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path: root/drivers/usb/serial/mos7720.c
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Diffstat (limited to 'drivers/usb/serial/mos7720.c')
-rw-r--r--drivers/usb/serial/mos7720.c49
1 files changed, 18 insertions, 31 deletions
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index bdce82034122..a07dd3c8cfef 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -79,12 +79,12 @@ static struct usb_serial_driver moschip7720_2port_driver;
#define MOSCHIP_DEVICE_ID_7720 0x7720
#define MOSCHIP_DEVICE_ID_7715 0x7715
-static const struct usb_device_id moschip_port_id_table[] = {
+static const struct usb_device_id id_table[] = {
{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7720) },
{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7715) },
{ } /* terminating entry */
};
-MODULE_DEVICE_TABLE(usb, moschip_port_id_table);
+MODULE_DEVICE_TABLE(usb, id_table);
#ifdef CONFIG_USB_SERIAL_MOS7715_PARPORT
@@ -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);
@@ -2164,20 +2158,13 @@ static void mos7720_release(struct usb_serial *serial)
kfree(usb_get_serial_port_data(serial->port[i]));
}
-static struct usb_driver usb_driver = {
- .name = "moschip7720",
- .probe = usb_serial_probe,
- .disconnect = usb_serial_disconnect,
- .id_table = moschip_port_id_table,
-};
-
static struct usb_serial_driver moschip7720_2port_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "moschip7720",
},
.description = "Moschip 2 port adapter",
- .id_table = moschip_port_id_table,
+ .id_table = id_table,
.calc_num_ports = mos77xx_calc_num_ports,
.open = mos7720_open,
.close = mos7720_close,
@@ -2203,7 +2190,7 @@ static struct usb_serial_driver * const serial_drivers[] = {
&moschip7720_2port_driver, NULL
};
-module_usb_serial_driver(usb_driver, serial_drivers);
+module_usb_serial_driver(serial_drivers, id_table);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 01:28:05 +0000