Sergei, On Tue, Aug 12, 2014 at 12:10 PM, Sergei Shtylyov <[email protected]> wrote: > Hello. > > > On 08/12/2014 08:46 PM, Bin Liu wrote: > >> CPPI TX does not transmit ZLP for TX transfers which >> - transfer size is multiple of EP packet size, >> - and URB_ZERO_PACKET is set in urb->transfer_flags. > > >> The fix is transmitting the ZLP using PIO mode after the CPPI TX is >> done. > > >> Validated using the following usbtest write case for MUSB host mode. > > >> # testusb -t1 -c1 > > >> Signed-off-by: Bin Liu <[email protected]> >> --- >> drivers/usb/musb/musb_cppi41.c | 15 +++++++++++++-- >> 1 file changed, 13 insertions(+), 2 deletions(-) > > >> diff --git a/drivers/usb/musb/musb_cppi41.c >> b/drivers/usb/musb/musb_cppi41.c >> index 5989def..e9a0e54 100644 >> --- a/drivers/usb/musb/musb_cppi41.c >> +++ b/drivers/usb/musb/musb_cppi41.c >> @@ -39,6 +39,7 @@ struct cppi41_dma_channel { >> u32 transferred; >> u32 packet_sz; >> struct list_head tx_check; >> + u32 tx_zlp; > > > Why not *bool"?
Will fix it. I am not used to use 'bool', so... > > WBR, Sergei > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
