Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (416 commits)
  ARM: DMA: add support for DMA debugging
  ARM: PL011: add DMA burst threshold support for ST variants
  ARM: PL011: Add support for transmit DMA
  ARM: PL011: Ensure IRQs are disabled in UART interrupt handler
  ARM: PL011: Separate hardware FIFO size from TTY FIFO size
  ARM: PL011: Allow better handling of vendor data
  ARM: PL011: Ensure error flags are clear at startup
  ARM: PL011: include revision number in boot-time port printk
  ARM: vexpress: add sched_clock() for Versatile Express
  ARM i.MX53: Make MX53 EVK bootable
  ARM i.MX53: Some bug fix about MX53 MSL code
  ARM: 6607/1: sa1100: Update platform device registration
  ARM: 6606/1: sa1100: Fix platform device registration
  ARM i.MX51: rename IPU irqs
  ARM i.MX51: Add ipu clock support
  ARM: imx/mx27_3ds: Add PMIC support
  ARM: DMA: Replace page_to_dma()/dma_to_page() with pfn_to_dma()/dma_to_pfn()
  mx51: fix usb clock support
  MX51: Add support for usb host 2
  arch/arm/plat-mxc/ehci.c: fix errors/typos
  ...

1 files changed, 21 insertions, 2 deletions

diff --git a/arch/arm/plat-mxc/devices.c b/arch/arm/plat-mxc/devices.c
index 735776d84956..e9bcefe79a43 100644
--- a/arch/arm/plat-mxc/devices.c
+++ b/arch/arm/plat-mxc/devices.c
@@ -17,6 +17,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/err.h>
 #include <linux/platform_device.h>
@@ -36,9 +37,10 @@ int __init mxc_register_device(struct platform_device *pdev, void *data)
         return ret;
 }
 
-struct platform_device *__init imx_add_platform_device(const char *name, int id,
+struct platform_device *__init imx_add_platform_device_dmamask(
+                const char *name, int id,
                 const struct resource *res, unsigned int num_resources,
-                const void *data, size_t size_data)
+                const void *data, size_t size_data, u64 dmamask)
 {
         int ret = -ENOMEM;
         struct platform_device *pdev;
@@ -47,6 +49,23 @@ struct platform_device *__init imx_add_platform_device(const char *name, int id,
         if (!pdev)
                 goto err;
 
+        if (dmamask) {
+                /*
+                 * This memory isn't freed when the device is put,
+                 * I don't have a nice idea for that though.  Conceptually
+                 * dma_mask in struct device should not be a pointer.
+                 * See http://thread.gmane.org/gmane.linux.kernel.pci/9081
+                 */
+                pdev->dev.dma_mask =
+                        kmalloc(sizeof(*pdev->dev.dma_mask), GFP_KERNEL);
+                if (!pdev->dev.dma_mask)
+                        /* ret is still -ENOMEM; */
+                        goto err;
+
+                *pdev->dev.dma_mask = dmamask;
+                pdev->dev.coherent_dma_mask = dmamask;
+        }
+
         if (res) {
                 ret = platform_device_add_resources(pdev, res, num_resources);
                 if (ret)