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Commit 660a24bf authored by J. German Rivera's avatar J. German Rivera Committed by Greg Kroah-Hartman
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staging: fsl-mc: Added MSI support to the MC bus driver 



Initialize/Cleanup ITS-MSI support for the MC bus driver at driver
init/exit time. Associate an MSI domain with each DPAA2 child device.

Signed-off-by: default avatarJ. German Rivera <German.Rivera@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f52dee5c

drivers/staging/fsl-mc/bus/mc-bus.c

+12 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 
#include <linux/ioport.h>

#include <linux/slab.h>

#include <linux/limits.h>

#include <linux/bitops.h>

#include <linux/msi.h>

#include "../include/dpmng.h"

#include "../include/mc-sys.h"

#include "dprc-cmd.h"
@@ -472,6 +474,8 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, 
		mc_dev->icid = parent_mc_dev->icid;

		mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;

		mc_dev->dev.dma_mask = &mc_dev->dma_mask;

		dev_set_msi_domain(&mc_dev->dev,

				   dev_get_msi_domain(&parent_mc_dev->dev));

	}



	/*
@@ -833,8 +837,15 @@ static int __init fsl_mc_bus_driver_init(void) 
	if (error < 0)

		goto error_cleanup_dprc_driver;



	error = its_fsl_mc_msi_init();

	if (error < 0)

		goto error_cleanup_mc_allocator;



	return 0;



error_cleanup_mc_allocator:

	fsl_mc_allocator_driver_exit();



error_cleanup_dprc_driver:

	dprc_driver_exit();
@@ -856,6 +867,7 @@ static void __exit fsl_mc_bus_driver_exit(void) 
	if (WARN_ON(!mc_dev_cache))

		return;



	its_fsl_mc_msi_cleanup();

	fsl_mc_allocator_driver_exit();

	dprc_driver_exit();

	platform_driver_unregister(&fsl_mc_bus_driver);