kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

i2c: mxs: correctly setup speed for non devicetree

Browse source 
Commit cd4f2d4 (i2c: mxs: Set I2C timing registers for mxs-i2c) only
covered the case for devicetree and made platform_data based boards
bail out with -EINVAL. Correctly support the latter one, too.

Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Wolfram Sang 2012-09-08 17:28:06 +02:00
parent c076ada4e4
commit 72ee734a67
1 changed files with 6 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/i2c/busses/i2c-mxs.c
View file

@ -365,10 +365,6 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c)
struct device_node *node = dev->of_node;
int ret;
if (!node)
return -EINVAL;
i2c->speed = &mxs_i2c_95kHz_config;
ret = of_property_read_u32(node, "clock-frequency", &speed);
if (ret)
dev_warn(dev, "No I2C speed selected, using 100kHz\n");
@ -419,10 +415,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev)
return err;
i2c->dev = dev;
i2c->speed = &mxs_i2c_95kHz_config;
err = mxs_i2c_get_ofdata(i2c);
if (err)
return err;
if (dev->of_node) {
err = mxs_i2c_get_ofdata(i2c);
if (err)
return err;
}
platform_set_drvdata(pdev, i2c);