libertas: add support for Marvell SD8688 chip

libertas: add support for Marvell SD8688 chip

Use RxPD->pkt_ptr to locate eth803 header in the packet
received since SD8688/v10 firmware allows a gap between
RxPD and eth803 header.

Set SDIO block size to 256 for CMD53.
The maximum block size for SD8688 WLAN function is set
to 512 in TPLFE_MAX_BLK_SIZE. But using 512 as block size
results upto 2K bytes data (4 blocks) being transferred
and causes buffer overflow in firmware.

Both changes above are backward compatible with earlier
firmware versions for SD8385/SD8686.

The SDIO_DEVICE_IDs for SD8688 chip are added in
include/linux/mmc/sdio_ids.h

Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 8f279e7bd049..ad99470ae92d 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -146,10 +146,10 @@ config LIBERTAS_CS
           A driver for Marvell Libertas 8385 CompactFlash devices.
 
 config LIBERTAS_SDIO
-        tristate "Marvell Libertas 8385 and 8686 SDIO 802.11b/g cards"
+        tristate "Marvell Libertas 8385/8686/8688 SDIO 802.11b/g cards"
         depends on LIBERTAS && MMC
         ---help---
-          A driver for Marvell Libertas 8385 and 8686 SDIO devices.
+          A driver for Marvell Libertas 8385/8686/8688 SDIO devices.
 
 config LIBERTAS_SPI
         tristate "Marvell Libertas 8686 SPI 802.11b/g cards"