linux-kernel - [PATCH 18/39] mtd: nand: denali: move denali_read_page_raw() above denali_read

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 27 Nov 2016 03:06:04 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>
Subject: [PATCH 18/39] mtd: nand: denali: move denali_read_page_raw() above denali_read_page()

This will be needed in the next commit to call denali_read_page_raw()
from denali_read_page().

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/mtd/nand/denali.c | 76 +++++++++++++++++++++++------------------------
 1 file changed, 38 insertions(+), 38 deletions(-)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index c101e7f..f035dac 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1118,6 +1118,44 @@ static int denali_read_oob(struct mtd_info *mtd, struct nand_chip *chip,
 	return 0;
 }
 
+static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
+				u8 *buf, int oob_required, int page)
+{
+	struct denali_nand_info *denali = mtd_to_denali(mtd);
+	dma_addr_t addr = denali->buf.dma_buf;
+	size_t size = mtd->writesize + mtd->oobsize;
+	u32 irq_mask = INTR_STATUS__DMA_CMD_COMP;
+
+	if (page != denali->page) {
+		dev_err(denali->dev,
+			"IN %s: page %d is not equal to denali->page %d",
+			__func__, page, denali->page);
+		BUG();
+	}
+
+	setup_ecc_for_xfer(denali, false, oob_required ? true : false);
+	denali_enable_dma(denali, true);
+
+	dma_sync_single_for_device(denali->dev, addr, size, DMA_FROM_DEVICE);
+
+	clear_interrupts(denali);
+	denali_setup_dma(denali, DENALI_READ);
+
+	/* wait for operation to complete */
+	wait_for_irq(denali, irq_mask);
+
+	dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE);
+
+	denali_enable_dma(denali, false);
+
+	memcpy(buf, denali->buf.buf, mtd->writesize);
+	if (oob_required)
+		memcpy(chip->oob_poi, denali->buf.buf + mtd->writesize,
+		       mtd->oobsize);
+
+	return 0;
+}
+
 static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 			    u8 *buf, int oob_required, int page)
 {
@@ -1182,44 +1220,6 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 	return max_bitflips;
 }
 
-static int denali_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip,
-				u8 *buf, int oob_required, int page)
-{
-	struct denali_nand_info *denali = mtd_to_denali(mtd);
-	dma_addr_t addr = denali->buf.dma_buf;
-	size_t size = mtd->writesize + mtd->oobsize;
-	u32 irq_mask = INTR_STATUS__DMA_CMD_COMP;
-
-	if (page != denali->page) {
-		dev_err(denali->dev,
-			"IN %s: page %d is not equal to denali->page %d",
-			__func__, page, denali->page);
-		BUG();
-	}
-
-	setup_ecc_for_xfer(denali, false, oob_required ? true : false);
-	denali_enable_dma(denali, true);
-
-	dma_sync_single_for_device(denali->dev, addr, size, DMA_FROM_DEVICE);
-
-	clear_interrupts(denali);
-	denali_setup_dma(denali, DENALI_READ);
-
-	/* wait for operation to complete */
-	wait_for_irq(denali, irq_mask);
-
-	dma_sync_single_for_cpu(denali->dev, addr, size, DMA_FROM_DEVICE);
-
-	denali_enable_dma(denali, false);
-
-	memcpy(buf, denali->buf.buf, mtd->writesize);
-	if (oob_required)
-		memcpy(chip->oob_poi, denali->buf.buf + mtd->writesize,
-		       mtd->oobsize);
-
-	return 0;
-}
-
 static u8 denali_read_byte(struct mtd_info *mtd)
 {
 	struct denali_nand_info *denali = mtd_to_denali(mtd);
-- 
2.7.4