diff options
Diffstat (limited to 'arch/um/drivers')
| -rw-r--r-- | arch/um/drivers/Makefile | 1 | ||||
| -rw-r--r-- | arch/um/drivers/mmapper_kern.c | 135 | ||||
| -rw-r--r-- | arch/um/drivers/virtio_uml.c | 4 |
3 files changed, 2 insertions, 138 deletions
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile index 6bf8cbf71d3c..36dc57840084 100644 --- a/arch/um/drivers/Makefile +++ b/arch/um/drivers/Makefile @@ -29,7 +29,6 @@ obj-$(CONFIG_STDERR_CONSOLE) += stderr_console.o obj-$(CONFIG_UML_NET_VECTOR) += vector.o obj-$(CONFIG_MCONSOLE) += mconsole.o -obj-$(CONFIG_MMAPPER) += mmapper_kern.o obj-$(CONFIG_BLK_DEV_UBD) += ubd.o obj-$(CONFIG_UML_SOUND) += hostaudio.o obj-$(CONFIG_NULL_CHAN) += null.o diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c deleted file mode 100644 index 807cd3358740..000000000000 --- a/arch/um/drivers/mmapper_kern.c +++ /dev/null @@ -1,135 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/um/drivers/mmapper_kern.c - * - * BRIEF MODULE DESCRIPTION - * - * Copyright (C) 2000 RidgeRun, Inc. - * Author: RidgeRun, Inc. - * Greg Lonnon glonnon@ridgerun.com or info@ridgerun.com - * - */ - -#include <linux/stddef.h> -#include <linux/types.h> -#include <linux/fs.h> -#include <linux/init.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/mm.h> - -#include <linux/uaccess.h> -#include <mem_user.h> - -/* These are set in mmapper_init, which is called at boot time */ -static unsigned long mmapper_size; -static unsigned long p_buf; -static char *v_buf; - -static ssize_t mmapper_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) -{ - return simple_read_from_buffer(buf, count, ppos, v_buf, mmapper_size); -} - -static ssize_t mmapper_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - if (*ppos > mmapper_size) - return -EINVAL; - - return simple_write_to_buffer(v_buf, mmapper_size, ppos, buf, count); -} - -static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -{ - return -ENOIOCTLCMD; -} - -static int mmapper_mmap(struct file *file, struct vm_area_struct *vma) -{ - int ret = -EINVAL; - int size; - - if (vma->vm_pgoff != 0) - goto out; - - size = vma->vm_end - vma->vm_start; - if (size > mmapper_size) - return -EFAULT; - - /* - * XXX A comment above remap_pfn_range says it should only be - * called when the mm semaphore is held - */ - if (remap_pfn_range(vma, vma->vm_start, p_buf >> PAGE_SHIFT, size, - vma->vm_page_prot)) - goto out; - ret = 0; -out: - return ret; -} - -static int mmapper_open(struct inode *inode, struct file *file) -{ - return 0; -} - -static int mmapper_release(struct inode *inode, struct file *file) -{ - return 0; -} - -static const struct file_operations mmapper_fops = { - .owner = THIS_MODULE, - .read = mmapper_read, - .write = mmapper_write, - .unlocked_ioctl = mmapper_ioctl, - .mmap = mmapper_mmap, - .open = mmapper_open, - .release = mmapper_release, - .llseek = default_llseek, -}; - -/* - * No locking needed - only used (and modified) by below initcall and exitcall. - */ -static struct miscdevice mmapper_dev = { - .minor = MISC_DYNAMIC_MINOR, - .name = "mmapper", - .fops = &mmapper_fops -}; - -static int __init mmapper_init(void) -{ - int err; - - printk(KERN_INFO "Mapper v0.1\n"); - - v_buf = (char *) find_iomem("mmapper", &mmapper_size); - if (mmapper_size == 0) { - printk(KERN_ERR "mmapper_init - find_iomem failed\n"); - return -ENODEV; - } - p_buf = __pa(v_buf); - - err = misc_register(&mmapper_dev); - if (err) { - printk(KERN_ERR "mmapper - misc_register failed, err = %d\n", - err); - return err; - } - return 0; -} - -static void __exit mmapper_exit(void) -{ - misc_deregister(&mmapper_dev); -} - -module_init(mmapper_init); -module_exit(mmapper_exit); - -MODULE_AUTHOR("Greg Lonnon <glonnon@ridgerun.com>"); -MODULE_DESCRIPTION("DSPLinux simulator mmapper driver"); -MODULE_LICENSE("GPL"); diff --git a/arch/um/drivers/virtio_uml.c b/arch/um/drivers/virtio_uml.c index de7867ae220d..6cf1152a1a4e 100644 --- a/arch/um/drivers/virtio_uml.c +++ b/arch/um/drivers/virtio_uml.c @@ -24,6 +24,7 @@ #include <linux/of.h> #include <linux/platform_device.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/virtio.h> #include <linux/virtio_config.h> #include <linux/virtio_ring.h> @@ -1151,8 +1152,7 @@ void virtio_uml_set_no_vq_suspend(struct virtio_device *vdev, return; vu_dev->no_vq_suspend = no_vq_suspend; - dev_info(&vdev->dev, "%sabled VQ suspend\n", - no_vq_suspend ? "dis" : "en"); + dev_info(&vdev->dev, "%s VQ suspend\n", str_disabled_enabled(no_vq_suspend)); } static void vu_of_conn_broken(struct work_struct *wk) |