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path: root/drivers/tty/goldfish.c
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Diffstat (limited to 'drivers/tty/goldfish.c')
-rw-r--r--drivers/tty/goldfish.c23
1 files changed, 8 insertions, 15 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c
index 4591f940b7..d27979eabf 100644
--- a/drivers/tty/goldfish.c
+++ b/drivers/tty/goldfish.c
@@ -50,10 +50,8 @@ static u32 goldfish_tty_line_count = 8;
static u32 goldfish_tty_current_line_count;
static struct goldfish_tty *goldfish_ttys;
-static void do_rw_io(struct goldfish_tty *qtty,
- unsigned long address,
- unsigned int count,
- int is_write)
+static void do_rw_io(struct goldfish_tty *qtty, unsigned long address,
+ size_t count, bool is_write)
{
unsigned long irq_flags;
void __iomem *base = qtty->base;
@@ -73,10 +71,8 @@ static void do_rw_io(struct goldfish_tty *qtty,
spin_unlock_irqrestore(&qtty->lock, irq_flags);
}
-static void goldfish_tty_rw(struct goldfish_tty *qtty,
- unsigned long addr,
- unsigned int count,
- int is_write)
+static void goldfish_tty_rw(struct goldfish_tty *qtty, unsigned long addr,
+ size_t count, bool is_write)
{
dma_addr_t dma_handle;
enum dma_data_direction dma_dir;
@@ -125,20 +121,18 @@ static void goldfish_tty_rw(struct goldfish_tty *qtty,
}
}
-static void goldfish_tty_do_write(int line, const u8 *buf, unsigned int count)
+static void goldfish_tty_do_write(int line, const u8 *buf, size_t count)
{
struct goldfish_tty *qtty = &goldfish_ttys[line];
- unsigned long address = (unsigned long)(void *)buf;
- goldfish_tty_rw(qtty, address, count, 1);
+ goldfish_tty_rw(qtty, (unsigned long)buf, count, true);
}
static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id)
{
struct goldfish_tty *qtty = dev_id;
void __iomem *base = qtty->base;
- unsigned long address;
- unsigned char *buf;
+ u8 *buf;
u32 count;
count = gf_ioread32(base + GOLDFISH_TTY_REG_BYTES_READY);
@@ -147,8 +141,7 @@ static irqreturn_t goldfish_tty_interrupt(int irq, void *dev_id)
count = tty_prepare_flip_string(&qtty->port, &buf, count);
- address = (unsigned long)(void *)buf;
- goldfish_tty_rw(qtty, address, count, 0);
+ goldfish_tty_rw(qtty, (unsigned long)buf, count, false);
tty_flip_buffer_push(&qtty->port);
return IRQ_HANDLED;