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usb: renesas_usbhs: add usbhs_pipe_is_stall()

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This is preparation for chapter 9 test

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Kuninori Morimoto 2011-11-24 17:27:32 -08:00 committed by Felipe Balbi
parent 4b81593201
commit 9cf1b06e90
2 changed files with 8 additions and 0 deletions
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7
drivers/usb/renesas_usbhs/pipe.c
View File

@ -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
*/

1
drivers/usb/renesas_usbhs/pipe.h
View File

@ -87,6 +87,7 @@ int usbhs_pipe_is_accessible(struct usbhs_pipe *pipe);
void usbhs_pipe_enable(struct usbhs_pipe *pipe);
void usbhs_pipe_disable(struct usbhs_pipe *pipe);
void usbhs_pipe_stall(struct usbhs_pipe *pipe);
int usbhs_pipe_is_stall(struct usbhs_pipe *pipe);
void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 devsel,
u16 epnum, u16 maxp);