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usb: host: ehci-xilinx: adding description for return value

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This patch resolves kernel-doc warnings to add return value description
in function comments.

Addressed warnings:

drivers/usb/host/ehci-xilinx-of.c:37: warning: No description found for return value of 'ehci_xilinx_port_handed_over'
drivers/usb/host/ehci-xilinx-of.c:117: warning: No description found for return value of 'ehci_hcd_xilinx_of_probe'
drivers/usb/host/ehci-xilinx-of.c:201: warning: No description found for return value of 'ehci_hcd_xilinx_of_remove'

Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com>
Link: https://lore.kernel.org/r/20220509170252.28271-1-piyush.mehta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Piyush Mehta 2022-05-09 22:32:52 +05:30 committed by Greg Kroah-Hartman
parent b4b44897ad
commit 72e28b7049
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/host/ehci-xilinx-of.c
View file

@ -32,6 +32,8 @@
* There are cases when the host controller fails to enable the port due to,
* for example, insufficient power that can be supplied to the device from
* the USB bus. In those cases, the messages printed here are not helpful.
*
* Return: Always return 0
*/
static int ehci_xilinx_port_handed_over(struct usb_hcd *hcd, int portnum)
{
@ -110,6 +112,8 @@ static const struct hc_driver ehci_xilinx_of_hc_driver = {
* host controller. Because the Xilinx USB host controller can be configured
* as HS only or HS/FS only, it checks the configuration in the device tree
* entry, and sets an appropriate value for hcd->has_tt.
*
* Return: zero on success, negative error code otherwise
*/
static int ehci_hcd_xilinx_of_probe(struct platform_device *op)
{
@ -194,6 +198,8 @@ static int ehci_hcd_xilinx_of_probe(struct platform_device *op)
*
* Remove the hcd structure, and release resources that has been requested
* during probe.
*
* Return: Always return 0
*/
static int ehci_hcd_xilinx_of_remove(struct platform_device *op)
{