hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

USB: musb: fix put_device() call sequence 

Invoke put_device(musb->xceiv->dev) before musb_platform_exit()as
xceiv is getting unregistered in musb_platform_exit().

Fixes put_device() panic when module insert/removal is performed
multiple times.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Ajay Kumar Gupta 2009-08-03 11:43:40 +05:30 committed by Greg Kroah-Hartman
parent db8be50c43
commit c740d0d80d
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/usb/musb/musb_core.c
View File

@ -1850,6 +1850,10 @@ static void musb_free(struct musb *musb)
dma_controller_destroy(c);
}
#ifdef CONFIG_USB_MUSB_OTG
put_device(musb->xceiv->dev);
#endif
musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
musb_platform_exit(musb);
musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
@ -1859,10 +1863,6 @@ static void musb_free(struct musb *musb)
clk_put(musb->clock);
}
#ifdef CONFIG_USB_MUSB_OTG
put_device(musb->xceiv->dev);
#endif
#ifdef CONFIG_USB_MUSB_HDRC_HCD
usb_put_hcd(musb_to_hcd(musb));
#else