diff options
author | Mark Allyn <mark.a.allyn@intel.com> | 2010-12-09 09:30:03 -0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-12-09 16:37:47 -0800 |
commit | f15662755f7eb3db4a416d52af24771cc208e7b0 (patch) | |
tree | 7e8aba32e4eed60c13faec2c2c771eadba66f735 /drivers/staging/sep | |
parent | c5e61563e26b5a43646393c5f5020d172b2767c7 (diff) |
Staging: sep: remove virtual address being passed to user space application
Signed-off-by: Mark Allyn <mark.a.allyn@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/sep')
-rw-r--r-- | drivers/staging/sep/sep_driver.c | 23 | ||||
-rw-r--r-- | drivers/staging/sep/sep_driver_api.h | 14 |
2 files changed, 6 insertions, 31 deletions
diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c index f2c216df362e..a5c0443b4efc 100644 --- a/drivers/staging/sep/sep_driver.c +++ b/drivers/staging/sep/sep_driver.c @@ -2541,12 +2541,9 @@ static int sep_free_dma_tables_and_dcb(struct sep_device *sep, bool isapplet, * This function sets the bus and virtual addresses of the static pool * and returns the virtual address */ -static int sep_get_static_pool_addr_handler(struct sep_device *sep, - unsigned long arg) +static int sep_get_static_pool_addr_handler(struct sep_device *sep) { - struct stat_pool_addr_struct command_args; u32 *static_pool_addr = NULL; - unsigned long addr_hold; dev_dbg(&sep->pdev->dev, "sep_get_static_pool_addr_handler start\n"); @@ -2554,21 +2551,11 @@ static int sep_get_static_pool_addr_handler(struct sep_device *sep, SEP_DRIVER_SYSTEM_RAR_MEMORY_OFFSET_IN_BYTES); static_pool_addr[0] = SEP_STATIC_POOL_VAL_TOKEN; - static_pool_addr[1] = sep->shared_bus + + static_pool_addr[1] = (u32)sep->shared_bus + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES; - addr_hold = (unsigned long) - (sep->shared_addr + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES); - command_args.static_virt_address = (aligned_u64)addr_hold; - - dev_dbg(&sep->pdev->dev, "static pool: physical %x virtual %x\n", - (u32)static_pool_addr[1], - (u32)command_args.static_virt_address); - - /* Send the parameters to user application */ - if (copy_to_user((void __user *) arg, &command_args, - sizeof(struct stat_pool_addr_struct))) - return -EFAULT; + dev_dbg(&sep->pdev->dev, "static pool: physical %x\n", + (u32)static_pool_addr[1]); dev_dbg(&sep->pdev->dev, "sep_get_static_pool_addr_handler end\n"); @@ -3064,7 +3051,7 @@ static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) break; case SEP_IOCGETSTATICPOOLADDR: /* Get the physical and virtual addresses of the static pool */ - error = sep_get_static_pool_addr_handler(sep, arg); + error = sep_get_static_pool_addr_handler(sep); break; case SEP_IOCENDTRANSACTION: error = sep_end_transaction_handler(sep); diff --git a/drivers/staging/sep/sep_driver_api.h b/drivers/staging/sep/sep_driver_api.h index 1207722d8b6a..5508769fc5df 100644 --- a/drivers/staging/sep/sep_driver_api.h +++ b/drivers/staging/sep/sep_driver_api.h @@ -114,18 +114,6 @@ struct bld_syn_tab_struct { }; -/* - * command struct for static pool addresses - * Please note that this is a kernel virtual - * address; this will be removed at the next - * release of the Discretix middleware - */ -struct stat_pool_addr_struct { - /* virtual address of the static pool */ - aligned_u64 static_virt_address; -}; - - /* command struct for getting caller id value and address */ struct caller_id_struct { /* pid of the process */ @@ -275,7 +263,7 @@ struct sep_lli_entry { /* get the static pool area addersses (physical and virtual) */ #define SEP_IOCGETSTATICPOOLADDR \ - _IOR(SEP_IOC_MAGIC_NUMBER, 8, struct stat_pool_addr_struct) + _IO(SEP_IOC_MAGIC_NUMBER, 8) /* start sep command */ #define SEP_IOCSEPSTART \ |