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| author | Tejas Joglekar <tejas.joglekar@synopsys.com> | 2019-01-22 08:56:51 +0100 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2019-01-28 14:27:07 +0100 |
| commit | 1e19cdc8060227b0802bda6bc0bd22b23679ba32 (patch) | |
| tree | d8f38b00ff465d8a098f147a7950ddcec1251749 /drivers/usb/gadget | |
| parent | Linux 5.0-rc4 (diff) | |
| download | linux-1e19cdc8060227b0802bda6bc0bd22b23679ba32.tar.xz linux-1e19cdc8060227b0802bda6bc0bd22b23679ba32.zip | |
usb: dwc3: gadget: Handle 0 xfer length for OUT EP
For OUT endpoints, zero-length transfers require MaxPacketSize buffer as
per the DWC_usb3 programming guide 3.30a section 4.2.3.3.
This patch fixes this by explicitly checking zero length
transfer to correctly pad up to MaxPacketSize.
Fixes: c6267a51639b ("usb: dwc3: gadget: align transfers to wMaxPacketSize")
Cc: stable@vger.kernel.org
Signed-off-by: Tejas Joglekar <joglekar@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/gadget')
0 files changed, 0 insertions, 0 deletions