Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

[linux-drm-fsl-dcu.git] / arch / mips / kernel / rtlx.c

diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index cdab1b2cd1343c0185ed4d5161059222076a6e0a..d92c48e0d7a6dd1aac6e5260e3d2f148530bdef2 100644 (file)
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -17,6 +17,7 @@
  *
  */
 
+#include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/fs.h>
@@ -34,6 +35,7 @@
 #include <linux/sched.h>
 #include <linux/wait.h>
 #include <asm/mipsmtregs.h>
+#include <asm/mips_mt.h>
 #include <asm/cacheflush.h>
 #include <asm/atomic.h>
 #include <asm/cpu.h>
@@ -61,16 +63,16 @@ static int sp_stopping = 0;
 
 extern void *vpe_get_shared(int index);
 
-static void rtlx_dispatch(struct pt_regs *regs)
+static void rtlx_dispatch(void)
 {
-       do_IRQ(MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ, regs);
+       do_IRQ(MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ);
 }
 
 
 /* Interrupt handler may be called before rtlx_init has otherwise had
    a chance to run.
 */
-static irqreturn_t rtlx_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t rtlx_interrupt(int irq, void *dev_id)
 {
        int i;
 
@@ -415,7 +417,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
        int minor;
        unsigned int mask = 0;
 
-       minor = iminor(file->f_dentry->d_inode);
+       minor = iminor(file->f_path.dentry->d_inode);
 
        poll_wait(file, &channel_wqs[minor].rt_queue, wait);
        poll_wait(file, &channel_wqs[minor].lx_queue, wait);
@@ -437,7 +439,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
 static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
                         loff_t * ppos)
 {
-       int minor = iminor(file->f_dentry->d_inode);
+       int minor = iminor(file->f_path.dentry->d_inode);
 
        /* data available? */
        if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
@@ -454,7 +456,7 @@ static ssize_t file_write(struct file *file, const char __user * buffer,
        struct rtlx_channel *rt;
        DECLARE_WAITQUEUE(wait, current);
 
-       minor = iminor(file->f_dentry->d_inode);
+       minor = iminor(file->f_path.dentry->d_inode);
        rt = &rtlx->channel[minor];
 
        /* any space left... */
@@ -476,7 +478,7 @@ static ssize_t file_write(struct file *file, const char __user * buffer,
        return rtlx_write(minor, (void *)buffer, count, 1);
 }
 
-static struct file_operations rtlx_fops = {
+static const struct file_operations rtlx_fops = {
        .owner =   THIS_MODULE,
        .open =    file_open,
        .release = file_release,
@@ -491,14 +493,15 @@ static struct irqaction rtlx_irq = {
        .name           = "RTLX",
 };
 
-static int rtlx_irq_num = MIPSCPU_INT_BASE + MIPS_CPU_RTLX_IRQ;
+static int rtlx_irq_num = MIPS_CPU_IRQ_BASE + MIPS_CPU_RTLX_IRQ;
 
 static char register_chrdev_failed[] __initdata =
        KERN_ERR "rtlx_module_init: unable to register device\n";
 
 static int rtlx_module_init(void)
 {
-       int i;
+       struct device *dev;
+       int i, err;
 
        major = register_chrdev(0, module_name, &rtlx_fops);
        if (major < 0) {
@@ -511,6 +514,13 @@ static int rtlx_module_init(void)
                init_waitqueue_head(&channel_wqs[i].rt_queue);
                init_waitqueue_head(&channel_wqs[i].lx_queue);
                channel_wqs[i].in_open = 0;
+
+               dev = device_create(mt_class, NULL, MKDEV(major, i),
+                                   "%s%d", module_name, i);
+               if (IS_ERR(dev)) {
+                       err = PTR_ERR(dev);
+                       goto out_chrdev;
+               }
        }
 
        /* set up notifiers */
@@ -525,10 +535,21 @@ static int rtlx_module_init(void)
        setup_irq(rtlx_irq_num, &rtlx_irq);
 
        return 0;
+
+out_chrdev:
+       for (i = 0; i < RTLX_CHANNELS; i++)
+               device_destroy(mt_class, MKDEV(major, i));
+
+       return err;
 }
 
 static 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, module_name);
 }