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authorSimon Horman <horms@verge.net.au>2011-01-13 10:29:21 +0900
committerSimon Horman <horms@verge.net.au>2011-01-13 10:29:21 +0900
commitfee1cc0895fd7bde875a86bbc3a1e82089e540b8 (patch)
treedf0a07a650229fd7aa775ca6c20a8d2939c96e72 /arch/arm/plat-mxc/devices.c
parentae90bdeaeac6b964b7a1e853a90a19f358a9ac20 (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into HEAD
Diffstat (limited to 'arch/arm/plat-mxc/devices.c')
-rw-r--r--arch/arm/plat-mxc/devices.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/devices.c b/arch/arm/plat-mxc/devices.c
index 735776d8495..e9bcefe79a4 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)