1 files changed, 0 insertions, 103 deletions
diff --git a/target/linux/layerscape/patches-4.4/7150-staging-fsl-mc-set-MSI-domain-for-DPRC-objects.patch b/target/linux/layerscape/patches-4.4/7150-staging-fsl-mc-set-MSI-domain-for-DPRC-objects.patch
deleted file mode 100644
index 0c69783ad9..0000000000
--- a/target/linux/layerscape/patches-4.4/7150-staging-fsl-mc-set-MSI-domain-for-DPRC-objects.patch
+++ /dev/null
@@ -1,103 +0,0 @@
-From 15bfab2641c61fb50a876860e8909ab84d2b8701 Mon Sep 17 00:00:00 2001
-From: "J. German Rivera" <German.Rivera@freescale.com>
-Date: Wed, 6 Jan 2016 16:03:26 -0600
-Subject: [PATCH 150/226] staging: fsl-mc: set MSI domain for DPRC objects
-
-THE MSI domain associated with a root DPRC object is
-obtained form the device tree. Child DPRCs inherit
-the parent DPRC MSI domain.
-
-Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
----
- drivers/staging/fsl-mc/bus/dprc-driver.c |   39 ++++++++++++++++++++++++++++++
- 1 file changed, 39 insertions(+)
-
---- a/drivers/staging/fsl-mc/bus/dprc-driver.c
-+++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
-@@ -13,6 +13,7 @@
- #include "../include/mc-sys.h"
- #include <linux/module.h>
- #include <linux/slab.h>
-+#include <linux/interrupt.h>
- #include "dprc-cmd.h"
- 
- struct dprc_child_objs {
-@@ -398,11 +399,16 @@ static int dprc_probe(struct fsl_mc_devi
- {
- 	int error;
- 	size_t region_size;
-+	struct device *parent_dev = mc_dev->dev.parent;
- 	struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_dev);
-+	bool msi_domain_set = false;
- 
- 	if (WARN_ON(strcmp(mc_dev->obj_desc.type, "dprc") != 0))
- 		return -EINVAL;
- 
-+	if (WARN_ON(dev_get_msi_domain(&mc_dev->dev)))
-+		return -EINVAL;
-+
- 	if (!mc_dev->mc_io) {
- 		/*
- 		 * This is a child DPRC:
-@@ -421,6 +427,30 @@ static int dprc_probe(struct fsl_mc_devi
- 					 &mc_dev->mc_io);
- 		if (error < 0)
- 			return error;
-+		/*
-+		 * Inherit parent MSI domain:
-+		 */
-+		dev_set_msi_domain(&mc_dev->dev,
-+				   dev_get_msi_domain(parent_dev));
-+		msi_domain_set = true;
-+	} else {
-+		/*
-+		 * This is a root DPRC
-+		 */
-+		struct irq_domain *mc_msi_domain;
-+
-+		if (WARN_ON(parent_dev->bus == &fsl_mc_bus_type))
-+			return -EINVAL;
-+
-+		error = fsl_mc_find_msi_domain(parent_dev,
-+					       &mc_msi_domain);
-+		if (error < 0) {
-+			dev_warn(&mc_dev->dev,
-+				 "WARNING: MC bus without interrupt support\n");
-+		} else {
-+			dev_set_msi_domain(&mc_dev->dev, mc_msi_domain);
-+			msi_domain_set = true;
-+		}
- 	}
- 
- 	error = dprc_open(mc_dev->mc_io, 0, mc_dev->obj_desc.id,
-@@ -446,6 +476,9 @@ error_cleanup_open:
- 	(void)dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
- 
- error_cleanup_mc_io:
-+	if (msi_domain_set)
-+		dev_set_msi_domain(&mc_dev->dev, NULL);
-+
- 	fsl_destroy_mc_io(mc_dev->mc_io);
- 	return error;
- }
-@@ -463,6 +496,7 @@ error_cleanup_mc_io:
- static int dprc_remove(struct fsl_mc_device *mc_dev)
- {
- 	int error;
-+	struct fsl_mc_bus *mc_bus = to_fsl_mc_bus(mc_dev);
- 
- 	if (WARN_ON(strcmp(mc_dev->obj_desc.type, "dprc") != 0))
- 		return -EINVAL;
-@@ -475,6 +509,11 @@ static int dprc_remove(struct fsl_mc_dev
- 	if (error < 0)
- 		dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
- 
-+	if (dev_get_msi_domain(&mc_dev->dev)) {
-+		fsl_mc_cleanup_irq_pool(mc_bus);
-+		dev_set_msi_domain(&mc_dev->dev, NULL);
-+	}
-+
- 	dev_info(&mc_dev->dev, "DPRC device unbound from driver");
- 	return 0;
- }