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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2014-07-09 15:30:13 +0400
committerFelipe Balbi <balbi@ti.com>2014-07-10 17:36:49 +0400
commitdfb87b8bfe09f933abaf387693992089f6f9053e (patch)
tree7fb2238883460948a193c33f7cbe1d672fa0f6ed /net/ax25
parent6a0541599f54b556442d6130e4f9faaad91bf3a2 (diff)
downloadlinux-dfb87b8bfe09f933abaf387693992089f6f9053e.tar.xz
usb: renesas_usbhs: gadget: fix re-enabling pipe without re-connecting
This patch fixes an issue that the renesas_usbhs driver in gadget mode cannot work correctly even if I disabled DMAC of the driver when I used the g_zero driver and the testusb tool. When a usb cable is re-connected, the renesas_usbhs driver calls the usbhsp_flags_init() (via usbhs_hotplug() --> usbhs_mod_call(start) --> usbhsg_try_start() --> usbhs_pipe_init()). However, the driver doesn't call the usbhsp_flags_init() when usbhsg_ep_disable() is called. So, if a gadget driver calls usb_ep_enable() and usb_ep_disable() again and again, the renesas_usbhs driver will output the following log: renesas_usbhs renesas_usbhs: can't get pipe (BULK) renesas_usbhs renesas_usbhs: wrong recip request Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'net/ax25')
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