diff options
| author | Markus Pargmann <mpa@pengutronix.de> | 2014-07-22 10:09:43 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-22 16:31:36 -0700 |
| commit | 16853d7bcb6dd5806534c63051580472b4aa4560 (patch) | |
| tree | ab706db641808da3a87db9a3e1f708f78c20d09f /drivers/usb | |
| parent | 9672f0feb566423deb245032a1c9a7a14dacb6eb (diff) | |
| download | linux-16853d7bcb6dd5806534c63051580472b4aa4560.tar.bz2 | |
usb: ci_hdrc_imx: Return -EINVAL for missing USB PHY
-ENODEV is interpreted by the generic driver probing function as a
non-matching driver. This leads to a missing probe failure message.
Also a missing USB PHY is more of an invalid configuration of the usb
driver because it is necessary.
This patch returns -EINVAL if devm_usb_get_phy_by_phandle() returned -ENODEV.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_imx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c index 2e58f8dfd311..65444b02bd68 100644 --- a/drivers/usb/chipidea/ci_hdrc_imx.c +++ b/drivers/usb/chipidea/ci_hdrc_imx.c @@ -133,6 +133,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev) data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0); if (IS_ERR(data->phy)) { ret = PTR_ERR(data->phy); + /* Return -EINVAL if no usbphy is available */ + if (ret == -ENODEV) + ret = -EINVAL; goto err_clk; } |