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usbdebug: Improve receive speed

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Read from USB endpoint_in 8 bytes at a time, the maximum what
EHCI debug port capability has to offer.

Change-Id: I3d012d758a24b24f894e587b301f620933331407
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4700
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@google.com>
This commit is contained in:
Kyösti Mälkki
2014-01-15 22:26:03 +02:00
parent ed87ebc325
commit 0108bf5157
3 changed files with 20 additions and 6 deletions
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1
src/include/console/usb.h
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@ -32,5 +32,6 @@ int dbgp_bulk_write_x(struct dbgp_pipe *pipe, const char *bytes, int size);
int dbgp_bulk_read_x(struct dbgp_pipe *pipe, void *data, int size);
void usbdebug_tx_byte(struct dbgp_pipe *pipe, unsigned char data);
void usbdebug_tx_flush(struct dbgp_pipe *pipe);
unsigned char usbdebug_rx_byte(struct dbgp_pipe *pipe);
#endif /* _CONSOLE_USB_H_ */