diff options
| author | Takashi Iwai <tiwai@suse.de> | 2012-01-31 15:13:14 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-01-31 15:13:14 +0100 |
| commit | ea51e5040e24eefe44d70bc654a237ca1f0225b0 (patch) | |
| tree | df2e5922dcdfafae62a10d8cd97f98121064fc23 /drivers/usb/renesas_usbhs/pipe.c | |
| parent | 3422a47041b8cb8f14ac1e3926bcf711121df6dc (diff) | |
| parent | 8dbd52daee38adaae4d5a674bcca837e694a4f4c (diff) | |
Merge branch 'fix/asoc' into for-linus
Diffstat (limited to 'drivers/usb/renesas_usbhs/pipe.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/pipe.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c index c74389ce2177..feb06d6d2814 100644 --- a/drivers/usb/renesas_usbhs/pipe.c +++ b/drivers/usb/renesas_usbhs/pipe.c @@ -257,6 +257,13 @@ void usbhs_pipe_stall(struct usbhs_pipe *pipe) } } +int usbhs_pipe_is_stall(struct usbhs_pipe *pipe) +{ + u16 pid = usbhsp_pipectrl_get(pipe) & PID_MASK; + + return (int)(pid == PID_STALL10 || pid == PID_STALL11); +} + /* * pipe setup */ @@ -323,8 +330,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe, if (dir_in) usbhsp_flags_set(pipe, IS_DIR_HOST); - if ((is_host && !dir_in) || - (!is_host && dir_in)) + if (!!is_host ^ !!dir_in) dir |= DIR_OUT; if (!dir) @@ -471,10 +477,27 @@ int usbhs_pipe_is_dir_host(struct usbhs_pipe *pipe) return usbhsp_flags_has(pipe, IS_DIR_HOST); } -void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int data) +void usbhs_pipe_data_sequence(struct usbhs_pipe *pipe, int sequence) { u16 mask = (SQCLR | SQSET); - u16 val = (data) ? SQSET : SQCLR; + u16 val; + + /* + * sequence + * 0 : data0 + * 1 : data1 + * -1 : no change + */ + switch (sequence) { + case 0: + val = SQCLR; + break; + case 1: + val = SQSET; + break; + default: + return; + } usbhsp_pipectrl_set(pipe, mask, val); } |
