diff options
-rw-r--r-- | drivers/usb/serial/mos7720.c | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c index bdce820..178b766 100644 --- a/drivers/usb/serial/mos7720.c +++ b/drivers/usb/serial/mos7720.c @@ -257,7 +257,6 @@ static void destroy_mos_parport(struct kref *kref) struct mos7715_parport *mos_parport = container_of(kref, struct mos7715_parport, ref_count); - dbg("%s called", __func__); kfree(mos_parport); } @@ -266,7 +265,7 @@ static void destroy_urbtracker(struct kref *kref) struct urbtracker *urbtrack = container_of(kref, struct urbtracker, ref_count); struct mos7715_parport *mos_parport = urbtrack->mos_parport; - dbg("%s called", __func__); + usb_free_urb(urbtrack->urb); kfree(urbtrack); kref_put(&mos_parport->ref_count, destroy_mos_parport); @@ -285,8 +284,6 @@ static void send_deferred_urbs(unsigned long _mos_parport) struct urbtracker *urbtrack; struct list_head *cursor, *next; - dbg("%s called", __func__); - /* if release function ran, game over */ if (unlikely(mos_parport->serial == NULL)) return; @@ -335,7 +332,7 @@ static void async_complete(struct urb *urb) { struct urbtracker *urbtrack = urb->context; int status = urb->status; - dbg("%s called", __func__); + if (unlikely(status)) dbg("%s - nonzero urb status received: %d", __func__, status); @@ -355,7 +352,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport, struct usb_ctrlrequest setup; struct usb_serial *serial = mos_parport->serial; struct usb_device *usbdev = serial->dev; - dbg("%s called", __func__); /* create and initialize the control urb and containing urbtracker */ urbtrack = kmalloc(sizeof(struct urbtracker), GFP_ATOMIC); @@ -476,7 +472,7 @@ static inline void parport_epilogue(struct parport *pp) static void parport_mos7715_write_data(struct parport *pp, unsigned char d) { struct mos7715_parport *mos_parport = pp->private_data; - dbg("%s called: %2.2x", __func__, d); + if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, SPP); @@ -488,7 +484,7 @@ static unsigned char parport_mos7715_read_data(struct parport *pp) { struct mos7715_parport *mos_parport = pp->private_data; unsigned char d; - dbg("%s called", __func__); + if (parport_prologue(pp) < 0) return 0; read_mos_reg(mos_parport->serial, dummy, DPR, &d); @@ -500,7 +496,7 @@ static void parport_mos7715_write_control(struct parport *pp, unsigned char d) { struct mos7715_parport *mos_parport = pp->private_data; __u8 data; - dbg("%s called: %2.2x", __func__, d); + if (parport_prologue(pp) < 0) return; data = ((__u8)d & 0x0f) | (mos_parport->shadowDCR & 0xf0); @@ -513,7 +509,7 @@ static unsigned char parport_mos7715_read_control(struct parport *pp) { struct mos7715_parport *mos_parport = pp->private_data; __u8 dcr; - dbg("%s called", __func__); + spin_lock(&release_lock); mos_parport = pp->private_data; if (unlikely(mos_parport == NULL)) { @@ -531,7 +527,7 @@ static unsigned char parport_mos7715_frob_control(struct parport *pp, { struct mos7715_parport *mos_parport = pp->private_data; __u8 dcr; - dbg("%s called", __func__); + mask &= 0x0f; val &= 0x0f; if (parport_prologue(pp) < 0) @@ -547,7 +543,7 @@ static unsigned char parport_mos7715_read_status(struct parport *pp) { unsigned char status; struct mos7715_parport *mos_parport = pp->private_data; - dbg("%s called", __func__); + spin_lock(&release_lock); mos_parport = pp->private_data; if (unlikely(mos_parport == NULL)) { /* release called */ @@ -561,17 +557,16 @@ static unsigned char parport_mos7715_read_status(struct parport *pp) static void parport_mos7715_enable_irq(struct parport *pp) { - dbg("%s called", __func__); } + static void parport_mos7715_disable_irq(struct parport *pp) { - dbg("%s called", __func__); } static void parport_mos7715_data_forward(struct parport *pp) { struct mos7715_parport *mos_parport = pp->private_data; - dbg("%s called", __func__); + if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, PS2); @@ -583,7 +578,7 @@ static void parport_mos7715_data_forward(struct parport *pp) static void parport_mos7715_data_reverse(struct parport *pp) { struct mos7715_parport *mos_parport = pp->private_data; - dbg("%s called", __func__); + if (parport_prologue(pp) < 0) return; mos7715_change_mode(mos_parport, PS2); @@ -595,7 +590,6 @@ static void parport_mos7715_data_reverse(struct parport *pp) static void parport_mos7715_init_state(struct pardevice *dev, struct parport_state *s) { - dbg("%s called", __func__); s->u.pc.ctr = DCR_INIT_VAL; s->u.pc.ecr = ECR_INIT_VAL; } @@ -605,7 +599,7 @@ static void parport_mos7715_save_state(struct parport *pp, struct parport_state *s) { struct mos7715_parport *mos_parport; - dbg("%s called", __func__); + spin_lock(&release_lock); mos_parport = pp->private_data; if (unlikely(mos_parport == NULL)) { /* release called */ @@ -622,7 +616,7 @@ static void parport_mos7715_restore_state(struct parport *pp, struct parport_state *s) { struct mos7715_parport *mos_parport; - dbg("%s called", __func__); + spin_lock(&release_lock); mos_parport = pp->private_data; if (unlikely(mos_parport == NULL)) { /* release called */ @@ -641,7 +635,7 @@ static size_t parport_mos7715_write_compat(struct parport *pp, int retval; struct mos7715_parport *mos_parport = pp->private_data; int actual_len; - dbg("%s called: %u chars", __func__, (unsigned int)len); + if (parport_prologue(pp) < 0) return 0; mos7715_change_mode(mos_parport, PPF); |