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Commit cf9ff75d authored by Ioana Ciornei's avatar Ioana Ciornei Committed by Li Yang
Browse files

soc: fsl: dpio: store a backpointer to the device backing the dpaa2_io 



Add a new field in the dpaa2_io structure to hold a backpointer to the
actual DPIO device.

Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent 9182ee28

drivers/soc/fsl/dpio/dpio-driver.c

+1 −1
Original line number Diff line number Diff line
@@ -176,7 +176,7 @@ static int dpaa2_dpio_probe(struct fsl_mc_device *dpio_dev) 
	if (err)

		goto err_register_dpio_irq;



	priv->io = dpaa2_io_create(&desc);

	priv->io = dpaa2_io_create(&desc, dev);

	if (!priv->io) {

		dev_err(dev, "dpaa2_io_create failed\n");

		err = -ENOMEM;

drivers/soc/fsl/dpio/dpio-service.c

+6 −1
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ struct dpaa2_io { 
	/* protect notifications list */

	spinlock_t lock_notifications;

	struct list_head notifications;

	struct device *dev;

};



struct dpaa2_io_store {
@@ -98,13 +99,15 @@ EXPORT_SYMBOL_GPL(dpaa2_io_service_select); 
/**

 * dpaa2_io_create() - create a dpaa2_io object.

 * @desc: the dpaa2_io descriptor

 * @dev: the actual DPIO device

 *

 * Activates a "struct dpaa2_io" corresponding to the given config of an actual

 * DPIO object.

 *

 * Return a valid dpaa2_io object for success, or NULL for failure.

 */

struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc)

struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc,

				 struct device *dev)

{

	struct dpaa2_io *obj = kmalloc(sizeof(*obj), GFP_KERNEL);
@@ -146,6 +149,8 @@ struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc) 
		dpio_by_cpu[desc->cpu] = obj;

	spin_unlock(&dpio_list_lock);



	obj->dev = dev;



	return obj;

}

include/soc/fsl/dpaa2-io.h

+2 −1
Original line number Diff line number Diff line
@@ -57,7 +57,8 @@ struct dpaa2_io_desc { 
	u32 qman_version;

};



struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc);

struct dpaa2_io *dpaa2_io_create(const struct dpaa2_io_desc *desc,

				 struct device *dev);



void dpaa2_io_down(struct dpaa2_io *d);