X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fchar%2Fdsp56k.c;h=ca7c72a486b2f1391d57b07621c19e28cb37d65d;hp=b9a30c30e2b8682a85822c764b8b05f3bd3bdb79;hb=eda3d8f5604860aae1bb9996bb5efc4213778369;hpb=38c46578ffd8ffbfec514c2a9876d527303322d6

diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index b9a30c30e2b8..ca7c72a486b2 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -36,10 +36,10 @@
 #include <linux/smp_lock.h>
 #include <linux/firmware.h>
 #include <linux/platform_device.h>
+#include <linux/uaccess.h>	/* For put_user and get_user */
 
 #include <asm/atarihw.h>
 #include <asm/traps.h>
-#include <asm/uaccess.h>	/* For put_user and get_user */
 
 #include <asm/dsp56k.h>
 
@@ -303,10 +303,10 @@ static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t co
 	}
 }
 
-static int dsp56k_ioctl(struct inode *inode, struct file *file,
-			unsigned int cmd, unsigned long arg)
+static long dsp56k_ioctl(struct file *file, unsigned int cmd,
+			 unsigned long arg)
 {
-	int dev = iminor(inode) & 0x0f;
+	int dev = iminor(file->f_path.dentry->d_inode) & 0x0f;
 	void __user *argp = (void __user *)arg;
 
 	switch(dev)
@@ -331,8 +331,9 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file,
 			if (len > DSP56K_MAX_BINARY_LENGTH) {
 				return -EINVAL;
 			}
-    
+			lock_kernel();
 			r = dsp56k_upload(bin, len);
+			unlock_kernel();
 			if (r < 0) {
 				return r;
 			}
@@ -342,12 +343,16 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file,
 		case DSP56K_SET_TX_WSIZE:
 			if (arg > 4 || arg < 1)
 				return -EINVAL;
+			lock_kernel();
 			dsp56k.tx_wsize = (int) arg;
+			unlock_kernel();
 			break;
 		case DSP56K_SET_RX_WSIZE:
 			if (arg > 4 || arg < 1)
 				return -EINVAL;
+			lock_kernel();
 			dsp56k.rx_wsize = (int) arg;
+			unlock_kernel();
 			break;
 		case DSP56K_HOST_FLAGS:
 		{
@@ -359,6 +364,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file,
 			if(get_user(out, &hf->out) < 0)
 				return -EFAULT;
 
+			lock_kernel();
 			if ((dir & 0x1) && (out & 0x1))
 				dsp56k_host_interface.icr |= DSP56K_ICR_HF0;
 			else if (dir & 0x1)
@@ -373,14 +379,16 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file,
 			if (dsp56k_host_interface.icr & DSP56K_ICR_HF1) status |= 0x2;
 			if (dsp56k_host_interface.isr & DSP56K_ISR_HF2) status |= 0x4;
 			if (dsp56k_host_interface.isr & DSP56K_ISR_HF3) status |= 0x8;
-
+			unlock_kernel();
 			return put_user(status, &hf->status);
 		}
 		case DSP56K_HOST_CMD:
 			if (arg > 31 || arg < 0)
 				return -EINVAL;
+			lock_kernel();
 			dsp56k_host_interface.cvr = (u_char)((arg & DSP56K_CVR_HV_MASK) |
 							     DSP56K_CVR_HC);
+			unlock_kernel();
 			break;
 		default:
 			return -EINVAL;
@@ -472,7 +480,7 @@ static const struct file_operations dsp56k_fops = {
 	.owner		= THIS_MODULE,
 	.read		= dsp56k_read,
 	.write		= dsp56k_write,
-	.ioctl		= dsp56k_ioctl,
+	.unlocked_ioctl	= dsp56k_ioctl,
 	.open		= dsp56k_open,
 	.release	= dsp56k_release,
 };
@@ -500,7 +508,8 @@ static int __init dsp56k_init_driver(void)
 		err = PTR_ERR(dsp56k_class);
 		goto out_chrdev;
 	}
-	device_create(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0), "dsp56k");
+	device_create_drvdata(dsp56k_class, NULL, MKDEV(DSP56K_MAJOR, 0),
+			      NULL, "dsp56k");
 
 	printk(banner);
 	goto out;