iMX31 and 88W8686 SDIO module

[claud_yu]

> Okay, good news: the interrupt handling seems to work.
> 
> > libertas thread: interrupt: 0x1
> > libertas host: PREP_CMD: wait for response
> > libertas enter: if_sdio_card_to_host():258
> > libertas thread: packet size (50 bytes) from firmware
> 
> Here the code says that there are 50 bytes for us.
> 
> > libertas thread: packet of type 1 and size 0 bytes
> 
> And now this has suddenly reduced to 0 bytes. Something
> must be 
> wrong here. Maybe add lbs_dump_hex() around this lines to
> find 
> the cause.
Do you mean lbs_deb_hex() ? I add lbs_deb_hex() to dump the buffer after sdio_readsb()  and get following log 

--------------------------------
libertas thread: interrupt: 0x2

libertas leave: if_sdio_interrupt():856, ret 0

libertas enter: if_sdio_interrupt():822

libertas thread: interrupt: 0x1

libertas enter: if_sdio_card_to_host():258

libertas thread: packet size (50 bytes) from firmware

libertas CARD_BUF: 00 00 01 00 03 80 2e 00 02 00 00 00 02 00 11 00

libertas CARD_BUF: 08 00 40 00 00 19 88 05 39 58 40 00 01 00 03 46

libertas CARD_BUF: 09 12 00 00 00 00 00 00 00 00 00 00 00 00 03 03

libertas CARD_BUF: 00 00

libertas thread: packet of type 1 and size 0 bytes

libertas thread: packet fragment (0 < 50)

libertas enter: if_sdio_handle_cmd():135

libertas thread: response packet too large (-4 bytes)

libertas leave: if_sdio_handle_cmd():164, ret -7

libertas: problem fetching packet from firmware

libertas leave: if_sdio_card_to_host():347, ret -7

libertas leave: if_sdio_interrupt():856, ret -7
--------------------------------

I don't know the relation between  chunk size read from scratch register and data from  sdio_readsb().  Does those should be the same ? 

Claud Yu


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