usb: renesas_usbhs: fixes this driver in gadget mode

If we tested this driver as gadget and g_ncm driver using iperf, some issues below happened:
- Oops happened.
- A transaction didn't finish in PIO mode.
- A transaction didn't finish in DMA mode if the "zero" flag is set.
- The driver didn't cancel a transaction if dequeue() is called.

This patch series fixes them. If possible, they would like to be merged to v3.17.
This patch series is based on Greg's usb.git / usb-linus branch. (commit id: 6835a3a02b1ae222cbfb167a7e2d5e8df5e9854e)

Yoshihiro Shimoda (4):
usb: renesas_usbhs: fix the behavior of some usbhs_pkt_handle
usb: renesas_usbhs: protect mod->irq_{bemp,brdy}sts by spin lock
usb: renesas_usbhs: fix the condition of is_done in
usbhsf_dma_push_done
usb: renesas_usbhs: fix the usb_pkt_pop()

 drivers/usb/renesas_usbhs/fifo.c |   72 ++++++++++++++++++++++++++++++++++----
 drivers/usb/renesas_usbhs/mod.c  |    5 +++
 drivers/usb/renesas_usbhs/pipe.c |   13 +++++++
 drivers/usb/renesas_usbhs/pipe.h |    4 +++
 4 files changed, 88 insertions(+), 6 deletions(-)

1.7.9.5

If we tested this driver as gadget, some issues below happened:
- Oops happened if g_audio.
- A usb enumeration may fail if we do insmod during connected the usb cable.
- A transaction will not finish if g_zero.
- A usb enumeration may fail after we re-connected the usb cable.

This patch serias fixes them.
This patch serias is based on Felipe's usb.git, testing/fixes branch. (commit id: 0b93a4c838fa10370d72f86fe712426ac63804de)

Yoshihiro Shimoda (4):
usb: renesas_usbhs: gadget: fix NULL pointer dereference in
ep_disable()
usb: renesas_usbhs: gadget: fix the behavior of pullup
usb: renesas_usbhs: fix the timing of dcp_control_transfer_done
usb: renesas_usbhs: fix usbhs_pipe_clear() for DCP PIPE

 drivers/usb/renesas_usbhs/common.c     |    6 ++++--
 drivers/usb/renesas_usbhs/fifo.c       |   34 ++++++++++++++++---------------
 drivers/usb/renesas_usbhs/fifo.h       |    1 +
 drivers/usb/renesas_usbhs/mod_gadget.c |   35 ++++++++++++++++++++++++++++++--
 drivers/usb/renesas_usbhs/mod_host.c   |    2 +-
 drivers/usb/renesas_usbhs/pipe.c       |    8 ++++++--
 6 files changed, 63 insertions(+), 23 deletions(-)

1.7.9.5

Can you start sending your patches as a thread ? It makes it easier to find them. If you're already formatting patches to a directory, then all you have to git send-email the difectory, instead of all files in that.

e.g.:

	$ git format-patch -o patches --cover-letter -4
	$ vim patches/0000-cover-letter*
	$ git send-email --to [email protected] --cc [email protected] \
		patches

With that said, do we need these patches in v3.17 final ? or only v3.18? It's getting pretty late for v3.17-final...

balbi

Hi Felipe,

Thank you for the comment. Yes, I will try this command from next time.

I understand it's getting pretty late for v3.17-final. So, I will send these patches for v3.18.

Best regards,
Yoshihiro Shimoda