From a2171b6807b01bb942de9524b01df29cf71b46c6 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 7 Aug 2009 19:22:57 +0100 Subject: [PATCH] Staging: sep: function shuffle Shuffle the functions into a more normal order. Don't however change any of them. Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/sep/sep_ext_with_pci_driver.c | 34 +- drivers/staging/sep/sep_main_mod.c | 348 +++++++++--------- 2 files changed, 189 insertions(+), 193 deletions(-) diff --git a/drivers/staging/sep/sep_ext_with_pci_driver.c b/drivers/staging/sep/sep_ext_with_pci_driver.c index beff79287266..dfdbd01998ef 100644 --- a/drivers/staging/sep/sep_ext_with_pci_driver.c +++ b/drivers/staging/sep/sep_ext_with_pci_driver.c @@ -170,25 +170,6 @@ unsigned long jiffies_future; private functions --------------------------------*/ -/* - function that is activated on the succesfull probe of the SEP device -*/ -static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id *ent); - -static struct pci_device_id sep_pci_id_tbl[] = { - {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)}, - {0} -}; - -MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl); - -/* field for registering driver to PCI device */ -static struct pci_driver sep_pci_driver = { - .name = "sep_sec_driver", - .id_table = sep_pci_id_tbl, - .probe = sep_probe -}; - /* This functions locks the area of the resisnd and cache sep code */ @@ -453,6 +434,20 @@ end_function: return error; } +static struct pci_device_id sep_pci_id_tbl[] = { + {PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)}, + {0} +}; + +MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl); + +/* field for registering driver to PCI device */ +static struct pci_driver sep_pci_driver = { + .name = "sep_sec_driver", + .id_table = sep_pci_id_tbl, + .probe = sep_probe +}; + /* this function registers th driver to the device subsystem( either PCI, USB, etc) @@ -463,4 +458,3 @@ int sep_register_driver_to_device(void) } - diff --git a/drivers/staging/sep/sep_main_mod.c b/drivers/staging/sep/sep_main_mod.c index fde6043a8e6d..0324fdfccfed 100644 --- a/drivers/staging/sep/sep_main_mod.c +++ b/drivers/staging/sep/sep_main_mod.c @@ -608,179 +608,6 @@ static int sep_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, u } -/* - this function registers the driver to the file system -*/ -static int sep_register_driver_to_fs(void) -{ - int ret_val = alloc_chrdev_region(&g_sep_device_number, 0, 1, "sep_sec_driver"); - if (ret_val) { - edbg("sep_driver:major number allocation failed, retval is %d\n", ret_val); - goto end_function; - } - - /* set the files operations structure */ - g_sep_fops.owner = THIS_MODULE; - g_sep_fops.ioctl = sep_ioctl; - g_sep_fops.poll = sep_poll; - g_sep_fops.open = sep_open; - g_sep_fops.release = sep_release; - g_sep_fops.mmap = sep_mmap; - - /* init cdev */ - cdev_init(&g_sep_cdev, &g_sep_fops); - g_sep_cdev.owner = THIS_MODULE; - - /* register the driver with the kernel */ - ret_val = cdev_add(&g_sep_cdev, g_sep_device_number, 1); - - if (ret_val) { - edbg("sep_driver:cdev_add failed, retval is %d\n", ret_val); - goto end_function_unregister_devnum; - } - - goto end_function; - -end_function_unregister_devnum: - - /* unregister dev numbers */ - unregister_chrdev_region(g_sep_device_number, 1); - -end_function: - return ret_val; -} - -/* - this function unregisters driver from fs -*/ -static void sep_unregister_driver_from_fs(void) -{ - cdev_del(&g_sep_cdev); - /* unregister dev numbers */ - unregister_chrdev_region(g_sep_device_number, 1); -} - -/*-------------------------------------------------------------- - init function -----------------------------------------------------------------*/ -static int __init sep_init(void) -{ - int ret_val = 0; - int counter; - int size; /* size of memory for allocation */ - - dbg("SEP Driver:-------->Init start\n"); - edbg("sep->shared_area_addr = %lx\n", (unsigned long) &sep_dev->shared_area_addr); - - /* transaction counter that coordinates the transactions between SEP - and HOST */ - sep_dev->host_to_sep_send_counter = 0; - - /* counter for the messages from sep */ - sep_dev->sep_to_host_reply_counter = 0; - - /* counter for the number of bytes allocated in the pool - for the current transaction */ - sep_dev->data_pool_bytes_allocated = 0; - - /* set the starting mode to blocking */ - sep_dev->block_mode_flag = 1; - - ret_val = sep_register_driver_to_device(); - if (ret_val) { - edbg("sep_driver:sep_driver_to_device failed, ret_val is %d\n", ret_val); - goto end_function_unregister_from_fs; - } - /* calculate the total size for allocation */ - size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + - SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; - - /* allocate the shared area */ - if (sep_map_and_alloc_shared_area(size, &sep_dev->shared_area_addr, &sep_dev->phys_shared_area_addr)) { - ret_val = -ENOMEM; - /* allocation failed */ - goto end_function_unmap_io_memory; - } - /* now set the memory regions */ - sep_dev->message_shared_area_addr = sep_dev->shared_area_addr; - - edbg("SEP Driver: g_message_shared_area_addr is %08lx\n", sep_dev->message_shared_area_addr); - -#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1) - /* send the new SHARED MESSAGE AREA to the SEP */ - sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep_dev->phys_shared_area_addr); - - /* poll for SEP response */ - retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR); - while (retVal != 0xffffffff && retVal != sep_dev->phys_shared_area_addr) - retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR); - - /* check the return value (register) */ - if (retVal != sep_dev->phys_shared_area_addr) { - ret_val = -ENOMEM; - goto end_function_deallocate_message_area; - } -#endif - /* init the flow contextes */ - for (counter = 0; counter < SEP_DRIVER_NUM_FLOWS; counter++) - sep_dev->flows_data_array[counter].flow_id = SEP_FREE_FLOW_ID; - - sep_dev->flow_wq_ptr = create_singlethread_workqueue("sepflowwq"); - if (sep_dev->flow_wq_ptr == 0) { - ret_val = -ENOMEM; - edbg("sep_driver:flow queue creation failed\n"); - goto end_function_deallocate_sep_shared_area; - } - edbg("SEP Driver: create flow workqueue \n"); - - /* register driver to fs */ - ret_val = sep_register_driver_to_fs(); - if (ret_val) - goto end_function_deallocate_sep_shared_area; - /* load the rom code */ - sep_load_rom_code(); - goto end_function; -end_function_unregister_from_fs: - /* unregister from fs */ - sep_unregister_driver_from_fs(); -end_function_deallocate_sep_shared_area: - /* de-allocate shared area */ - sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr); -end_function_unmap_io_memory: - iounmap((void *) sep_dev->reg_base_address); - /* release io memory region */ - release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE); -end_function: - dbg("SEP Driver:<-------- Init end\n"); - return ret_val; -} - - -/*------------------------------------------------------------- - exit function ---------------------------------------------------------------*/ -static void __exit sep_exit(void) -{ - int size; - - dbg("SEP Driver:--------> Exit start\n"); - - /* unregister from fs */ - sep_unregister_driver_from_fs(); - /* calculate the total size for de-allocation */ - size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + - SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; - /* free shared area */ - sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr); - edbg("SEP Driver: free pages SEP SHARED AREA \n"); - iounmap((void *) sep_dev->reg_base_address); - edbg("SEP Driver: iounmap \n"); - /* release io memory region */ - release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE); - edbg("SEP Driver: release_mem_region \n"); - dbg("SEP Driver:<-------- Exit end\n"); -} - /* interrupt handler function @@ -2629,6 +2456,181 @@ static void sep_configure_dma_burst(void) } +/* + this function registers the driver to the file system +*/ +static int sep_register_driver_to_fs(void) +{ + int ret_val = alloc_chrdev_region(&g_sep_device_number, 0, 1, "sep_sec_driver"); + if (ret_val) { + edbg("sep_driver:major number allocation failed, retval is %d\n", ret_val); + goto end_function; + } + + /* set the files operations structure */ + g_sep_fops.owner = THIS_MODULE; + g_sep_fops.ioctl = sep_ioctl; + g_sep_fops.poll = sep_poll; + g_sep_fops.open = sep_open; + g_sep_fops.release = sep_release; + g_sep_fops.mmap = sep_mmap; + + /* init cdev */ + cdev_init(&g_sep_cdev, &g_sep_fops); + g_sep_cdev.owner = THIS_MODULE; + + /* register the driver with the kernel */ + ret_val = cdev_add(&g_sep_cdev, g_sep_device_number, 1); + + if (ret_val) { + edbg("sep_driver:cdev_add failed, retval is %d\n", ret_val); + goto end_function_unregister_devnum; + } + + goto end_function; + +end_function_unregister_devnum: + + /* unregister dev numbers */ + unregister_chrdev_region(g_sep_device_number, 1); + +end_function: + return ret_val; +} + +/* + this function unregisters driver from fs +*/ +static void sep_unregister_driver_from_fs(void) +{ + cdev_del(&g_sep_cdev); + /* unregister dev numbers */ + unregister_chrdev_region(g_sep_device_number, 1); +} + + +/*-------------------------------------------------------------- + init function +----------------------------------------------------------------*/ +static int __init sep_init(void) +{ + int ret_val = 0; + int counter; + int size; /* size of memory for allocation */ + + dbg("SEP Driver:-------->Init start\n"); + edbg("sep->shared_area_addr = %lx\n", (unsigned long) &sep_dev->shared_area_addr); + + /* transaction counter that coordinates the transactions between SEP + and HOST */ + sep_dev->host_to_sep_send_counter = 0; + + /* counter for the messages from sep */ + sep_dev->sep_to_host_reply_counter = 0; + + /* counter for the number of bytes allocated in the pool + for the current transaction */ + sep_dev->data_pool_bytes_allocated = 0; + + /* set the starting mode to blocking */ + sep_dev->block_mode_flag = 1; + + ret_val = sep_register_driver_to_device(); + if (ret_val) { + edbg("sep_driver:sep_driver_to_device failed, ret_val is %d\n", ret_val); + goto end_function_unregister_from_fs; + } + /* calculate the total size for allocation */ + size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; + + /* allocate the shared area */ + if (sep_map_and_alloc_shared_area(size, &sep_dev->shared_area_addr, &sep_dev->phys_shared_area_addr)) { + ret_val = -ENOMEM; + /* allocation failed */ + goto end_function_unmap_io_memory; + } + /* now set the memory regions */ + sep_dev->message_shared_area_addr = sep_dev->shared_area_addr; + + edbg("SEP Driver: g_message_shared_area_addr is %08lx\n", sep_dev->message_shared_area_addr); + +#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1) + /* send the new SHARED MESSAGE AREA to the SEP */ + sep_write_reg(sep_dev, HW_HOST_HOST_SEP_GPR1_REG_ADDR, sep_dev->phys_shared_area_addr); + + /* poll for SEP response */ + retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR); + while (retVal != 0xffffffff && retVal != sep_dev->phys_shared_area_addr) + retVal = sep_read_reg(sep_dev, HW_HOST_SEP_HOST_GPR1_REG_ADDR); + + /* check the return value (register) */ + if (retVal != sep_dev->phys_shared_area_addr) { + ret_val = -ENOMEM; + goto end_function_deallocate_message_area; + } +#endif + /* init the flow contextes */ + for (counter = 0; counter < SEP_DRIVER_NUM_FLOWS; counter++) + sep_dev->flows_data_array[counter].flow_id = SEP_FREE_FLOW_ID; + + sep_dev->flow_wq_ptr = create_singlethread_workqueue("sepflowwq"); + if (sep_dev->flow_wq_ptr == 0) { + ret_val = -ENOMEM; + edbg("sep_driver:flow queue creation failed\n"); + goto end_function_deallocate_sep_shared_area; + } + edbg("SEP Driver: create flow workqueue \n"); + + /* register driver to fs */ + ret_val = sep_register_driver_to_fs(); + if (ret_val) + goto end_function_deallocate_sep_shared_area; + /* load the rom code */ + sep_load_rom_code(); + goto end_function; +end_function_unregister_from_fs: + /* unregister from fs */ + sep_unregister_driver_from_fs(); +end_function_deallocate_sep_shared_area: + /* de-allocate shared area */ + sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr); +end_function_unmap_io_memory: + iounmap((void *) sep_dev->reg_base_address); + /* release io memory region */ + release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE); +end_function: + dbg("SEP Driver:<-------- Init end\n"); + return ret_val; +} + + +/*------------------------------------------------------------- + exit function +--------------------------------------------------------------*/ +static void __exit sep_exit(void) +{ + int size; + + dbg("SEP Driver:--------> Exit start\n"); + + /* unregister from fs */ + sep_unregister_driver_from_fs(); + /* calculate the total size for de-allocation */ + size = SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES + SEP_DRIVER_FLOW_DMA_TABLES_AREA_SIZE_IN_BYTES + SEP_DRIVER_STATIC_AREA_SIZE_IN_BYTES + SEP_DRIVER_SYSTEM_DATA_MEMORY_SIZE_IN_BYTES; + /* free shared area */ + sep_unmap_and_free_shared_area(size, sep_dev->shared_area_addr, sep_dev->phys_shared_area_addr); + edbg("SEP Driver: free pages SEP SHARED AREA \n"); + iounmap((void *) sep_dev->reg_base_address); + edbg("SEP Driver: iounmap \n"); + /* release io memory region */ + release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE); + edbg("SEP Driver: release_mem_region \n"); + dbg("SEP Driver:<-------- Exit end\n"); +} + + module_init(sep_init); module_exit(sep_exit); -- 2.20.1