Merge branch 'next/topic-gpio-samsung' into next-samsung-devel

[pandora-kernel.git] / drivers / dma / amba-pl08x.c

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 849eab8..cd8df7f 100644 (file)
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -76,6 +76,7 @@
 #include <linux/device.h>
 #include <linux/dmaengine.h>
 #include <linux/dmapool.h>
+#include <linux/dma-mapping.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
@@ -86,6 +87,8 @@
 
 #define DRIVER_NAME    "pl08xdmac"
 
+static struct amba_driver pl08x_amba_driver;
+
 /**
  * struct vendor_data - vendor-specific config parameters for PL08x derivatives
  * @channels: the number of channels available in this variant
@@ -1419,9 +1422,15 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
 
 bool pl08x_filter_id(struct dma_chan *chan, void *chan_id)
 {
-       struct pl08x_dma_chan *plchan = to_pl08x_chan(chan);
+       struct pl08x_dma_chan *plchan;
        char *name = chan_id;
 
+       /* Reject channels for devices not bound to this driver */
+       if (chan->device->dev->driver != &pl08x_amba_driver.drv)
+               return false;
+
+       plchan = to_pl08x_chan(chan);
+
        /* Check that the channel is not taken! */
        if (!strcmp(plchan->name, name))
                return true;