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author | Sascha Hauer <s.hauer@pengutronix.de> | 2010-11-24 08:24:29 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2010-11-24 08:24:29 +0100 |
commit | 2a85927c79634e89b9cd683dd2bae65966d9b216 (patch) | |
tree | 5e922b0f26e4099b6bcad65d2d5ea42e166ff068 /arch/arm/plat-mxc/devices.c | |
parent | 3561d43fd289f590fdae672e5eb831b8d5cf0bf6 (diff) | |
parent | 124bf94a9f9b52341562628cd56b252e7d820ee8 (diff) | |
download | op-kernel-dev-2a85927c79634e89b9cd683dd2bae65966d9b216.zip op-kernel-dev-2a85927c79634e89b9cd683dd2bae65966d9b216.tar.gz |
Merge branch 'imx-for-2.6.38' of git://git.pengutronix.de/git/ukl/linux-2.6 into imx-for-2.6.38
Diffstat (limited to 'arch/arm/plat-mxc/devices.c')
-rw-r--r-- | arch/arm/plat-mxc/devices.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/plat-mxc/devices.c b/arch/arm/plat-mxc/devices.c index 735776d..e9bcefe 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) |