Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757634Ab0LJBHe (ORCPT ); Thu, 9 Dec 2010 20:07:34 -0500 Received: from mga03.intel.com ([143.182.124.21]:5875 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757455Ab0LJBHd (ORCPT ); Thu, 9 Dec 2010 20:07:33 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.59,322,1288594800"; d="scan'208";a="359656467" From: Mark Allyn To: linux-kernel@vger.kernel.org, greg@kroah.com, mark.a.allyn@intel.com, alan@linux.intel.com, dmitry.kasatkin@nokia.com Subject: [PATCH 01/11] sep: remove virtual address being passed to user space application Date: Thu, 9 Dec 2010 17:14:15 -0800 Message-Id: <1291943655-26558-1-git-send-email-mark.a.allyn@intel.com> X-Mailer: git-send-email 1.6.3.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3580 Lines: 98 Signed-off-by: Mark Allyn --- drivers/staging/sep/sep_driver.c | 23 +++++------------------ 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 f2c216d..a5c0443 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 1207722..5508769 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 { /* set the static pool area address and give to SEP (internal to driver) */ #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 \ -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/