Re: [PATCH 2/2] drivers/tty: pl011: read fifo size from OF if present
From: Mark Rutland <hidden>
Date: 2015-02-18 19:08:34
Also in:
linux-arm-kernel
On Wed, Feb 18, 2015 at 06:53:13PM +0000, Jorge Ramirez-Ortiz wrote:
quoted hunk
Signed-off-by: Jorge Ramirez-Ortiz <redacted> --- drivers/tty/serial/amba-pl011.c | 6 ++++++ 1 file changed, 6 insertions(+)diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 02016fc..23fef63 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c@@ -84,6 +84,12 @@ struct vendor_data { static unsigned int get_fifosize_arm(struct amba_device *dev) { + const void *prop; + + prop = of_get_property(dev->dev.of_node, "fifo-size", NULL); + if (prop) + return of_read_ulong(prop, 1);
Use of_property_read_u32. You will need to sanity check the result, also. What value do you need for your platform? Mark.
+ return amba_rev(dev) < 3 ? 16 : 32; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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