From: Vasily Khoruzhick <anarsoul@gmail.com>
Date: Fri, 21 Jan 2011 20:44:48 +0000 (+0200)
Subject: libertas_spi: Use workqueue in hw_host_to_card
X-Git-Tag: v2.6.39-rc1~468^2~403^2~61
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16f775befc1ccf67e6b223c4d9bb17ac3502ab2c;p=pandora-kernel.git

libertas_spi: Use workqueue in hw_host_to_card

Use workqueue to perform SPI xfers, it's necessary to fix
nasty "BUG: scheduling while atomic", because
spu_write() calls spi_sync() and spi_sync() may sleep, but
hw_host_to_card() callback can be called from atomic context.
Remove kthread completely, workqueue now does its job.
Restore intermediate buffers which were removed in commit
86c34fe89e9cad9e1ba4d1a8bbf98259035f4caf that introduced
mentioned bug.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

Reading git-diff-tree failed