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| author | Li Yang <leoli@freescale.com> | 2011-11-23 20:12:56 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-29 23:19:04 +0900 |
| commit | 6414e94c203d92b163ca61b5f51a25b80a621dbe (patch) | |
| tree | 3fa3023953222644161601500170687399d75369 /drivers/usb/gadget/fsl_usb2_udc.h | |
| parent | 5ce1d0eb1cd1071347618d0a95515f300239d201 (diff) | |
| download | kernel_samsung_smdk4412-6414e94c203d92b163ca61b5f51a25b80a621dbe.zip kernel_samsung_smdk4412-6414e94c203d92b163ca61b5f51a25b80a621dbe.tar.gz kernel_samsung_smdk4412-6414e94c203d92b163ca61b5f51a25b80a621dbe.tar.bz2 | |
usb: gadget: fsl_udc: fix dequeuing a request in progress
The original implementation of dequeuing a request in progress
is not correct. Change to use a correct process and also clean
up the related functions a little bit.
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/fsl_usb2_udc.h')
| -rw-r--r-- | drivers/usb/gadget/fsl_usb2_udc.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index 1d51be8..f781f5d 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -569,6 +569,16 @@ static void dump_msg(const char *label, const u8 * buf, unsigned int length) * 2 + ((windex & USB_DIR_IN) ? 1 : 0)) #define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP)) +static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) +{ + /* we only have one ep0 structure but two queue heads */ + if (ep_index(ep) != 0) + return ep->qh; + else + return &ep->udc->ep_qh[(ep->udc->ep0_dir == + USB_DIR_IN) ? 1 : 0]; +} + struct platform_device; #ifdef CONFIG_ARCH_MXC int fsl_udc_clk_init(struct platform_device *pdev); |