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Date: Sun, 5 May 2019 08:40:14 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Chunfeng Yun <chunfeng.yun@...iatek.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
linux-usb@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [next PATCH] usb: mtu3: fix up undefined reference to
usb_debug_root
On 5/4/19 11:02 PM, Chunfeng Yun wrote:
> When CONFIG_USB is not set, and CONFIG_USB_GADGET is set,
> there is an issue:
>
> ld:
> drivers/usb/mtu3/mtu3_debugfs.o: in function 'ssusb_debugfs_create_root':
> mtu3_debugfs.c:(.text+0xba3): undefined reference to 'usb_debug_root'
>
> usb_debug_root is only built when CONFIG_USB is enabled, so here drop it
> and use NULL instead.
>
> Reported-by: Randy Dunlap <rdunlap@...radead.org>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
Acked-by: Randy Dunlap <rdunlap@...radead.org> # build-tested
Thanks.
> ---
> drivers/usb/mtu3/mtu3_debugfs.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/usb/mtu3/mtu3_debugfs.c b/drivers/usb/mtu3/mtu3_debugfs.c
> index c96e5dab0a48..3ed666f94dd9 100644
> --- a/drivers/usb/mtu3/mtu3_debugfs.c
> +++ b/drivers/usb/mtu3/mtu3_debugfs.c
> @@ -528,8 +528,7 @@ void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb)
>
> void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb)
> {
> - ssusb->dbgfs_root =
> - debugfs_create_dir(dev_name(ssusb->dev), usb_debug_root);
> + ssusb->dbgfs_root = debugfs_create_dir(dev_name(ssusb->dev), NULL);
> }
>
> void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb)
>
--
~Randy
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