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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-26 13:50:51 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-06-26 13:50:51 +0200
commit8a325e9f77fe3c1de760328c5e52ea48d617725f (patch)
treeb3d214a9b6be832b767a7c1d5a3683fafc748713 /drivers/staging/fsl-mc/include
parent1b06739ca6b47646af368635f393235eba82e749 (diff)
Revert "staging: fsl-mc: move rest of mc-bus.h to private header"
This reverts commit af4376710cc5188c42eb473676f6c9d2a16692c4. The whole series is broken, so back it all out. Reported-by: kbuild test robot <fengguang.wu@intel.com> Cc: Laurentiu Tudor <laurentiu.tudor@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/fsl-mc/include')
-rw-r--r--drivers/staging/fsl-mc/include/mc-bus.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/staging/fsl-mc/include/mc-bus.h b/drivers/staging/fsl-mc/include/mc-bus.h
new file mode 100644
index 000000000000..a79a679578d2
--- /dev/null
+++ b/drivers/staging/fsl-mc/include/mc-bus.h
@@ -0,0 +1,77 @@
+/*
+ * Freescale Management Complex (MC) bus declarations
+ *
+ * Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
+ * Author: German Rivera <German.Rivera@freescale.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+#ifndef _FSL_MC_MCBUS_H_
+#define _FSL_MC_MCBUS_H_
+
+#include "../include/mc.h"
+#include <linux/mutex.h>
+
+/**
+ * Maximum number of total IRQs that can be pre-allocated for an MC bus'
+ * IRQ pool
+ */
+#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256
+
+/**
+ * struct fsl_mc_resource_pool - Pool of MC resources of a given
+ * type
+ * @type: type of resources in the pool
+ * @max_count: maximum number of resources in the pool
+ * @free_count: number of free resources in the pool
+ * @mutex: mutex to serialize access to the pool's free list
+ * @free_list: anchor node of list of free resources in the pool
+ * @mc_bus: pointer to the MC bus that owns this resource pool
+ */
+struct fsl_mc_resource_pool {
+ enum fsl_mc_pool_type type;
+ int max_count;
+ int free_count;
+ struct mutex mutex; /* serializes access to free_list */
+ struct list_head free_list;
+ struct fsl_mc_bus *mc_bus;
+};
+
+/**
+ * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC
+ * @mc_dev: fsl-mc device for the bus device itself.
+ * @resource_pools: array of resource pools (one pool per resource type)
+ * for this MC bus. These resources represent allocatable entities
+ * from the physical DPRC.
+ * @irq_resources: Pointer to array of IRQ objects for the IRQ pool
+ * @scan_mutex: Serializes bus scanning
+ * @dprc_attr: DPRC attributes
+ */
+struct fsl_mc_bus {
+ struct fsl_mc_device mc_dev;
+ struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES];
+ struct fsl_mc_device_irq *irq_resources;
+ struct mutex scan_mutex; /* serializes bus scanning */
+ struct dprc_attributes dprc_attr;
+};
+
+#define to_fsl_mc_bus(_mc_dev) \
+ container_of(_mc_dev, struct fsl_mc_bus, mc_dev)
+
+int fsl_mc_find_msi_domain(struct device *mc_platform_dev,
+ struct irq_domain **mc_msi_domain);
+
+int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus,
+ unsigned int irq_count);
+
+void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus);
+
+void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
+
+void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev);
+
+bool fsl_mc_is_root_dprc(struct device *dev);
+
+#endif /* _FSL_MC_MCBUS_H_ */