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Commit e328f05d authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
  mfd: Fetch cell pointer from platform_device->mfd_cell
parents 0d88f6e8 e710d7d5

drivers/base/platform.c

+1 −0
Original line number Diff line number Diff line
@@ -149,6 +149,7 @@ static void platform_device_release(struct device *dev) 


	of_device_node_put(&pa->pdev.dev);

	kfree(pa->pdev.dev.platform_data);

	kfree(pa->pdev.mfd_cell);

	kfree(pa->pdev.resource);

	kfree(pa);

}

drivers/mfd/mfd-core.c

+14 −2
Original line number Diff line number Diff line
@@ -55,6 +55,19 @@ int mfd_cell_disable(struct platform_device *pdev) 
}

EXPORT_SYMBOL(mfd_cell_disable);



static int mfd_platform_add_cell(struct platform_device *pdev,

				 const struct mfd_cell *cell)

{

	if (!cell)

		return 0;



	pdev->mfd_cell = kmemdup(cell, sizeof(*cell), GFP_KERNEL);

	if (!pdev->mfd_cell)

		return -ENOMEM;



	return 0;

}



static int mfd_add_device(struct device *parent, int id,

			  const struct mfd_cell *cell,

			  struct resource *mem_base,
@@ -75,7 +88,7 @@ static int mfd_add_device(struct device *parent, int id, 


	pdev->dev.parent = parent;



	ret = platform_device_add_data(pdev, cell, sizeof(*cell));

	ret = mfd_platform_add_cell(pdev, cell);

	if (ret)

		goto fail_res;
@@ -123,7 +136,6 @@ static int mfd_add_device(struct device *parent, int id, 


	return 0;



/*	platform_device_del(pdev); */

fail_res:

	kfree(res);

fail_device:

include/linux/mfd/core.h

+11 −2
Original line number Diff line number Diff line
@@ -86,16 +86,25 @@ extern int mfd_clone_cell(const char *cell, const char **clones, 
 */

static inline const struct mfd_cell *mfd_get_cell(struct platform_device *pdev)

{

	return pdev->dev.platform_data;

	return pdev->mfd_cell;

}



/*

 * Given a platform device that's been created by mfd_add_devices(), fetch

 * the .mfd_data entry from the mfd_cell that created it.

 * Otherwise just return the platform_data pointer.

 * This maintains compatibility with platform drivers whose devices aren't

 * created by the mfd layer, and expect platform_data to contain what would've

 * otherwise been in mfd_data.

 */

static inline void *mfd_get_data(struct platform_device *pdev)

{

	return mfd_get_cell(pdev)->mfd_data;

	const struct mfd_cell *cell = mfd_get_cell(pdev);



	if (cell)

		return cell->mfd_data;

	else

		return pdev->dev.platform_data;

}



extern int mfd_add_devices(struct device *parent, int id,

include/linux/platform_device.h

+5 −0
Original line number Diff line number Diff line
@@ -14,6 +14,8 @@ 
#include <linux/device.h>

#include <linux/mod_devicetable.h>



struct mfd_cell;



struct platform_device {

	const char	* name;

	int		id;
@@ -23,6 +25,9 @@ struct platform_device { 


	const struct platform_device_id	*id_entry;



	/* MFD cell pointer */

	struct mfd_cell *mfd_cell;



	/* arch specific additions */

	struct pdev_archdata	archdata;

};