| commit | 1082345290dbc66c19877662cb24c18ee4ae1296 | [log] [tgz] |
|---|---|---|
| author | Catalin Marinas <catalin.marinas@arm.com> | Thu Jun 10 17:02:12 2010 +0100 |
| committer | Jeff Garzik <jgarzik@redhat.com> | Thu Jun 10 16:06:48 2010 -0400 |
| tree | 601a05fd1e26e161c4f60bef35dab7411dac0e5b | |
| parent | 14e45c15e1dcc4d972b41343661683efd60fed72 [diff] |
sata_sil24: Use memory barriers before issuing commands The data in the cmd_block buffers may reach the main memory after the writel() to the device ports. This patch introduces two calls to wmb() to ensure the relative ordering. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Colin Tuckley <colin.tuckley@arm.com> Cc: Tejun Heo <tj@kernel.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>