Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...

[linux-2.6-omap-h63xx.git] / drivers / dma / iop-adma.c

diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 6be3172622009ff67ec502b049f167d6ccebe1cd..16adbe61cfb2cd60efd1a01246be3f9c9f4eac43 100644 (file)
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -24,7 +24,6 @@
 
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/async_tx.h>
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/spinlock.h>
@@ -116,7 +115,7 @@ iop_adma_run_tx_complete_actions(struct iop_adma_desc_slot *desc,
        }
 
        /* run dependent operations */
-       async_tx_run_dependencies(&desc->async_tx);
+       dma_run_dependencies(&desc->async_tx);
 
        return cookie;
 }
@@ -270,8 +269,6 @@ static void __iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan)
                        break;
        }
 
-       BUG_ON(!seen_current);
-
        if (cookie > 0) {
                iop_chan->completed_cookie = cookie;
                pr_debug("\tcompleted cookie %d\n", cookie);
@@ -471,8 +468,7 @@ static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan);
  * greater than 2x the number slots needed to satisfy a device->max_xor
  * request.
  * */
-static int iop_adma_alloc_chan_resources(struct dma_chan *chan,
-                                        struct dma_client *client)
+static int iop_adma_alloc_chan_resources(struct dma_chan *chan)
 {
        char *hw_desc;
        int idx;
@@ -866,7 +862,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device)
        dma_chan = container_of(device->common.channels.next,
                                struct dma_chan,
                                device_node);
-       if (iop_adma_alloc_chan_resources(dma_chan, NULL) < 1) {
+       if (iop_adma_alloc_chan_resources(dma_chan) < 1) {
                err = -ENODEV;
                goto out;
        }
@@ -932,19 +928,19 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
 
        for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) {
                xor_srcs[src_idx] = alloc_page(GFP_KERNEL);
-               if (!xor_srcs[src_idx])
-                       while (src_idx--) {
+               if (!xor_srcs[src_idx]) {
+                       while (src_idx--)
                                __free_page(xor_srcs[src_idx]);
-                               return -ENOMEM;
-                       }
+                       return -ENOMEM;
+               }
        }
 
        dest = alloc_page(GFP_KERNEL);
-       if (!dest)
-               while (src_idx--) {
+       if (!dest) {
+               while (src_idx--)
                        __free_page(xor_srcs[src_idx]);
-                       return -ENOMEM;
-               }
+               return -ENOMEM;
+       }
 
        /* Fill in src buffers */
        for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) {
@@ -964,7 +960,7 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
        dma_chan = container_of(device->common.channels.next,
                                struct dma_chan,
                                device_node);
-       if (iop_adma_alloc_chan_resources(dma_chan, NULL) < 1) {
+       if (iop_adma_alloc_chan_resources(dma_chan) < 1) {
                err = -ENODEV;
                goto out;
        }
@@ -1115,26 +1111,13 @@ static int __devexit iop_adma_remove(struct platform_device *dev)
        struct iop_adma_device *device = platform_get_drvdata(dev);
        struct dma_chan *chan, *_chan;
        struct iop_adma_chan *iop_chan;
-       int i;
        struct iop_adma_platform_data *plat_data = dev->dev.platform_data;
 
        dma_async_device_unregister(&device->common);
 
-       for (i = 0; i < 3; i++) {
-               unsigned int irq;
-               irq = platform_get_irq(dev, i);
-               free_irq(irq, device);
-       }
-
        dma_free_coherent(&dev->dev, plat_data->pool_size,
                        device->dma_desc_pool_virt, device->dma_desc_pool);
 
-       do {
-               struct resource *res;
-               res = platform_get_resource(dev, IORESOURCE_MEM, 0);
-               release_mem_region(res->start, res->end - res->start);
-       } while (0);
-
        list_for_each_entry_safe(chan, _chan, &device->common.channels,
                                device_node) {
                iop_chan = to_iop_adma_chan(chan);
@@ -1255,7 +1238,6 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
        spin_lock_init(&iop_chan->lock);
        INIT_LIST_HEAD(&iop_chan->chain);
        INIT_LIST_HEAD(&iop_chan->all_slots);
-       INIT_RCU_HEAD(&iop_chan->common.rcu);
        iop_chan->common.device = dma_dev;
        list_add_tail(&iop_chan->common.device_node, &dma_dev->channels);
 
@@ -1419,7 +1401,7 @@ MODULE_ALIAS("platform:iop-adma");
 
 static struct platform_driver iop_adma_driver = {
        .probe          = iop_adma_probe,
-       .remove         = iop_adma_remove,
+       .remove         = __devexit_p(iop_adma_remove),
        .driver         = {
                .owner  = THIS_MODULE,
                .name   = "iop-adma",
@@ -1431,16 +1413,12 @@ static int __init iop_adma_init (void)
        return platform_driver_register(&iop_adma_driver);
 }
 
-/* it's currently unsafe to unload this module */
-#if 0
 static void __exit iop_adma_exit (void)
 {
        platform_driver_unregister(&iop_adma_driver);
        return;
 }
 module_exit(iop_adma_exit);
-#endif
-
 module_init(iop_adma_init);
 
 MODULE_AUTHOR("Intel Corporation");