Commit-ID: ded467374a34eb80020c2213456b1d9ca946b88c
Gitweb: http://git.kernel.org/tip/ded467374a34eb80020c2213456b1d9ca946b88c
Author: Joerg Roedel <joerg.roedel@xxxxxxx>
AuthorDate: Wed, 6 Apr 2011 10:53:48 +0200
Committer: Joerg Roedel <joerg.roedel@xxxxxxx>
CommitDate: Wed, 6 Apr 2011 10:53:48 +0200
x86/amd-iommu: Move compl-wait command building to own function
This patch introduces a seperate function for building
completion-wait commands.
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kernel/amd_iommu.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 57ca777..eebd504 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -383,6 +383,13 @@ irqreturn_t amd_iommu_int_handler(int irq, void *data)
*
****************************************************************************/
+static void build_completion_wait(struct iommu_cmd *cmd)
+{
+ memset(cmd, 0, sizeof(*cmd));
+ cmd->data[0] = CMD_COMPL_WAIT_INT_MASK;
+ CMD_SET_TYPE(cmd, CMD_COMPL_WAIT);
+}
+
/*
* Writes the command to the IOMMUs command buffer and informs the
* hardware about the new command. Must be called with iommu->lock held.
@@ -458,9 +465,7 @@ static int __iommu_completion_wait(struct amd_iommu *iommu)
{
struct iommu_cmd cmd;
- memset(&cmd, 0, sizeof(cmd));
- cmd.data[0] = CMD_COMPL_WAIT_INT_MASK;
- CMD_SET_TYPE(&cmd, CMD_COMPL_WAIT);
+ build_completion_wait(&cmd);
return __iommu_queue_command(iommu, &cmd);
}
--
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