From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-x244.google.com ([2607:f8b0:400e:c00::244]) by merlin.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fJQ04-0004w0-Le for barebox@lists.infradead.org; Thu, 17 May 2018 20:59:50 +0000 Received: by mail-pf0-x244.google.com with SMTP id a14-v6so2666835pfi.1 for ; Thu, 17 May 2018 13:59:35 -0700 (PDT) From: Andrey Smirnov Date: Thu, 17 May 2018 13:58:33 -0700 Message-Id: <20180517205837.32421-25-andrew.smirnov@gmail.com> In-Reply-To: <20180517205837.32421-1-andrew.smirnov@gmail.com> References: <20180517205837.32421-1-andrew.smirnov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v3 24/28] ARM: mmu: Use find_pte() to find PTE in create_vector_table() To: barebox@lists.infradead.org Cc: Andrey Smirnov There's already a function that implement necessary arithemtic to find offset within page table for a given address, so make use of it instead of re-implementing it again. Signed-off-by: Andrey Smirnov --- arch/arm/cpu/mmu.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 21394deb1..f9e4d1a50 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -272,8 +272,7 @@ static void create_vector_table(unsigned long adr) { struct resource *vectors_sdram; void *vectors; - u32 *exc; - int idx; + u32 *pte; vectors_sdram = request_sdram_region("vector table", adr, PAGE_SIZE); if (vectors_sdram) { @@ -293,9 +292,9 @@ static void create_vector_table(unsigned long adr) vectors = xmemalign(PAGE_SIZE, PAGE_SIZE); pr_debug("Creating vector table, virt = 0x%p, phys = 0x%08lx\n", vectors, adr); - exc = arm_create_pte(adr, pte_flags_uncached); - idx = (adr & (PGDIR_SIZE - 1)) >> PAGE_SHIFT; - exc[idx] = (u32)vectors | PTE_TYPE_SMALL | pte_flags_cached; + arm_create_pte(adr, pte_flags_uncached); + pte = find_pte(adr); + *pte = (u32)vectors | PTE_TYPE_SMALL | pte_flags_cached; } arm_fixup_vectors(); -- 2.17.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox