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author | Alan <alan@acox1-desk.ger.corp.intel.com> | 2014-05-12 16:57:05 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-05-15 13:20:42 -0700 |
commit | e0f682e05f51c9eff68e61ce2350155895cd739e (patch) | |
tree | 5a22daa4832243fb35dbdab60aa78ccf4f21476f /drivers/tty/goldfish.c | |
parent | f6279717bbb20bf90ec414af17d2a31d843f5eb5 (diff) | |
download | op-kernel-dev-e0f682e05f51c9eff68e61ce2350155895cd739e.zip op-kernel-dev-e0f682e05f51c9eff68e61ce2350155895cd739e.tar.gz |
goldfish: clean up tty 64bit support
Use the helper we now have available.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/goldfish.c')
-rw-r--r-- | drivers/tty/goldfish.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index 08167aa..7eaafe3 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -21,6 +21,7 @@ #include <linux/slab.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/goldfish.h> enum { GOLDFISH_TTY_PUT_CHAR = 0x00, @@ -29,9 +30,7 @@ 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, @@ -60,10 +59,8 @@ static void goldfish_tty_do_write(int line, const char *buf, unsigned count) struct goldfish_tty *qtty = &goldfish_ttys[line]; 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 + gf_write64((u64)buf, base + GOLDFISH_TTY_DATA_PTR, + base + GOLDFISH_TTY_DATA_PTR_HIGH); writel(count, base + GOLDFISH_TTY_DATA_LEN); writel(GOLDFISH_TTY_CMD_WRITE_BUFFER, base + GOLDFISH_TTY_CMD); spin_unlock_irqrestore(&qtty->lock, irq_flags); @@ -84,10 +81,8 @@ 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 + gf_write64((u64)buf, base + GOLDFISH_TTY_DATA_PTR, + base + GOLDFISH_TTY_DATA_PTR_HIGH); writel(count, base + GOLDFISH_TTY_DATA_LEN); writel(GOLDFISH_TTY_CMD_READ_BUFFER, base + GOLDFISH_TTY_CMD); spin_unlock_irqrestore(&qtty->lock, irq_flags); |