From: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Date: Tue, 26 May 2015 11:13:42 +0000 (+0900)
Subject: usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~90^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5e582ff309288898be3744f093ce2d726f4747fe;p=pandora-kernel.git

usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop

This patch fixes an issue for control write. When usbhsf_prepare_pop()
is called after this driver called a gadget setup function, this controller
doesn't receive the control write data. So, this patch adds a code to clear
the fifo for control write in usbhsf_prepare_pop().

Signed-off-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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