summaryrefslogtreecommitdiff
path: root/arch/mips/kernel/rtlx-cmp.c
diff options
context:
space:
mode:
authorThomas Bogendoerfer <tsbogend@alpha.franken.de>2023-04-05 20:51:27 +0200
committerThomas Bogendoerfer <tsbogend@alpha.franken.de>2023-04-12 15:01:09 +0200
commit7fb6f7b0af6742601e0efe315c78c26e88d30ff1 (patch)
tree2e460014e9d4965634cbd415dd1d7b13ceb4a031 /arch/mips/kernel/rtlx-cmp.c
parent045c340c86f8a9d7cb675e179dc6297caa6ebc01 (diff)
downloadlinux-7fb6f7b0af6742601e0efe315c78c26e88d30ff1.tar.gz
linux-7fb6f7b0af6742601e0efe315c78c26e88d30ff1.tar.bz2
linux-7fb6f7b0af6742601e0efe315c78c26e88d30ff1.zip
MIPS: Remove deprecated CONFIG_MIPS_CMP
Commit 5cac93b35c14 ("MIPS: Deprecate CONFIG_MIPS_CMP") deprecated CONFIG_MIPS_CMP and after 9 years it's time to remove it. Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com> Acked-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Diffstat (limited to 'arch/mips/kernel/rtlx-cmp.c')
-rw-r--r--arch/mips/kernel/rtlx-cmp.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/arch/mips/kernel/rtlx-cmp.c b/arch/mips/kernel/rtlx-cmp.c
deleted file mode 100644
index d26dcc4b46e7..000000000000
--- a/arch/mips/kernel/rtlx-cmp.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2005 MIPS Technologies, Inc. All rights reserved.
- * Copyright (C) 2013 Imagination Technologies Ltd.
- */
-#include <linux/device.h>
-#include <linux/fs.h>
-#include <linux/err.h>
-#include <linux/wait.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-
-#include <asm/mips_mt.h>
-#include <asm/vpe.h>
-#include <asm/rtlx.h>
-
-static int major;
-
-static void rtlx_interrupt(void)
-{
- int i;
- struct rtlx_info *info;
- struct rtlx_info **p = vpe_get_shared(aprp_cpu_index());
-
- if (p == NULL || *p == NULL)
- return;
-
- info = *p;
-
- if (info->ap_int_pending == 1 && smp_processor_id() == 0) {
- for (i = 0; i < RTLX_CHANNELS; i++) {
- wake_up(&channel_wqs[i].lx_queue);
- wake_up(&channel_wqs[i].rt_queue);
- }
- info->ap_int_pending = 0;
- }
-}
-
-void _interrupt_sp(void)
-{
- smp_send_reschedule(aprp_cpu_index());
-}
-
-int __init rtlx_module_init(void)
-{
- struct device *dev;
- int i, err;
-
- if (!cpu_has_mipsmt) {
- pr_warn("VPE loader: not a MIPS MT capable processor\n");
- return -ENODEV;
- }
-
- if (num_possible_cpus() - aprp_cpu_index() < 1) {
- pr_warn("No TCs reserved for AP/SP, not initializing RTLX.\n"
- "Pass maxcpus=<n> argument as kernel argument\n");
-
- return -ENODEV;
- }
-
- major = register_chrdev(0, RTLX_MODULE_NAME, &rtlx_fops);
- if (major < 0) {
- pr_err("rtlx_module_init: unable to register device\n");
- return major;
- }
-
- /* initialise the wait queues */
- for (i = 0; i < RTLX_CHANNELS; i++) {
- init_waitqueue_head(&channel_wqs[i].rt_queue);
- init_waitqueue_head(&channel_wqs[i].lx_queue);
- atomic_set(&channel_wqs[i].in_open, 0);
- mutex_init(&channel_wqs[i].mutex);
-
- dev = device_create(mt_class, NULL, MKDEV(major, i), NULL,
- "%s%d", RTLX_MODULE_NAME, i);
- if (IS_ERR(dev)) {
- while (i--)
- device_destroy(mt_class, MKDEV(major, i));
-
- err = PTR_ERR(dev);
- goto out_chrdev;
- }
- }
-
- /* set up notifiers */
- rtlx_notify.start = rtlx_starting;
- rtlx_notify.stop = rtlx_stopping;
- vpe_notify(aprp_cpu_index(), &rtlx_notify);
-
- if (cpu_has_vint) {
- aprp_hook = rtlx_interrupt;
- } else {
- pr_err("APRP RTLX init on non-vectored-interrupt processor\n");
- err = -ENODEV;
- goto out_class;
- }
-
- return 0;
-
-out_class:
- for (i = 0; i < RTLX_CHANNELS; i++)
- device_destroy(mt_class, MKDEV(major, i));
-out_chrdev:
- unregister_chrdev(major, RTLX_MODULE_NAME);
-
- return err;
-}
-
-void __exit rtlx_module_exit(void)
-{
- int i;
-
- for (i = 0; i < RTLX_CHANNELS; i++)
- device_destroy(mt_class, MKDEV(major, i));
-
- unregister_chrdev(major, RTLX_MODULE_NAME);
-
- aprp_hook = NULL;
-}