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| author |   Mans Rullgard <mans@mansr.com> | 2015-03-08 14:30:05 +0000 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-26 22:50:33 +0100 |
| commit | 0787691230d88af8cdfc6d4085957bbf7cec1e5d (patch) | |
| tree | 805ffa5b96b791f9abd055f9dc9add186ced2f06 /drivers/tty | |
| parent | serial: 8250: allow specifying iomem size in addition to address (diff) | |
| download | linux-dev-0787691230d88af8cdfc6d4085957bbf7cec1e5d.tar.xz linux-dev-0787691230d88af8cdfc6d4085957bbf7cec1e5d.zip | |
serial: of: set port iomem size from devicetree
Make the 8250 driver reserve exactly the mmio region specified
in the devicetree. This prevents conflicts between UPIO_AU type
UARTs and other devices mapped closer than the default size of
0x1000 (or 0x100 for RT2880).
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/of_serial.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index d8c4eea23b7c..aa00154c4a6d 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -89,6 +89,7 @@ static int of_platform_serial_setup(struct platform_device *ofdev, spin_lock_init(&port->lock); port->mapbase = resource.start; + port->mapsize = resource_size(&resource); /* Check for shifted address mapping */ if (of_property_read_u32(np, "reg-offset", &prop) == 0) |