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    Subject[PATCH] add sysfs class support for mem devices [04/10]

    This adds class/mem/ for all memory devices (random, raw, null, etc.)

    diff -Nru a/drivers/char/mem.c b/drivers/char/mem.c
    --- a/drivers/char/mem.c Thu Jan 15 11:06:02 2004
    +++ b/drivers/char/mem.c Thu Jan 15 11:06:02 2004
    @@ -24,6 +24,7 @@
    #include <linux/smp_lock.h>
    #include <linux/devfs_fs_kernel.h>
    #include <linux/ptrace.h>
    +#include <linux/device.h>

    #include <asm/uaccess.h>
    #include <asm/io.h>
    @@ -676,6 +677,8 @@
    {11,"kmsg", S_IRUGO | S_IWUSR, &kmsg_fops},
    };

    +static struct class_simple *mem_class;
    +
    static int __init chr_dev_init(void)
    {
    int i;
    @@ -683,7 +686,11 @@
    if (register_chrdev(MEM_MAJOR,"mem",&memory_fops))
    printk("unable to get major %d for memory devs\n", MEM_MAJOR);

    + mem_class = class_simple_create(THIS_MODULE, "mem");
    for (i = 0; i < ARRAY_SIZE(devlist); i++) {
    + class_simple_device_add(mem_class,
    + MKDEV(MEM_MAJOR, devlist[i].minor),
    + NULL, devlist[i].name);
    devfs_mk_cdev(MKDEV(MEM_MAJOR, devlist[i].minor),
    S_IFCHR | devlist[i].mode, devlist[i].name);
    }
    -
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