Messages in this thread Patch in this message | | | From | Daniel Drake <> | Subject | [PATCH 1/3] mfd: allow mfd_cell association with device tree node | Date | Wed, 28 Sep 2011 10:08:10 +0100 (BST) |
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This allows a mfd_cell to be linked with a device tree node, which then allows child drivers to have easy access to that handle.
Signed-off-by: Daniel Drake <dsd@laptop.org> --- drivers/mfd/mfd-core.c | 1 + include/linux/mfd/core.h | 4 ++++ 2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 0902523..7d22dcd 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -87,6 +87,7 @@ static int mfd_add_device(struct device *parent, int id, goto fail_device; pdev->dev.parent = parent; + pdev->dev.of_node = cell->of_node; if (cell->pdata_size) { ret = platform_device_add_data(pdev, diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h index 4e76163..9b836f9 100644 --- a/include/linux/mfd/core.h +++ b/include/linux/mfd/core.h @@ -15,6 +15,7 @@ #define MFD_CORE_H #include <linux/platform_device.h> +#include <linux/of.h> /* * This struct describes the MFD part ("cell"). @@ -37,6 +38,9 @@ struct mfd_cell { void *platform_data; size_t pdata_size; + /* association with device tree node (optional) */ + struct device_node *of_node; + /* * These resources can be specified relative to the parent device. * For accessing hardware you should use resources from the platform dev -- 1.7.6.2
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