From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout1.samsung.com ([203.254.224.24]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1Oop6e-0005C8-LD for linux-mtd@lists.infradead.org; Fri, 27 Aug 2010 02:55:53 +0000 Received: from epmmp2 (mailout1.samsung.com [203.254.224.24]) by mailout1.samsung.com (Sun Java(tm) System Messaging Server 7u3-15.01 64bit (built Feb 12 2010)) with ESMTP id <0L7S009I1IT13GE0@mailout1.samsung.com> for linux-mtd@lists.infradead.org; Fri, 27 Aug 2010 11:55:49 +0900 (KST) Received: from TNRNDGASPAPP1.tn.corp.samsungelectronics.net ([165.213.149.150]) by mmp2.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0L7S00N1UIT14S@mmp2.samsung.com> for linux-mtd@lists.infradead.org; Fri, 27 Aug 2010 11:55:50 +0900 (KST) Date: Fri, 27 Aug 2010 11:55:44 +0900 From: Kyungmin Park Subject: [PATCH 3/3] MTD: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs To: linux-mtd@lists.infradead.org Message-id: <20100827025544.GA10702@july> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline Cc: Artem.Bityutskiy@nokia.com, dwmw2@infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Kyungmin Park Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1 Signed-off-by: Kyungmin Park --- drivers/mtd/onenand/samsung.c | 5 ++--- 1 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mtd/onenand/samsung.c b/drivers/mtd/onenand/samsung.c index 69e48d0..7913a92 100644 --- a/drivers/mtd/onenand/samsung.c +++ b/drivers/mtd/onenand/samsung.c @@ -570,13 +570,12 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, unsigned char *buffer, int offset, size_t count) { struct onenand_chip *this = mtd->priv; - void __iomem *bufferram; void __iomem *p; void *buf = (void *) buffer; dma_addr_t dma_src, dma_dst; int err; - p = bufferram = this->base + area; + p = this->base + area; if (ONENAND_CURRENT_BUFFERRAM(this)) { if (area == ONENAND_DATARAM) p += this->writesize; @@ -620,7 +619,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, normal: if (count != mtd->writesize) { /* Copy the bufferram to memory to prevent unaligned access */ - memcpy(this->page_buf, bufferram, mtd->writesize); + memcpy(this->page_buf, p, mtd->writesize); p = this->page_buf + offset; } -- 1.5.3.3