From: Sonic Zhang <sonic.zhang@xxxxxxxxxx> Add some helpful notes about how the driver works around anomaly 05000450 (USB DMA Mode 1 Short Packet Data Corruption). Signed-off-by: Sonic Zhang <sonic.zhang@xxxxxxxxxx> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx> --- drivers/usb/musb/blackfin.h | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/drivers/usb/musb/blackfin.h b/drivers/usb/musb/blackfin.h index 159fdea..ba5e606 100644 --- a/drivers/usb/musb/blackfin.h +++ b/drivers/usb/musb/blackfin.h @@ -14,6 +14,12 @@ * Blackfin specific definitions */ +/* Anomaly notes: + * 05000450 - MUSB driver is degined to transfer buffer of N*maxpacket size + * in DMA mode 1 and leave rest data to the next transfer in DMA + * mode 0. +*/ + #undef DUMP_FIFO_DATA #ifdef DUMP_FIFO_DATA static void dump_fifo_data(u8 *buf, u16 len) -- 1.6.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
