 +23,6 @@ extern struct ralink_soc_info soc_info;
extern void ralink_of_remap(void);
-extern void ralink_rst_init(void);
-
extern void __init prom_soc_init(struct ralink_soc_info *soc_info);
__iomem void *plat_of_remap_node(const char *node);
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -95,10 +95,6 @@ static int __init plat_of_setup(void)
{
__dt_register_buses(soc_info.compatible, "palmbus");
- /* make sure that the reset controller is setup early */
- if (ralink_soc != MT762X_SOC_MT7621AT)
- ralink_rst_init();
-
return 0;
}
--- a/arch/mips/ralink/reset.c
+++ b/arch/mips/ralink/reset.c
@@ -10,7 +10,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/delay.h>
-#include <linux/reset-controller.h>
#include <asm/reboot.h>
@@ -22,66 +21,6 @@
#define RSTCTL_RESET_PCI BIT(26)
#define RSTCTL_RESET_SYSTEM BIT(0)
-static int ralink_assert_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- u32 val;
-
- if (id == 0)
- return -1;
-
- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
- val |= BIT(id);
- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
-
- return 0;
-}
-
-static int ralink_deassert_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- u32 val;
-
- if (id == 0)
- return -1;
-
- val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
- val &= ~BIT(id);
- rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
-
- return 0;
-}
-
-static int ralink_reset_device(struct reset_controller_dev *rcdev,
- unsigned long id)
-{
- ralink_assert_device(rcdev, id);
- return ralink_deassert_device(rcdev, id);
-}
-
-static const struct reset_control_ops reset_ops = {
- .reset = ralink_reset_device,
- .assert = ralink_assert_device,
- .deassert = ralink_deassert_device,
-};
-
-static struct reset_controller_dev reset_dev = {
- .ops = &reset_ops,
- .owner = THIS_MODULE,
- .nr_resets = 32,
- .of_reset_n_cells = 1,
-};
-
-void ralink_rst_init(void)
-{
- reset_dev.of_node = of_find_compatible_node(NULL, NULL,
- "ralink,rt2880-reset");
- if (!reset_dev.of_node)
- pr_err("Failed to find reset controller node");
- else
- reset_controller_register(&reset_dev);
-}
-
static void ralink_restart(char *command)
{
if (IS_ENABLED(CONFIG_PCI)) {