diff options
| -rw-r--r-- | drivers/tty/goldfish.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index 75dc9d25f326..08167aa093b2 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -29,6 +29,9 @@ enum { GOLDFISH_TTY_DATA_PTR = 0x10, GOLDFISH_TTY_DATA_LEN = 0x14, +#ifdef CONFIG_64BIT + GOLDFISH_TTY_DATA_PTR_HIGH = 0x18, +#endif GOLDFISH_TTY_CMD_INT_DISABLE = 0, GOLDFISH_TTY_CMD_INT_ENABLE = 1, @@ -58,6 +61,9 @@ static void goldfish_tty_do_write(int line, const char *buf, unsigned count) void __iomem *base = qtty->base; spin_lock_irqsave(&qtty->lock, irq_flags); writel((u32)buf, base + GOLDFISH_TTY_DATA_PTR); +#ifdef CONFIG_64BIT + writel((u32)((u64)buf >> 32), base + GOLDFISH_TTY_DATA_PTR_HIGH); +#endif writel(count, base + GOLDFISH_TTY_DATA_LEN); writel(GOLDFISH_TTY_CMD_WRITE_BUFFER, base + GOLDFISH_TTY_CMD); spin_unlock_irqrestore(&qtty->lock, irq_flags); @@ -79,6 +85,9 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id) count = tty_prepare_flip_string(&qtty->port, &buf, count); spin_lock_irqsave(&qtty->lock, irq_flags); writel((u32)buf, base + GOLDFISH_TTY_DATA_PTR); +#ifdef CONFIG_64BIT + writel((u32)((u64)buf >> 32), base + GOLDFISH_TTY_DATA_PTR_HIGH); +#endif writel(count, base + GOLDFISH_TTY_DATA_LEN); writel(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_CMD); spin_unlock_irqrestore(&qtty->lock, irq_flags); |