linux-kernel - [PATCH v3 2/3] mtd: rawnand: ams-delta: Stop using legacy .IOADDR

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]

Message-Id: <20181015194130.21764-2-jmkrzyszt@gmail.com>
Date:   Mon, 15 Oct 2018 21:41:29 +0200
From:   Janusz Krzysztofik <jmkrzyszt@...il.com>
To:     Boris Brezillon <boris.brezillon@...tlin.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Janusz Krzysztofik <jmkrzyszt@...il.com>
Subject: [PATCH v3 2/3] mtd: rawnand: ams-delta: Stop using legacy .IOADDR_R/W

Replace use of legacy .IOADDR_R/W with runtime calculations based on
priv->io_base.

Suggested-by: Boris Brezillon <boris.brezillon@...tlin.com>
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@...il.com>
Reviewed-by: Boris Brezillon <boris.brezillon@...tlin.com>
---
Changelog:
v3:
New patch, split out from former PATCH 2/2 on Boris request - thanks

 drivers/mtd/nand/raw/ams-delta.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/ams-delta.c b/drivers/mtd/nand/raw/ams-delta.c
index 5ba180a291eb..46193db6d368 100644
--- a/drivers/mtd/nand/raw/ams-delta.c
+++ b/drivers/mtd/nand/raw/ams-delta.c
@@ -75,7 +75,7 @@ static const struct mtd_partition partition_info[] = {
 
 static void ams_delta_io_write(struct ams_delta_nand *priv, u_char byte)
 {
-	writew(byte, priv->nand_chip.legacy.IO_ADDR_W);
+	writew(byte, priv->io_base + OMAP_MPUIO_OUTPUT);
 	gpiod_set_value(priv->gpiod_nwe, 0);
 	ndelay(40);
 	gpiod_set_value(priv->gpiod_nwe, 1);
@@ -87,7 +87,7 @@ static u_char ams_delta_io_read(struct ams_delta_nand *priv)
 
 	gpiod_set_value(priv->gpiod_nre, 0);
 	ndelay(40);
-	res = readw(priv->nand_chip.legacy.IO_ADDR_R);
+	res = readw(priv->io_base + OMAP_MPUIO_INPUT_LATCH);
 	gpiod_set_value(priv->gpiod_nre, 1);
 
 	return res;
@@ -211,8 +211,6 @@ static int ams_delta_init(struct platform_device *pdev)
 	nand_set_controller_data(this, priv);
 
 	/* Set address of NAND IO lines */
-	this->legacy.IO_ADDR_R = io_base + OMAP_MPUIO_INPUT_LATCH;
-	this->legacy.IO_ADDR_W = io_base + OMAP_MPUIO_OUTPUT;
 	this->legacy.read_byte = ams_delta_read_byte;
 	this->legacy.write_buf = ams_delta_write_buf;
 	this->legacy.read_buf = ams_delta_read_buf;
-- 
2.16.4