Signed-off-by: Saeed Bishara <saeed@xxxxxxxxxxx>
---
drivers/dma/mv_xor.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 56 insertions(+), 0 deletions(-)
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index db77903..ecacd32 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1284,9 +1284,38 @@ mv_xor_conf_mbus_windows(struct mv_xor_shared_private *msp,
writel(win_enable, base + WINDOW_BAR_ENABLE(1));
}
+#ifdef CONFIG_PM
+static int mv_xor_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ return 0;
+}
+
+static int mv_xor_resume(struct platform_device *pdev)
+{
+ struct mv_xor_device *device = platform_get_drvdata(pdev);
+ struct dma_chan *chan, *_chan;
+ struct mv_xor_chan *mv_chan;
+
+ list_for_each_entry_safe(chan, _chan, &device->common.channels,
+ device_node) {
+ mv_chan = to_mv_xor_chan(chan);
+ mv_chan_unmask_interrupts(mv_chan);
+
+ mv_set_mode(mv_chan, mv_chan->current_type);
+ }
+ return 0;
+}
+
+#else
+#define mv_xor_suspend NULL
+#define mv_xor_resume NULL
+#endif
+
static struct platform_driver mv_xor_driver = {
.probe = mv_xor_probe,
.remove = __devexit_p(mv_xor_remove),
+ .suspend = mv_xor_suspend,
+ .resume = mv_xor_resume,
.driver = {
.owner = THIS_MODULE,
.name = MV_XOR_NAME,
@@ -1355,9 +1384,36 @@ static int mv_xor_shared_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int mv_xor_shared_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ return 0;
+}
+
+static int mv_xor_shared_resume(struct platform_device *pdev)
+{
+ struct mv_xor_platform_shared_data *msd = pdev->dev.platform_data;
+ struct mv_xor_shared_private *msp = platform_get_drvdata(pdev);
+ /*
+ * (Re-)program MBUS remapping windows if we are asked to.
+ */
+ if (msd != NULL && msd->dram != NULL)
+ mv_xor_conf_mbus_windows(msp, msd->dram);
+
+ return 0;
+}
+
+#else
+#define mv_xor_shared_suspend NULL
+#define mv_xor_shared_resume NULL
+#endif
+
static struct platform_driver mv_xor_shared_driver = {
.probe = mv_xor_shared_probe,
.remove = mv_xor_shared_remove,
+ .suspend = mv_xor_shared_suspend,
+ .resume = mv_xor_shared_resume,
.driver = {
.owner = THIS_MODULE,
.name = MV_XOR_SHARED_NAME,
--
1.6.0.4
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
