Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757233Ab1CATqu (ORCPT ); Tue, 1 Mar 2011 14:46:50 -0500 Received: from na3sys009aog113.obsmtp.com ([74.125.149.209]:45044 "EHLO na3sys009aog113.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757195Ab1CATqt (ORCPT ); Tue, 1 Mar 2011 14:46:49 -0500 From: Fernando Guzman Lugo To: Cc: , , linux-omap@vger.kernel.org, , , Ramesh Gupta , Hari Kanigeri Subject: [PATCH] omap:iommu-added cache flushing operation for L2 cache Date: Tue, 1 Mar 2011 13:46:32 -0600 Message-Id: <1299008793-27428-1-git-send-email-fernando.lugo@ti.com> X-Mailer: git-send-email 1.7.0.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2162 Lines: 74 From: Ramesh Gupta Signed-off-by: Ramesh Gupta Signed-off-by: Hari Kanigeri --- arch/arm/plat-omap/iommu.c | 22 ++++++++-------------- 1 files changed, 8 insertions(+), 14 deletions(-) diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index e3eb038..aeb2c33 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -471,22 +471,15 @@ EXPORT_SYMBOL_GPL(foreach_iommu_device); */ static void flush_iopgd_range(u32 *first, u32 *last) { - /* FIXME: L2 cache should be taken care of if it exists */ - do { - asm("mcr p15, 0, %0, c7, c10, 1 @ flush_pgd" - : : "r" (first)); - first += L1_CACHE_BYTES / sizeof(*first); - } while (first <= last); + dmac_flush_range(first, last); + outer_flush_range(virt_to_phys(first), virt_to_phys(last)); } + static void flush_iopte_range(u32 *first, u32 *last) { - /* FIXME: L2 cache should be taken care of if it exists */ - do { - asm("mcr p15, 0, %0, c7, c10, 1 @ flush_pte" - : : "r" (first)); - first += L1_CACHE_BYTES / sizeof(*first); - } while (first <= last); + dmac_flush_range(first, last); + outer_flush_range(virt_to_phys(first), virt_to_phys(last)); } static void iopte_free(u32 *iopte) @@ -750,7 +743,7 @@ size_t iopgtable_clear_entry(struct iommu *obj, u32 da) } EXPORT_SYMBOL_GPL(iopgtable_clear_entry); -static void iopgtable_clear_entry_all(struct iommu *obj) +void iopgtable_clear_entry_all(struct iommu *obj) { int i; @@ -777,7 +770,7 @@ static void iopgtable_clear_entry_all(struct iommu *obj) spin_unlock(&obj->page_table_lock); } - +EXPORT_SYMBOL_GPL(iopgtable_clear_entry_all); /* * Device IOMMU generic operations */ @@ -1068,6 +1061,7 @@ static void iopte_cachep_ctor(void *iopte) clean_dcache_area(iopte, IOPTE_TABLE_SIZE); } + static int __init omap_iommu_init(void) { struct kmem_cache *p; -- 1.7.0.4 -- 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/