leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

goldfish: move to tty_port for flip buffers

Browse Source 
Sorry forgot to merge this in the original submission. Resync
with the tty tree changes moving the buffers into the tty_port

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox 2013-01-25 15:05:30 +00:00 committed by Greg Kroah-Hartman
parent eb51d917a7
commit ebcf09816c
1 changed files with 7 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
drivers/tty/goldfish.c
View File

@ -72,23 +72,18 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id)
unsigned long irq_flags;
unsigned char *buf;
u32 count;
struct tty_struct *tty;
count = readl(base + GOLDFISH_TTY_BYTES_READY);
if(count == 0)
return IRQ_NONE;
tty = tty_port_tty_get(&qtty->port);
if (tty) {
count = tty_prepare_flip_string(tty, &buf, count);
spin_lock_irqsave(&qtty->lock, irq_flags);
writel((u32)buf, base + GOLDFISH_TTY_DATA_PTR);
writel(count, base + GOLDFISH_TTY_DATA_LEN);
writel(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_CMD);
spin_unlock_irqrestore(&qtty->lock, irq_flags);
tty_schedule_flip(tty);
tty_kref_put(tty);
}
count = tty_prepare_flip_string(&qtty->port, &buf, count);
spin_lock_irqsave(&qtty->lock, irq_flags);
writel((u32)buf, base + GOLDFISH_TTY_DATA_PTR);
writel(count, base + GOLDFISH_TTY_DATA_LEN);
writel(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_CMD);
spin_unlock_irqrestore(&qtty->lock, irq_flags);
tty_schedule_flip(&qtty->port);
return IRQ_HANDLED;
}