goldfish: clean up tty 64bit support
authorAlan <alan@acox1-desk.ger.corp.intel.com>
Mon, 12 May 2014 15:57:05 +0000 (16:57 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 15 May 2014 20:20:42 +0000 (13:20 -0700)
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>
drivers/tty/goldfish.c

index 08167aa093b252f518dca815f4fa8728a791b717..7eaafe3c80dcacff601db546882c4806091c9df4 100644 (file)
@@ -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);
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