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-rw-r--r--drivers/mtd/bcm47xxpart.c6
-rw-r--r--drivers/mtd/maps/impa7.c5
-rw-r--r--drivers/mtd/maps/lantiq-flash.c4
-rw-r--r--drivers/mtd/maps/pci.c5
-rw-r--r--drivers/mtd/maps/pxa2xx-flash.c5
-rw-r--r--drivers/mtd/maps/rbtx4939-flash.c5
-rw-r--r--drivers/mtd/maps/vmu-flash.c4
-rw-r--r--drivers/mtd/nand/onenand/generic.c5
-rw-r--r--drivers/mtd/nand/onenand/onenand_base.c5
-rw-r--r--drivers/mtd/nand/onenand/samsung.c5
-rw-r--r--drivers/mtd/nand/onenand/samsung.h5
-rw-r--r--drivers/mtd/nand/raw/au1550nd.c6
-rw-r--r--drivers/mtd/nand/raw/bcm47xxnflash/main.c6
-rw-r--r--drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c6
-rw-r--r--drivers/mtd/nand/raw/cmx270_nand.c6
-rw-r--r--drivers/mtd/nand/raw/cs553x_nand.c6
-rw-r--r--drivers/mtd/nand/raw/gpio.c6
-rw-r--r--drivers/mtd/nand/raw/ingenic/Kconfig2
-rw-r--r--drivers/mtd/nand/raw/ingenic/Makefile4
-rw-r--r--drivers/mtd/nand/raw/ingenic/ingenic_ecc.c9
-rw-r--r--drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c (renamed from drivers/mtd/nand/raw/ingenic/ingenic_nand.c)0
-rw-r--r--drivers/mtd/nand/raw/mtk_ecc.h4
-rw-r--r--drivers/mtd/nand/raw/nand_base.c9
-rw-r--r--drivers/mtd/nand/raw/nand_bbt.c6
-rw-r--r--drivers/mtd/nand/raw/nand_ids.c6
-rw-r--r--drivers/mtd/nand/raw/nand_timings.c6
-rw-r--r--drivers/mtd/nand/raw/omap2.c5
-rw-r--r--drivers/mtd/nand/raw/oxnas_nand.c6
-rw-r--r--drivers/mtd/nand/raw/plat_nand.c6
-rw-r--r--drivers/mtd/nand/raw/r852.c5
-rw-r--r--drivers/mtd/nand/raw/r852.h5
-rw-r--r--drivers/mtd/nand/raw/sharpsl.c6
-rw-r--r--drivers/mtd/nand/raw/sm_common.c5
-rw-r--r--drivers/mtd/nand/raw/sm_common.h5
-rw-r--r--drivers/mtd/nand/raw/socrates_nand.c7
-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c40
-rw-r--r--drivers/mtd/nand/raw/tango_nand.c5
-rw-r--r--drivers/mtd/nand/raw/txx9ndfmc.c5
-rw-r--r--drivers/mtd/nand/raw/xway_nand.c4
-rw-r--r--drivers/mtd/nand/spi/gigadevice.c2
-rw-r--r--drivers/mtd/nand/spi/macronix.c4
-rw-r--r--drivers/mtd/parsers/parser_trx.c6
-rw-r--r--drivers/mtd/sm_ftl.c5
-rw-r--r--drivers/mtd/sm_ftl.h5
-rw-r--r--drivers/mtd/spi-nor/intel-spi-pci.c5
-rw-r--r--drivers/mtd/spi-nor/intel-spi-platform.c5
-rw-r--r--drivers/mtd/spi-nor/intel-spi.c5
-rw-r--r--drivers/mtd/spi-nor/intel-spi.h5
-rw-r--r--drivers/mtd/spi-nor/nxp-spifi.c6
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c119
-rw-r--r--drivers/mtd/spi-nor/stm32-quadspi.c15
-rw-r--r--drivers/mtd/ssfdc.c5
52 files changed, 176 insertions, 251 deletions
diff --git a/drivers/mtd/bcm47xxpart.c b/drivers/mtd/bcm47xxpart.c
index fc424b185b08..6012a10f10c8 100644
--- a/drivers/mtd/bcm47xxpart.c
+++ b/drivers/mtd/bcm47xxpart.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* BCM47XX MTD partitioning
*
* Copyright © 2012 Rafał Miłecki <zajec5@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/bcm47xx_nvram.h>
diff --git a/drivers/mtd/maps/impa7.c b/drivers/mtd/maps/impa7.c
index 815e2db87955..b41401852fb7 100644
--- a/drivers/mtd/maps/impa7.c
+++ b/drivers/mtd/maps/impa7.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Handle mapping of the NOR flash on implementa A7 boards
*
* Copyright 2002 SYSGO Real-Time Solutions GmbH
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/mtd/maps/lantiq-flash.c b/drivers/mtd/maps/lantiq-flash.c
index 77b1d8013295..67a1dbfdd72c 100644
--- a/drivers/mtd/maps/lantiq-flash.c
+++ b/drivers/mtd/maps/lantiq-flash.c
@@ -1,7 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*
* Copyright (C) 2004 Liu Peng Infineon IFAP DC COM CPE
* Copyright (C) 2010 John Crispin <john@phrozen.org>
diff --git a/drivers/mtd/maps/pci.c b/drivers/mtd/maps/pci.c
index 7b3bb40aff72..9a49f8a06fb8 100644
--- a/drivers/mtd/maps/pci.c
+++ b/drivers/mtd/maps/pci.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/mtd/maps/pci.c
*
* Copyright (C) 2001 Russell King, All rights reserved.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Generic PCI memory map driver. We support the following boards:
* - Intel IQ80310 ATU.
* - Intel EBSA285 (blank rom programming mode). Tested working 27/09/2001
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 2cde28ed95c9..cebb346877a9 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Map driver for Intel XScale PXA2xx platforms.
*
* Author: Nicolas Pitre
* Copyright: (C) 2001 MontaVista Software Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
diff --git a/drivers/mtd/maps/rbtx4939-flash.c b/drivers/mtd/maps/rbtx4939-flash.c
index 80a187167c92..39c86c0b0ec1 100644
--- a/drivers/mtd/maps/rbtx4939-flash.c
+++ b/drivers/mtd/maps/rbtx4939-flash.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* rbtx4939-flash (based on physmap.c)
*
* This is a simplified physmap driver with map_init callback function.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Copyright (C) 2009 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
*/
diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c
index c5d4b6589488..177bf134e189 100644
--- a/drivers/mtd/maps/vmu-flash.c
+++ b/drivers/mtd/maps/vmu-flash.c
@@ -1,11 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* vmu-flash.c
* Driver for SEGA Dreamcast Visual Memory Unit
*
* Copyright (c) Adrian McMenamin 2002 - 2009
* Copyright (c) Paul Mundt 2001
- *
- * Licensed under version 2 of the
- * GNU General Public Licence
*/
#include <linux/init.h>
#include <linux/slab.h>
diff --git a/drivers/mtd/nand/onenand/generic.c b/drivers/mtd/nand/onenand/generic.c
index acad17ec6581..8b6f4da5d720 100644
--- a/drivers/mtd/nand/onenand/generic.c
+++ b/drivers/mtd/nand/onenand/generic.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2005 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Overview:
* This is a device driver for the OneNAND flash for generic boards.
*/
diff --git a/drivers/mtd/nand/onenand/onenand_base.c b/drivers/mtd/nand/onenand/onenand_base.c
index f41d76248550..d759c02d9cb2 100644
--- a/drivers/mtd/nand/onenand/onenand_base.c
+++ b/drivers/mtd/nand/onenand/onenand_base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2005-2009 Samsung Electronics
* Copyright © 2007 Nokia Corporation
@@ -12,10 +13,6 @@
* Flex-OneNAND support
* Amul Kumar Saha <amul.saha at samsung.com>
* OTP support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
diff --git a/drivers/mtd/nand/onenand/samsung.c b/drivers/mtd/nand/onenand/samsung.c
index e64d0fdf7eb5..55e5536a5850 100644
--- a/drivers/mtd/nand/onenand/samsung.c
+++ b/drivers/mtd/nand/onenand/samsung.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Samsung S3C64XX/S5PC1XX OneNAND driver
*
@@ -5,10 +6,6 @@
* Kyungmin Park <kyungmin.park@samsung.com>
* Marek Szyprowski <m.szyprowski@samsung.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Implementation:
* S3C64XX: emulate the pseudo BufferRAM
* S5PC110: use DMA
diff --git a/drivers/mtd/nand/onenand/samsung.h b/drivers/mtd/nand/onenand/samsung.h
index 9016dc0136a8..892bbb6ca4fe 100644
--- a/drivers/mtd/nand/onenand/samsung.h
+++ b/drivers/mtd/nand/onenand/samsung.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2008-2010 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef __SAMSUNG_ONENAND_H__
#define __SAMSUNG_ONENAND_H__
diff --git a/drivers/mtd/nand/raw/au1550nd.c b/drivers/mtd/nand/raw/au1550nd.c
index a963002663ed..97a97a9ccc36 100644
--- a/drivers/mtd/nand/raw/au1550nd.c
+++ b/drivers/mtd/nand/raw/au1550nd.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2004 Embedded Edge, LLC
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/slab.h>
diff --git a/drivers/mtd/nand/raw/bcm47xxnflash/main.c b/drivers/mtd/nand/raw/bcm47xxnflash/main.c
index d79694160845..8dae97c1dbe7 100644
--- a/drivers/mtd/nand/raw/bcm47xxnflash/main.c
+++ b/drivers/mtd/nand/raw/bcm47xxnflash/main.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* BCM47XX NAND flash driver
*
* Copyright (C) 2012 Rafał Miłecki <zajec5@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include "bcm47xxnflash.h"
diff --git a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
index a53ffb3d64b0..591775173034 100644
--- a/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
+++ b/drivers/mtd/nand/raw/bcm47xxnflash/ops_bcm4706.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* BCM47XX NAND flash driver
*
* Copyright (C) 2012 Rafał Miłecki <zajec5@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include "bcm47xxnflash.h"
diff --git a/drivers/mtd/nand/raw/cmx270_nand.c b/drivers/mtd/nand/raw/cmx270_nand.c
index 143e4acacaae..045b6175ae79 100644
--- a/drivers/mtd/nand/raw/cmx270_nand.c
+++ b/drivers/mtd/nand/raw/cmx270_nand.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2006 Compulab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
@@ -6,11 +7,6 @@
* Copyright (C) 2002 Marius Gröger (mag@sysgo.de)
* Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
*
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Overview:
* This is a device driver for the NAND flash device found on the
* CM-X270 board.
diff --git a/drivers/mtd/nand/raw/cs553x_nand.c b/drivers/mtd/nand/raw/cs553x_nand.c
index c6f578aff5d9..e2322cee3229 100644
--- a/drivers/mtd/nand/raw/cs553x_nand.c
+++ b/drivers/mtd/nand/raw/cs553x_nand.c
@@ -1,19 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2005, 2006 Red Hat Inc.
*
* Author: David Woodhouse <dwmw2@infradead.org>
* Tom Sylla <tom.sylla@amd.com>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Overview:
* This is a device driver for the NAND flash controller found on
* the AMD CS5535/CS5536 companion chipsets for the Geode processor.
* mtd-id for command line partitioning is cs553x_nand_cs[0-3]
* where 0-3 reflects the chip select for NAND.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/mtd/nand/raw/gpio.c b/drivers/mtd/nand/raw/gpio.c
index a6c9a824a7d4..f6b12354024f 100644
--- a/drivers/mtd/nand/raw/gpio.c
+++ b/drivers/mtd/nand/raw/gpio.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Updated, and converted to generic GPIO based driver by Russell King.
*
@@ -9,11 +10,6 @@
* Device driver for NAND flash that uses a memory mapped interface to
* read/write the NAND commands and data, and GPIO pins for control signals
* (the DT binding refers to this as "GPIO assisted NAND flash")
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/kernel.h>
diff --git a/drivers/mtd/nand/raw/ingenic/Kconfig b/drivers/mtd/nand/raw/ingenic/Kconfig
index 19a96ce515c1..66b7cffdb0c2 100644
--- a/drivers/mtd/nand/raw/ingenic/Kconfig
+++ b/drivers/mtd/nand/raw/ingenic/Kconfig
@@ -16,7 +16,7 @@ config MTD_NAND_JZ4780
if MTD_NAND_JZ4780
config MTD_NAND_INGENIC_ECC
- tristate
+ bool
config MTD_NAND_JZ4740_ECC
tristate "Hardware BCH support for JZ4740 SoC"
diff --git a/drivers/mtd/nand/raw/ingenic/Makefile b/drivers/mtd/nand/raw/ingenic/Makefile
index 1ac4f455baea..b63d36889263 100644
--- a/drivers/mtd/nand/raw/ingenic/Makefile
+++ b/drivers/mtd/nand/raw/ingenic/Makefile
@@ -2,7 +2,9 @@
obj-$(CONFIG_MTD_NAND_JZ4740) += jz4740_nand.o
obj-$(CONFIG_MTD_NAND_JZ4780) += ingenic_nand.o
-obj-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o
+ingenic_nand-y += ingenic_nand_drv.o
+ingenic_nand-$(CONFIG_MTD_NAND_INGENIC_ECC) += ingenic_ecc.o
+
obj-$(CONFIG_MTD_NAND_JZ4740_ECC) += jz4740_ecc.o
obj-$(CONFIG_MTD_NAND_JZ4725B_BCH) += jz4725b_bch.o
obj-$(CONFIG_MTD_NAND_JZ4780_BCH) += jz4780_bch.o
diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
index d3e085c5685a..c954189606f6 100644
--- a/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_ecc.c
@@ -30,7 +30,6 @@ int ingenic_ecc_calculate(struct ingenic_ecc *ecc,
{
return ecc->ops->calculate(ecc, params, buf, ecc_code);
}
-EXPORT_SYMBOL(ingenic_ecc_calculate);
/**
* ingenic_ecc_correct() - detect and correct bit errors
@@ -51,7 +50,6 @@ int ingenic_ecc_correct(struct ingenic_ecc *ecc,
{
return ecc->ops->correct(ecc, params, buf, ecc_code);
}
-EXPORT_SYMBOL(ingenic_ecc_correct);
/**
* ingenic_ecc_get() - get the ECC controller device
@@ -111,7 +109,6 @@ struct ingenic_ecc *of_ingenic_ecc_get(struct device_node *of_node)
}
return ecc;
}
-EXPORT_SYMBOL(of_ingenic_ecc_get);
/**
* ingenic_ecc_release() - release the ECC controller device
@@ -122,7 +119,6 @@ void ingenic_ecc_release(struct ingenic_ecc *ecc)
clk_disable_unprepare(ecc->clk);
put_device(ecc->dev);
}
-EXPORT_SYMBOL(ingenic_ecc_release);
int ingenic_ecc_probe(struct platform_device *pdev)
{
@@ -159,8 +155,3 @@ int ingenic_ecc_probe(struct platform_device *pdev)
return 0;
}
EXPORT_SYMBOL(ingenic_ecc_probe);
-
-MODULE_AUTHOR("Alex Smith <alex@alex-smith.me.uk>");
-MODULE_AUTHOR("Harvey Hunt <harveyhuntnexus@gmail.com>");
-MODULE_DESCRIPTION("Ingenic ECC common driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
index d7b7c0f13909..d7b7c0f13909 100644
--- a/drivers/mtd/nand/raw/ingenic/ingenic_nand.c
+++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c
diff --git a/drivers/mtd/nand/raw/mtk_ecc.h b/drivers/mtd/nand/raw/mtk_ecc.h
index a455df080952..aa52e94c771d 100644
--- a/drivers/mtd/nand/raw/mtk_ecc.h
+++ b/drivers/mtd/nand/raw/mtk_ecc.h
@@ -1,12 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* MTK SDG1 ECC controller
*
* Copyright (c) 2016 Mediatek
* Authors: Xiaolei Li <xiaolei.li@mediatek.com>
* Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*/
#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 2cf71060d6f8..6eb131292eb2 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Overview:
* This is the generic MTD driver for NAND flash devices. It should be
@@ -20,11 +21,6 @@
* Check, if mtd->ecctype should be set to MTD_ECC_HW
* if we have HW ECC support.
* BBT table is not serialized, has to be fixed
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -4666,7 +4662,6 @@ static int nand_detect(struct nand_chip *chip, struct nand_flash_dev *type)
memorg = nanddev_get_memorg(&chip->base);
memorg->planes_per_lun = 1;
memorg->luns_per_target = 1;
- memorg->ntargets = 1;
/*
* Reset the chip, required by some chips (e.g. Micron MT29FxGxxxxx)
@@ -5031,6 +5026,8 @@ static int nand_scan_ident(struct nand_chip *chip, unsigned int maxchips,
if (ret)
return ret;
+ memorg->ntargets = maxchips;
+
/* Read the flash type */
ret = nand_detect(chip, table);
if (ret) {
diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c
index fd3c10216eda..2ef15ef94525 100644
--- a/drivers/mtd/nand/raw/nand_bbt.c
+++ b/drivers/mtd/nand/raw/nand_bbt.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Overview:
* Bad block table support for the NAND driver
*
* Copyright © 2004 Thomas Gleixner (tglx@linutronix.de)
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* Description:
*
* When nand_scan_bbt is called, then it tries to find the bad block table
@@ -54,7 +51,6 @@
* Following assumptions are made:
* - bbts start at a page boundary, if autolocated on a block boundary
* - the space necessary for a bbt in FLASH does not exceed a block boundary
- *
*/
#include <linux/slab.h>
diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c
index ea5a342cd91e..ba27902fc54b 100644
--- a/drivers/mtd/nand/raw/nand_ids.c
+++ b/drivers/mtd/nand/raw/nand_ids.c
@@ -1,10 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2002 Thomas Gleixner (tglx@linutronix.de)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/sizes.h>
diff --git a/drivers/mtd/nand/raw/nand_timings.c b/drivers/mtd/nand/raw/nand_timings.c
index bea3062d71d6..f64b06a71dfa 100644
--- a/drivers/mtd/nand/raw/nand_timings.c
+++ b/drivers/mtd/nand/raw/nand_timings.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2014 Free Electrons
*
* Author: Boris BREZILLON <boris.brezillon@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/kernel.h>
#include <linux/err.h>
diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index a9a275342a41..8d881a28140e 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2004 Texas Instruments, Jian Zhang <jzhang@ti.com>
* Copyright © 2004 Micron Technology Inc.
* Copyright © 2004 David Brownell
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
diff --git a/drivers/mtd/nand/raw/oxnas_nand.c b/drivers/mtd/nand/raw/oxnas_nand.c
index 0e52dc29141c..30c51f772de6 100644
--- a/drivers/mtd/nand/raw/oxnas_nand.c
+++ b/drivers/mtd/nand/raw/oxnas_nand.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Oxford Semiconductor OXNAS NAND driver
@@ -6,11 +7,6 @@
* Author: Vitaly Wool <vitalywool@gmail.com>
* Copyright (C) 2013 Ma Haijun <mahaijuns@gmail.com>
* Copyright (C) 2012 John Crispin <blogic@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/err.h>
diff --git a/drivers/mtd/nand/raw/plat_nand.c b/drivers/mtd/nand/raw/plat_nand.c
index a994b76daa50..dc0f3074ddbf 100644
--- a/drivers/mtd/nand/raw/plat_nand.c
+++ b/drivers/mtd/nand/raw/plat_nand.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic NAND driver
*
* Author: Vitaly Wool <vitalywool@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/err.h>
diff --git a/drivers/mtd/nand/raw/r852.c b/drivers/mtd/nand/raw/r852.c
index 7b99831aa046..dae0d235bb17 100644
--- a/drivers/mtd/nand/raw/r852.c
+++ b/drivers/mtd/nand/raw/r852.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2009 - Maxim Levitsky
* driver for Ricoh xD readers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#define DRV_NAME "r852"
diff --git a/drivers/mtd/nand/raw/r852.h b/drivers/mtd/nand/raw/r852.h
index bc67f5bf67e8..e9ce299c499d 100644
--- a/drivers/mtd/nand/raw/r852.h
+++ b/drivers/mtd/nand/raw/r852.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright © 2009 - Maxim Levitsky
* driver for Ricoh xD readers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/pci.h>
diff --git a/drivers/mtd/nand/raw/sharpsl.c b/drivers/mtd/nand/raw/sharpsl.c
index c82f26c8b58c..b47a9eaff89b 100644
--- a/drivers/mtd/nand/raw/sharpsl.c
+++ b/drivers/mtd/nand/raw/sharpsl.c
@@ -1,13 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2004 Richard Purdie
* Copyright (C) 2008 Dmitry Baryshkov
*
* Based on Sharp's NAND driver sharp_sl.c
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/genhd.h>
diff --git a/drivers/mtd/nand/raw/sm_common.c b/drivers/mtd/nand/raw/sm_common.c
index 409d036858dc..ba24cb36d0b9 100644
--- a/drivers/mtd/nand/raw/sm_common.c
+++ b/drivers/mtd/nand/raw/sm_common.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2009 - Maxim Levitsky
* Common routines & support for xD format
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/mtd/rawnand.h>
diff --git a/drivers/mtd/nand/raw/sm_common.h b/drivers/mtd/nand/raw/sm_common.h
index 1581671b05ae..57fc9f86f9ee 100644
--- a/drivers/mtd/nand/raw/sm_common.h
+++ b/drivers/mtd/nand/raw/sm_common.h
@@ -1,10 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright © 2009 - Maxim Levitsky
* Common routines & support for SmartMedia/xD format
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/bitops.h>
#include <linux/mtd/mtd.h>
diff --git a/drivers/mtd/nand/raw/socrates_nand.c b/drivers/mtd/nand/raw/socrates_nand.c
index 8be9a50c7880..20f40c0e812c 100644
--- a/drivers/mtd/nand/raw/socrates_nand.c
+++ b/drivers/mtd/nand/raw/socrates_nand.c
@@ -1,11 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2008 Ilya Yanok, Emcraft Systems
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/slab.h>
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index b021a5720b42..89773293c64d 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -51,6 +51,7 @@
#define NFC_REG_USER_DATA(x) (0x0050 + ((x) * 4))
#define NFC_REG_SPARE_AREA 0x00A0
#define NFC_REG_PAT_ID 0x00A4
+#define NFC_REG_MDMA_CNT 0x00C4
#define NFC_RAM0_BASE 0x0400
#define NFC_RAM1_BASE 0x0800
@@ -69,6 +70,7 @@
#define NFC_PAGE_SHIFT(x) (((x) < 10 ? 0 : (x) - 10) << 8)
#define NFC_SAM BIT(12)
#define NFC_RAM_METHOD BIT(14)
+#define NFC_DMA_TYPE_NORMAL BIT(15)
#define NFC_DEBUG_CTL BIT(31)
/* define bit use in NFC_ST */
@@ -205,14 +207,13 @@ static inline struct sunxi_nand_chip *to_sunxi_nand(struct nand_chip *nand)
* NAND Controller capabilities structure: stores NAND controller capabilities
* for distinction between compatible strings.
*
- * @sram_through_ahb: On A23, we choose to access the internal RAM through AHB
- * instead of MBUS (less configuration). A10, A10s, A13 and
- * A20 use the MBUS but no extra configuration is needed.
+ * @extra_mbus_conf: Contrary to A10, A10s and A13, accessing internal RAM
+ * through MBUS on A23/A33 needs extra configuration.
* @reg_io_data: I/O data register
* @dma_maxburst: DMA maxburst
*/
struct sunxi_nfc_caps {
- bool sram_through_ahb;
+ bool extra_mbus_conf;
unsigned int reg_io_data;
unsigned int dma_maxburst;
};
@@ -368,28 +369,12 @@ static int sunxi_nfc_dma_op_prepare(struct sunxi_nfc *nfc, const void *buf,
goto err_unmap_buf;
}
- /*
- * On A23, we suppose the "internal RAM" (p.12 of the NFC user manual)
- * refers to the NAND controller's internal SRAM. This memory is mapped
- * and so is accessible from the AHB. It seems that it can also be
- * accessed by the MBUS. MBUS accesses are mandatory when using the
- * internal DMA instead of the external DMA engine.
- *
- * During DMA I/O operation, either we access this memory from the AHB
- * by clearing the NFC_RAM_METHOD bit, or we set the bit and use the
- * MBUS. In this case, we should also configure the MBUS DMA length
- * NFC_REG_MDMA_CNT(0xC4) to be chunksize * nchunks. NAND I/O over MBUS
- * are also limited to 32kiB pages.
- */
- if (nfc->caps->sram_through_ahb)
- writel(readl(nfc->regs + NFC_REG_CTL) & ~NFC_RAM_METHOD,
- nfc->regs + NFC_REG_CTL);
- else
- writel(readl(nfc->regs + NFC_REG_CTL) | NFC_RAM_METHOD,
- nfc->regs + NFC_REG_CTL);
-
+ writel(readl(nfc->regs + NFC_REG_CTL) | NFC_RAM_METHOD,
+ nfc->regs + NFC_REG_CTL);
writel(nchunks, nfc->regs + NFC_REG_SECTOR_NUM);
writel(chunksize, nfc->regs + NFC_REG_CNT);
+ if (nfc->caps->extra_mbus_conf)
+ writel(chunksize * nchunks, nfc->regs + NFC_REG_MDMA_CNT);
dmat = dmaengine_submit(dmad);
@@ -2151,6 +2136,11 @@ static int sunxi_nfc_probe(struct platform_device *pdev)
dmac_cfg.src_maxburst = nfc->caps->dma_maxburst;
dmac_cfg.dst_maxburst = nfc->caps->dma_maxburst;
dmaengine_slave_config(nfc->dmac, &dmac_cfg);
+
+ if (nfc->caps->extra_mbus_conf)
+ writel(readl(nfc->regs + NFC_REG_CTL) |
+ NFC_DMA_TYPE_NORMAL, nfc->regs + NFC_REG_CTL);
+
} else {
dev_warn(dev, "failed to request rxtx DMA channel\n");
}
@@ -2200,7 +2190,7 @@ static const struct sunxi_nfc_caps sunxi_nfc_a10_caps = {
};
static const struct sunxi_nfc_caps sunxi_nfc_a23_caps = {
- .sram_through_ahb = true,
+ .extra_mbus_conf = true,
.reg_io_data = NFC_REG_A23_IO_DATA,
.dma_maxburst = 8,
};
diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c
index cb3beda88789..b3f2cabcc7c0 100644
--- a/drivers/mtd/nand/raw/tango_nand.c
+++ b/drivers/mtd/nand/raw/tango_nand.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Sigma Designs
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
*/
#include <linux/io.h>
diff --git a/drivers/mtd/nand/raw/txx9ndfmc.c b/drivers/mtd/nand/raw/txx9ndfmc.c
index 97978227aa55..2642d5bb3241 100644
--- a/drivers/mtd/nand/raw/txx9ndfmc.c
+++ b/drivers/mtd/nand/raw/txx9ndfmc.c
@@ -1,11 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* TXx9 NAND flash memory controller driver
* Based on RBTX49xx patch from CELF patch archive.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
* (C) Copyright TOSHIBA CORPORATION 2004-2007
* All Rights Reserved.
*/
diff --git a/drivers/mtd/nand/raw/xway_nand.c b/drivers/mtd/nand/raw/xway_nand.c
index 4cb78106af14..834f794816a9 100644
--- a/drivers/mtd/nand/raw/xway_nand.c
+++ b/drivers/mtd/nand/raw/xway_nand.c
@@ -1,7 +1,5 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
*
* Copyright © 2012 John Crispin <john@phrozen.org>
* Copyright © 2016 Hauke Mehrtens <hauke@hauke-m.de>
diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c
index e5586390026a..e6c646007cda 100644
--- a/drivers/mtd/nand/spi/gigadevice.c
+++ b/drivers/mtd/nand/spi/gigadevice.c
@@ -180,7 +180,7 @@ static const struct spinand_info gigadevice_spinand_table[] = {
SPINAND_ECCINFO(&gd5fxgq4xa_ooblayout,
gd5fxgq4xa_ecc_get_status)),
SPINAND_INFO("GD5F4GQ4xA", 0xF4,
- NAND_MEMORG(1, 2048, 64, 64, 4096, 40, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 4096, 80, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c
index 6502727049a8..21def3f8fb36 100644
--- a/drivers/mtd/nand/spi/macronix.c
+++ b/drivers/mtd/nand/spi/macronix.c
@@ -100,7 +100,7 @@ static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand,
static const struct spinand_info macronix_spinand_table[] = {
SPINAND_INFO("MX35LF1GE4AB", 0x12,
- NAND_MEMORG(1, 2048, 64, 64, 1024, 40, 1, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
@@ -109,7 +109,7 @@ static const struct spinand_info macronix_spinand_table[] = {
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35LF2GE4AB", 0x22,
- NAND_MEMORG(1, 2048, 64, 64, 2048, 20, 2, 1, 1),
+ NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
diff --git a/drivers/mtd/parsers/parser_trx.c b/drivers/mtd/parsers/parser_trx.c
index 4a89a68622fe..8541182134d4 100644
--- a/drivers/mtd/parsers/parser_trx.c
+++ b/drivers/mtd/parsers/parser_trx.c
@@ -1,12 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Parser for TRX format partitions
*
* Copyright (C) 2012 - 2017 Rafał Miłecki <rafal@milecki.pl>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/module.h>
diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c
index e0955a98a0f4..dfc47a444b90 100644
--- a/drivers/mtd/sm_ftl.c
+++ b/drivers/mtd/sm_ftl.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2009 - Maxim Levitsky
* SmartMedia/xD translation layer
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>
diff --git a/drivers/mtd/sm_ftl.h b/drivers/mtd/sm_ftl.h
index 0a46d75cdc6a..6aed8b60de16 100644
--- a/drivers/mtd/sm_ftl.h
+++ b/drivers/mtd/sm_ftl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright © 2009 - Maxim Levitsky
* SmartMedia/xD translation layer
@@ -5,10 +6,6 @@
* Based loosly on ssfdc.c which is
* © 2005 Eptar srl
* Author: Claudio Lanconelli <lanconelli.claudio@eptar.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/mtd/blktrans.h>
diff --git a/drivers/mtd/spi-nor/intel-spi-pci.c b/drivers/mtd/spi-nor/intel-spi-pci.c
index bfbfc17ed6aa..5e2344768d53 100644
--- a/drivers/mtd/spi-nor/intel-spi-pci.c
+++ b/drivers/mtd/spi-nor/intel-spi-pci.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel PCH/PCU SPI flash PCI driver.
*
* Copyright (C) 2016, Intel Corporation
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/ioport.h>
diff --git a/drivers/mtd/spi-nor/intel-spi-platform.c b/drivers/mtd/spi-nor/intel-spi-platform.c
index 5c943df9398f..f80f1086f928 100644
--- a/drivers/mtd/spi-nor/intel-spi-platform.c
+++ b/drivers/mtd/spi-nor/intel-spi-platform.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel PCH/PCU SPI flash platform driver.
*
* Copyright (C) 2016, Intel Corporation
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/ioport.h>
diff --git a/drivers/mtd/spi-nor/intel-spi.c b/drivers/mtd/spi-nor/intel-spi.c
index d60cbf23d9aa..1ccf23fe7e4b 100644
--- a/drivers/mtd/spi-nor/intel-spi.c
+++ b/drivers/mtd/spi-nor/intel-spi.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Intel PCH/PCU SPI flash driver.
*
* Copyright (C) 2016, Intel Corporation
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/err.h>
diff --git a/drivers/mtd/spi-nor/intel-spi.h b/drivers/mtd/spi-nor/intel-spi.h
index 5ab7dc250050..e2f41b8827bf 100644
--- a/drivers/mtd/spi-nor/intel-spi.h
+++ b/drivers/mtd/spi-nor/intel-spi.h
@@ -1,12 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Intel PCH/PCU SPI flash driver.
*
* Copyright (C) 2016, Intel Corporation
* Author: Mika Westerberg <mika.westerberg@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#ifndef INTEL_SPI_H
diff --git a/drivers/mtd/spi-nor/nxp-spifi.c b/drivers/mtd/spi-nor/nxp-spifi.c
index 0c9094ec5966..4a871587392b 100644
--- a/drivers/mtd/spi-nor/nxp-spifi.c
+++ b/drivers/mtd/spi-nor/nxp-spifi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* SPI-NOR driver for NXP SPI Flash Interface (SPIFI)
*
@@ -5,11 +6,6 @@
*
* Based on Freescale QuadSPI driver:
* Copyright (C) 2013 Freescale Semiconductor, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
*/
#include <linux/clk.h>
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 73172d7f512b..0c2ec1c21434 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -1636,6 +1636,95 @@ static int sr2_bit7_quad_enable(struct spi_nor *nor)
return 0;
}
+/**
+ * spi_nor_clear_sr_bp() - clear the Status Register Block Protection bits.
+ * @nor: pointer to a 'struct spi_nor'
+ *
+ * Read-modify-write function that clears the Block Protection bits from the
+ * Status Register without affecting other bits.
+ *
+ * Return: 0 on success, -errno otherwise.
+ */
+static int spi_nor_clear_sr_bp(struct spi_nor *nor)
+{
+ int ret;
+ u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
+
+ ret = read_sr(nor);
+ if (ret < 0) {
+ dev_err(nor->dev, "error while reading status register\n");
+ return ret;
+ }
+
+ write_enable(nor);
+
+ ret = write_sr(nor, ret & ~mask);
+ if (ret) {
+ dev_err(nor->dev, "write to status register failed\n");
+ return ret;
+ }
+
+ ret = spi_nor_wait_till_ready(nor);
+ if (ret)
+ dev_err(nor->dev, "timeout while writing status register\n");
+ return ret;
+}
+
+/**
+ * spi_nor_spansion_clear_sr_bp() - clear the Status Register Block Protection
+ * bits on spansion flashes.
+ * @nor: pointer to a 'struct spi_nor'
+ *
+ * Read-modify-write function that clears the Block Protection bits from the
+ * Status Register without affecting other bits. The function is tightly
+ * coupled with the spansion_quad_enable() function. Both assume that the Write
+ * Register with 16 bits, together with the Read Configuration Register (35h)
+ * instructions are supported.
+ *
+ * Return: 0 on success, -errno otherwise.
+ */
+static int spi_nor_spansion_clear_sr_bp(struct spi_nor *nor)
+{
+ int ret;
+ u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
+ u8 sr_cr[2] = {0};
+
+ /* Check current Quad Enable bit value. */
+ ret = read_cr(nor);
+ if (ret < 0) {
+ dev_err(nor->dev,
+ "error while reading configuration register\n");
+ return ret;
+ }
+
+ /*
+ * When the configuration register Quad Enable bit is one, only the
+ * Write Status (01h) command with two data bytes may be used.
+ */
+ if (ret & CR_QUAD_EN_SPAN) {
+ sr_cr[1] = ret;
+
+ ret = read_sr(nor);
+ if (ret < 0) {
+ dev_err(nor->dev,
+ "error while reading status register\n");
+ return ret;
+ }
+ sr_cr[0] = ret & ~mask;
+
+ ret = write_sr_cr(nor, sr_cr);
+ if (ret)
+ dev_err(nor->dev, "16-bit write register failed\n");
+ return ret;
+ }
+
+ /*
+ * If the Quad Enable bit is zero, use the Write Status (01h) command
+ * with one data byte.
+ */
+ return spi_nor_clear_sr_bp(nor);
+}
+
/* Used when the "_ext_id" is two bytes at most */
#define INFO(_jedec_id, _ext_id, _sector_size, _n_sectors, _flags) \
.id = { \
@@ -3660,6 +3749,8 @@ static int spi_nor_init_params(struct spi_nor *nor,
default:
/* Kept only for backward compatibility purpose. */
params->quad_enable = spansion_quad_enable;
+ if (nor->clear_sr_bp)
+ nor->clear_sr_bp = spi_nor_spansion_clear_sr_bp;
break;
}
@@ -3912,17 +4003,13 @@ static int spi_nor_init(struct spi_nor *nor)
{
int err;
- /*
- * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up
- * with the software protection bits set
- */
- if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
- JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
- JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
- nor->info->flags & SPI_NOR_HAS_LOCK) {
- write_enable(nor);
- write_sr(nor, 0);
- spi_nor_wait_till_ready(nor);
+ if (nor->clear_sr_bp) {
+ err = nor->clear_sr_bp(nor);
+ if (err) {
+ dev_err(nor->dev,
+ "fail to clear block protection bits\n");
+ return err;
+ }
}
if (nor->quad_enable) {
@@ -4047,6 +4134,16 @@ int spi_nor_scan(struct spi_nor *nor, const char *name,
if (info->flags & SPI_S3AN)
nor->flags |= SNOR_F_READY_XSR_RDY;
+ /*
+ * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up
+ * with the software protection bits set.
+ */
+ if (JEDEC_MFR(nor->info) == SNOR_MFR_ATMEL ||
+ JEDEC_MFR(nor->info) == SNOR_MFR_INTEL ||
+ JEDEC_MFR(nor->info) == SNOR_MFR_SST ||
+ nor->info->flags & SPI_NOR_HAS_LOCK)
+ nor->clear_sr_bp = spi_nor_clear_sr_bp;
+
/* Parse the Serial Flash Discoverable Parameters table. */
ret = spi_nor_init_params(nor, &params);
if (ret)
diff --git a/drivers/mtd/spi-nor/stm32-quadspi.c b/drivers/mtd/spi-nor/stm32-quadspi.c
index 13e9fc961d3b..33534f9e296b 100644
--- a/drivers/mtd/spi-nor/stm32-quadspi.c
+++ b/drivers/mtd/spi-nor/stm32-quadspi.c
@@ -1,22 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver for stm32 quadspi controller
*
* Copyright (C) 2017, STMicroelectronics - All Rights Reserved
* Author(s): Ludovic Barre author <ludovic.barre@st.com>.
- *
- * License terms: GPL V2.0.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
- * details.
- *
- * You should have received a copy of the GNU General Public License along with
- * This program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/clk.h>
#include <linux/errno.h>
diff --git a/drivers/mtd/ssfdc.c b/drivers/mtd/ssfdc.c
index 7a1e54546f4a..1d05c121904c 100644
--- a/drivers/mtd/ssfdc.c
+++ b/drivers/mtd/ssfdc.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux driver for SSFDC Flash Translation Layer (Read only)
* © 2005 Eptar srl
* Author: Claudio Lanconelli <lanconelli.claudio@eptar.com>
*
* Based on NTFL and MTDBLOCK_RO drivers
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/kernel.h>