From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pg1-x541.google.com ([2607:f8b0:4864:20::541]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gk1KG-0003y4-Pt for barebox@lists.infradead.org; Thu, 17 Jan 2019 06:38:59 +0000 Received: by mail-pg1-x541.google.com with SMTP id m1so3977680pgq.8 for ; Wed, 16 Jan 2019 22:38:52 -0800 (PST) From: Andrey Smirnov Date: Wed, 16 Jan 2019 22:38:30 -0800 Message-Id: <20190117063840.13674-3-andrew.smirnov@gmail.com> In-Reply-To: <20190117063840.13674-1-andrew.smirnov@gmail.com> References: <20190117063840.13674-1-andrew.smirnov@gmail.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 02/12] ARM: mmu: Simplify the use of dma_inv_range() To: barebox@lists.infradead.org Cc: Andrey Smirnov Simplify the use of dma_inv_range() by changing its signature to accept pointer to start of the data and data size. This change allows us to avoid a whole bunch of repetitive arithmetic currently done by all of the callers. Signed-off-by: Andrey Smirnov --- arch/arm/cpu/mmu.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm/cpu/mmu.c b/arch/arm/cpu/mmu.c index 2b7b9e30a..390ccc581 100644 --- a/arch/arm/cpu/mmu.c +++ b/arch/arm/cpu/mmu.c @@ -118,8 +118,11 @@ static void dma_flush_range(void *ptr, size_t size) outer_cache.flush_range(start, end); } -static void dma_inv_range(unsigned long start, unsigned long end) +static void dma_inv_range(void *ptr, size_t size) { + unsigned long start = (unsigned long)ptr; + unsigned long end = start + size; + if (outer_cache.inv_range) outer_cache.inv_range(start, end); __dma_inv_range(start, end); @@ -507,7 +510,7 @@ static void *dma_alloc_map(size_t size, dma_addr_t *dma_handle, unsigned flags) if (dma_handle) *dma_handle = (dma_addr_t)ret; - dma_inv_range((unsigned long)ret, (unsigned long)ret + size); + dma_inv_range(ret, size); arch_remap_range(ret, size, flags); @@ -536,7 +539,7 @@ void dma_sync_single_for_cpu(dma_addr_t address, size_t size, enum dma_data_direction dir) { if (dir != DMA_TO_DEVICE) - dma_inv_range(address, address + size); + dma_inv_range((void *)address, size); } void dma_sync_single_for_device(dma_addr_t address, size_t size, -- 2.20.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox