diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-26 13:50:51 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-06-26 13:50:51 +0200 |
commit | 8a325e9f77fe3c1de760328c5e52ea48d617725f (patch) | |
tree | b3d214a9b6be832b767a7c1d5a3683fafc748713 /drivers/staging/fsl-mc/include | |
parent | 1b06739ca6b47646af368635f393235eba82e749 (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.h | 77 |
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_ */ |