From: Ming Lei <ming.lei@xxxxxxxxxxxxx> Date: Mon, 29 Oct 2012 15:45:05 +0800 > Thip patchset avoids accessing auto-suspended device in ioctl path, > which is generally triggered by some network utility(ethtool, ifconfig, > ...) > > Most of network devices have the problem, but as discussed in the > thread: > > http://marc.info/?t=135054860600003&r=1&w=2 > > the problem should be solved inside driver. > > Considered that only smsc75xx and smsc95xx calls usbnet_read_cmd() > and usbnet_write_cmd() inside its resume and suspend callback, the > patcheset introduce the nopm version of the two functions which > should be called only in the resume and suspend callback. So we > can solve the problem by runtime resuming device before doing > control message things. > > The patchset is against 3.7.0-rc3-next-20121029, and has been tested > OK on smsc95xx usbnet device. This series doesn't apply against net-next, as there have been changes to the smsc drivers meanwhile. You'll need to respin this series against net-next. -- 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
