diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2016-05-05 16:45:20 -0700 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2016-06-22 14:36:39 +0200 |
| commit | c30a33976d7f01dc86d920774d6d6315e77ff7cd (patch) | |
| tree | c5a30c27fe667461800f8d620d32ee587df35013 | |
| parent | bb1835aed9f24b6edbc9d04980e2b27578c6129e (diff) | |
usb: ehci-mx7: allow board_ehci_hcd_init to fail
There could be runtime determined board specific reason why a EHCI
initialization fails (e.g. ENODEV if a Port is not available). In
this case, properly return the error code.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
| -rw-r--r-- | drivers/usb/host/ehci-mx7.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-mx7.c b/drivers/usb/host/ehci-mx7.c index 7429d62adc..baab306481 100644 --- a/drivers/usb/host/ehci-mx7.c +++ b/drivers/usb/host/ehci-mx7.c @@ -70,6 +70,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, { struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR + (0x10000 * index)); + int rc; if (index > 3) return -EINVAL; @@ -77,7 +78,9 @@ int ehci_hcd_init(int index, enum usb_init_type init, mdelay(1); /* Do board specific initialization */ - board_ehci_hcd_init(index); + rc = board_ehci_hcd_init(index); + if (rc) + return rc; usb_oc_config(index); |