diff options
| author | Tom Rini | 2014-11-03 12:43:42 -0500 |
|---|---|---|
| committer | Tom Rini | 2014-11-03 12:43:42 -0500 |
| commit | a8b972bfa82c0391aaba809f29e351507fd28215 (patch) | |
| tree | 3d8361220256d45bc0bdc7225f40b225ab6b5e7e /drivers | |
| parent | 130aec779ad9a2e28dc9d42ca5b367b957f311d7 (diff) | |
| parent | d9bc8fd1cb35feb2802ac1d4d39a1deabf0c3d79 (diff) | |
Merge branch 'master' of git://git.denx.de/u-boot-uniphier
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/serial_uniphier.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/serial/serial_uniphier.c b/drivers/serial/serial_uniphier.c index 9114b3ed600..3f3d4152134 100644 --- a/drivers/serial/serial_uniphier.c +++ b/drivers/serial/serial_uniphier.c @@ -55,7 +55,7 @@ struct uniphier_serial_private_data { #define uniphier_serial_port(dev) \ ((struct uniphier_serial_private_data *)dev_get_priv(dev))->membase -int uniphier_serial_setbrg(struct udevice *dev, int baudrate) +static int uniphier_serial_setbrg(struct udevice *dev, int baudrate) { struct uniphier_serial_platform_data *plat = dev_get_platdata(dev); struct uniphier_serial __iomem *port = uniphier_serial_port(dev); @@ -93,7 +93,17 @@ static int uniphier_serial_putc(struct udevice *dev, const char c) return 0; } -int uniphier_serial_probe(struct udevice *dev) +static int uniphier_serial_pending(struct udevice *dev, bool input) +{ + struct uniphier_serial __iomem *port = uniphier_serial_port(dev); + + if (input) + return readb(&port->lsr) & UART_LSR_DR; + else + return !(readb(&port->lsr) & UART_LSR_THRE); +} + +static int uniphier_serial_probe(struct udevice *dev) { struct uniphier_serial_private_data *priv = dev_get_priv(dev); struct uniphier_serial_platform_data *plat = dev_get_platdata(dev); @@ -106,7 +116,7 @@ int uniphier_serial_probe(struct udevice *dev) return 0; } -int uniphier_serial_remove(struct udevice *dev) +static int uniphier_serial_remove(struct udevice *dev) { unmap_sysmem(uniphier_serial_port(dev)); @@ -134,6 +144,7 @@ static const struct dm_serial_ops uniphier_serial_ops = { .setbrg = uniphier_serial_setbrg, .getc = uniphier_serial_getc, .putc = uniphier_serial_putc, + .pending = uniphier_serial_pending, }; U_BOOT_DRIVER(uniphier_serial) = { |