On 08/04/2014 05:07 PM, Alan Stern wrote: > On Mon, 4 Aug 2014, Roger Quadros wrote: > >> If user specifies that USB autosuspend must be disabled by module >> parameter "usbcore.autosuspend=-1" then we must prevent >> autosuspend of USB hub devices as well. >> >> commit 596d789a211d introduced in v3.8 changed the original behaivour >> and stopped respecting the usbcore.autosuspend parameter for hubs. >> >> Fixes: 596d789a211d "USB: set hub's default autosuspend delay as 0" >> >> Cc: [3.8+] <stable@xxxxxxxxxxxxxxx> >> Signed-off-by: Roger Quadros <rogerq@xxxxxx> > > Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> > Just noticed the below error by the Intel's build script > tree: git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-linus > head: 039368901ad0a6476c7ecf0cfe4f84d735e30135 > commit: bdd405d2a5287bdb9b04670ea255e1f122138e66 [19/20] usb: hub: Prevent hub autosuspend if usbcore.autosuspend is -1 > config: make ARCH=sparc64 defconfig > > All error/warnings: > > drivers/usb/core/hub.c: In function 'hub_probe': >>> drivers/usb/core/hub.c:1735:21: error: 'struct dev_pm_info' has no member named 'autosuspend_delay' > if (hdev->dev.power.autosuspend_delay >= 0) > ^ Seems like the "if" has to be placed within a #ifdef CONFIG_PM_RUNTIME. Greg, Should I send a v2 of this patch or a fix on top of your usb-linus branch? cheers, -roger -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
