The patch titled
radeonfb: speed up the I2C buses
has been added to the -mm tree. Its filename is
radeonfb-speed-up-the-i2c-buses.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
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The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: radeonfb: speed up the I2C buses
From: Jean Delvare <khali@xxxxxxxxxxxx>
There is no reason to drive the radeon I2C buses at such a low speed, so bump
it from 12.5 kbps to 50 kbps. The Intel (i810) and Matrox framebuffer drivers
already run their I2C bus at this speed.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/aty/radeon_i2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/video/aty/radeon_i2c.c~radeonfb-speed-up-the-i2c-buses drivers/video/aty/radeon_i2c.c
--- a/drivers/video/aty/radeon_i2c.c~radeonfb-speed-up-the-i2c-buses
+++ a/drivers/video/aty/radeon_i2c.c
@@ -78,7 +78,7 @@ static int radeon_setup_i2c_bus(struct r
chan->algo.setscl = radeon_gpio_setscl;
chan->algo.getsda = radeon_gpio_getsda;
chan->algo.getscl = radeon_gpio_getscl;
- chan->algo.udelay = 40;
+ chan->algo.udelay = 10;
chan->algo.timeout = 20;
chan->algo.data = chan;
_
Patches currently in -mm which might be from khali@xxxxxxxxxxxx are
mm-only-enforce-acpi-resource-conflict-checks.patch
oz99x-i2c-button-and-led-support-driver.patch
git-hwmon.patch
git-hid.patch
dmi-clean-up-dmi-helper-declarations.patch
radeonfb-fix-debug-option.patch
radeonfb-drop-redundant-rtrace-macro.patch
radeonfb-speed-up-the-i2c-buses.patch
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