[PATCH 10/41] misc: pti, fix tty_port count

From: Jiri Slaby
Date: Tue Aug 07 2012 - 16:02:38 EST


We now have *one* tty_port for both TTYs. How this was supposed to
work? Change it to have a tty_port for each of TTYs.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
Cc: J Freyensee <james_p_freyensee@xxxxxxxxxxxxxxx>
---
drivers/misc/pti.c | 17 ++++++++++-------
1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c
index 90de855..fe76f9d 100644
--- a/drivers/misc/pti.c
+++ b/drivers/misc/pti.c
@@ -60,7 +60,7 @@ struct pti_tty {
};

struct pti_dev {
- struct tty_port port;
+ struct tty_port port[PTITTY_MINOR_NUM];
unsigned long pti_addr;
unsigned long aperture_base;
void __iomem *pti_ioaddr;
@@ -427,7 +427,7 @@ static int pti_tty_driver_open(struct tty_struct *tty, struct file *filp)
* also removes a locking requirement for the actual write
* procedure.
*/
- return tty_port_open(&drv_data->port, tty, filp);
+ return tty_port_open(&drv_data->port[tty->index], tty, filp);
}

/**
@@ -443,7 +443,7 @@ static int pti_tty_driver_open(struct tty_struct *tty, struct file *filp)
*/
static void pti_tty_driver_close(struct tty_struct *tty, struct file *filp)
{
- tty_port_close(&drv_data->port, tty, filp);
+ tty_port_close(&drv_data->port[tty->index], tty, filp);
}

/**
@@ -799,6 +799,7 @@ static const struct tty_port_operations tty_port_ops = {
static int __devinit pti_pci_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
+ unsigned int a;
int retval = -EINVAL;
int pci_bar = 1;

@@ -850,11 +851,13 @@ static int __devinit pti_pci_probe(struct pci_dev *pdev,

pci_set_drvdata(pdev, drv_data);

- tty_port_init(&drv_data->port);
- drv_data->port.ops = &tty_port_ops;
+ for (a = 0; a < PTITTY_MINOR_NUM; a++) {
+ struct tty_port *port = &drv_data->port[a];
+ tty_port_init(port);
+ port->ops = &tty_port_ops;

- tty_register_device(pti_tty_driver, 0, &pdev->dev);
- tty_register_device(pti_tty_driver, 1, &pdev->dev);
+ tty_register_device(pti_tty_driver, a, &pdev->dev);
+ }

register_console(&pti_console);

--
1.7.10.4


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