diff options
Diffstat (limited to 'driver/fopdrv.c')
| -rw-r--r-- | driver/fopdrv.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/driver/fopdrv.c b/driver/fopdrv.c index 18a1d35..87aa30e 100644 --- a/driver/fopdrv.c +++ b/driver/fopdrv.c @@ -7,8 +7,6 @@ bool printed = false; // driver/char/mem.c read_null (/dev/null) ssize_t fop_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - printk("%s(<file>, <buf>, %u, <ppos>)\n", __PRETTY_FUNCTION__, count); - if (count < 2) return 0; if (printed) return 0; @@ -29,8 +27,6 @@ ssize_t fop_read(struct file *file, char __user *buf, size_t count, loff_t *ppos } ssize_t fop_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - printk("%s(<file>, <buf>, %u, <ppos>)\n", __PRETTY_FUNCTION__, count); - // only allow single character as input if (count < 1) return count; if (count > 2) return count; @@ -44,11 +40,11 @@ ssize_t fop_write(struct file *file, const char __user *buf, size_t count, loff_ barrier(); if (input_buf[0] == '0') { - printk("TODO: TURN OFF OUTPUT\n"); + printk(DRV_NAME": OUTPUT OFF\n"); iowrite32((1<<PIN), gpio1 + GPIO_CLEARDATAOUT); wmb(); } if (input_buf[0] == '1') { - printk("TODO: TURN ON OUTPUT\n"); + printk(DRV_NAME": OUTPUT ON\n"); iowrite32((1<<PIN), gpio1 + GPIO_SETDATAOUT); wmb(); } @@ -58,7 +54,6 @@ ssize_t fop_write(struct file *file, const char __user *buf, size_t count, loff_ } int fop_open(struct inode * inode, struct file * file) { - printk("%s(<inode>, <file>)\n", __PRETTY_FUNCTION__); printed = false; return 0; // 0 seems to be a safe return value as it's used in driver/char/mem.c. The @@ -68,7 +63,6 @@ int fop_open(struct inode * inode, struct file * file) { } int fop_release(struct inode * inode, struct file * file) { - printk("%s(<inode>, <file>)\n", __PRETTY_FUNCTION__); return 0; // same as above, but found in driver/char/lp.c } |