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linux/drivers/usb/renesas_usbhs
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Yoshihiro Shimoda b8b9c974af usb: renesas_usbhs: gadget: disable all eps when the driver stops 
A gadget driver will not disable eps immediately when ->disconnect()
is called. But, since this driver assumes all eps stop after
the ->disconnect(), unexpected behavior happens (especially in system
suspend).
So, this patch disables all eps in usbhsg_try_stop(). After disabling
eps by renesas_usbhs driver, since some functions will be called by
both a gadget and renesas_usbhs driver, renesas_usbhs driver should
protect uep->pipe. To protect uep->pipe easily, this patch adds a new
lock in struct usbhsg_uep.

Fixes: 2f98382dc ("usb: renesas_usbhs: Add Renesas USBHS Gadget")
Cc: <stable@vger.kernel.org> # v3.0+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-19 10:38:22 +03:00
..
common.c usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL 2017-07-19 10:38:16 +03:00
common.h usb: renesas_usbhs: add support for USB-DMAC 2015-03-13 10:41:19 -05:00
fifo.c usb: renesas_usbhs: cleanup with list_first_entry_or_null() 2016-11-03 10:38:37 +02:00
fifo.h usb: renesas_usbhs: constify usbhs_pkt_handle structures 2016-01-24 19:45:09 -08:00
Kconfig usb: renesas_usbhs: Use ARCH_RENESAS 2016-02-20 20:21:53 -08:00
Makefile usb: renesas_usbhs: add R-Car Gen3 power control 2016-03-04 15:14:28 +02:00
mod_gadget.c usb: renesas_usbhs: gadget: disable all eps when the driver stops 2017-07-19 10:38:22 +03:00
mod_host.c usb: renesas_usbhs: mod_host: fix typo: "connecte" -> "connected" 2017-01-24 11:04:08 +02:00
mod.c usb: renesas_usbhs: fix clearing the {BRDY,BEMP}STS condition 2016-09-05 13:39:23 +03:00
mod.h renesas_usbhs: cleanup quoted includes 2012-06-05 10:15:25 +02:00
pipe.c usb: renesas_usbhs: pipe: don't print on ENOMEM 2016-08-30 19:17:39 +02:00
pipe.h usb: renesas_usbhs: change arguments of dma_map_ctrl() 2016-04-19 11:11:54 +03:00
rcar2.c usb: renesas_usbhs: Remove unneeded #include <linux/platform_data/gpio-rcar.h> 2015-10-20 16:03:36 +02:00
rcar2.h usb: renesas_usbhs: add R-Car Gen. 2 init and power control 2014-07-16 10:06:32 -05:00
rcar3.c usb: renesas_usbhs: add wait after initialization for R-Car Gen3 2016-10-24 14:35:46 +02:00
rcar3.h usb: renesas_usbhs: add R-Car Gen3 power control 2016-03-04 15:14:28 +02:00