From: Ido Yariv <ido@wizery.com>
Date: Thu, 30 Sep 2010 11:28:26 +0000 (+0200)
Subject: wl1271: Handle large SPI transfers
X-Git-Tag: v2.6.37-rc1~147^2~191^2^2~34^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c57a901dc96fc81d0041282269b43542f170d2a;p=pandora-kernel.git

wl1271: Handle large SPI transfers

The HW supports up to 4095 bytes transfers via SPI. The SPI read & write
operations do not handle larger transfers, causing the HW to stall in such
cases.

Fix this by fragmenting large transfers into smaller chunks, and
transferring each one separately.

Signed-off-by: Ido Yariv <ido@wizery.com>
Tested-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
---

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