iwlwifi: use rmb/wmb to protect indirect mmio operation

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This patch protects iwlwifi indirect mmio operations with rmb() and
wmb(). It makes sure CPU reordering won't affect our indirect mmio
access.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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Zhu, Yi 2008-12-05 07:58:41 -08:00 • committed by John W. Linville

parent 73d7b5acc4

commit a8ec42c143

2 changed files with 10 additions and 0 deletions

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5

drivers/net/wireless/iwlwifi/iwl-3945-io.h

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5

drivers/net/wireless/iwlwifi/iwl-io.h

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