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Diffstat (limited to 'arch/blackfin/mach-bf561/coreb.c')
-rw-r--r--arch/blackfin/mach-bf561/coreb.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c
index deb2271d09a..78ecb50bafc 100644
--- a/arch/blackfin/mach-bf561/coreb.c
+++ b/arch/blackfin/mach-bf561/coreb.c
@@ -18,9 +18,9 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
-#define CMD_COREB_START 2
-#define CMD_COREB_STOP 3
-#define CMD_COREB_RESET 4
+#define CMD_COREB_START _IO('b', 0)
+#define CMD_COREB_STOP _IO('b', 1)
+#define CMD_COREB_RESET _IO('b', 2)
static long
coreb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
@@ -29,10 +29,10 @@ coreb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
switch (cmd) {
case CMD_COREB_START:
- bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~0x0020);
+ bfin_write_SYSCR(bfin_read_SYSCR() & ~0x0020);
break;
case CMD_COREB_STOP:
- bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() | 0x0020);
+ bfin_write_SYSCR(bfin_read_SYSCR() | 0x0020);
bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080);
break;
case CMD_COREB_RESET:
@@ -51,6 +51,7 @@ coreb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
static const struct file_operations coreb_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = coreb_ioctl,
+ .llseek = noop_llseek,
};
static struct miscdevice coreb_dev = {
@@ -73,3 +74,4 @@ module_exit(bf561_coreb_exit);
MODULE_AUTHOR("Bas Vermeulen <bvermeul@blackstar.xs4all.nl>");
MODULE_DESCRIPTION("BF561 Core B Support");
+MODULE_LICENSE("GPL");