diff options
Diffstat (limited to 'arch/mips/ralink/reset.c')
| -rw-r--r-- | arch/mips/ralink/reset.c | 65 |
1 files changed, 1 insertions, 64 deletions
diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c index e9531fea23a2..4875637ef469 100644 --- a/arch/mips/ralink/reset.c +++ b/arch/mips/ralink/reset.c @@ -1,7 +1,5 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. * * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org> * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> @@ -12,7 +10,6 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/delay.h> -#include <linux/reset-controller.h> #include <asm/reboot.h> @@ -24,66 +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 < 8) - 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 < 8) - 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)) { |