linux-kernel - [PATCH v3 7/7] mtd: nand: move BBT code to drivers/mtd/nand/

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Message-Id: <1479732328-18363-8-git-send-email-boris.brezillon@free-electrons.com>
Date:   Mon, 21 Nov 2016 13:45:28 +0100
From:   Boris Brezillon <boris.brezillon@...e-electrons.com>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Richard Weinberger <richard@....at>,
        linux-mtd@...ts.infradead.org, Peter Pan <peterpansjtu@...il.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>,
        linux-kernel@...r.kernel.org,
        Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
        Kelvin Cheung <keguang.zhang@...il.com>
Subject: [PATCH v3 7/7] mtd: nand: move BBT code to drivers/mtd/nand/

Now that the BBT code is generic, we can move it to drivers/mtd/nand/.

Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
---
 drivers/mtd/nand/Kconfig                   | 3 +++
 drivers/mtd/nand/Makefile                  | 4 ++++
 drivers/mtd/nand/{raw/nand_bbt.c => bbt.c} | 5 +++++
 drivers/mtd/nand/raw/Kconfig               | 1 +
 drivers/mtd/nand/raw/Makefile              | 2 +-
 5 files changed, 14 insertions(+), 1 deletion(-)
 rename drivers/mtd/nand/{raw/nand_bbt.c => bbt.c} (99%)

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 6d5373471809..1c1a1f487e20 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -1 +1,4 @@
+config MTD_NAND_CORE
+	tristate
+
 source "drivers/mtd/nand/raw/Kconfig"
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index eee2f27e92fc..fe430d919224 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -1 +1,5 @@
+obj-$(CONFIG_MTD_NAND_CORE) += nandcore.o
+
+nandcore-objs :=  bbt.o
+
 obj-y	+= raw/
diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/bbt.c
similarity index 99%
rename from drivers/mtd/nand/raw/nand_bbt.c
rename to drivers/mtd/nand/bbt.c
index 575f0b1dc548..94cd3e5faf46 100644
--- a/drivers/mtd/nand/raw/nand_bbt.c
+++ b/drivers/mtd/nand/bbt.c
@@ -1308,6 +1308,7 @@ int nand_scan_bbt(struct nand_device *this)
 	this->bbt.bbt = NULL;
 	return res;
 }
+EXPORT_SYMBOL_GPL(nand_scan_bbt);
 
 /**
  * nand_update_bbt - update bad block table(s)
@@ -1361,6 +1362,7 @@ int nand_update_bbt(struct nand_device *this, loff_t offs)
 	kfree(buf);
 	return res;
 }
+EXPORT_SYMBOL_GPL(nand_update_bbt);
 
 /**
  * nand_isreserved_bbt - [NAND Interface] Check if a block is reserved
@@ -1374,6 +1376,7 @@ int nand_isreserved_bbt(struct nand_device *this, loff_t offs)
 	block = nand_offs_to_eraseblock(this, offs);
 	return bbt_get_entry(this, block) == NAND_BBT_BLOCK_RESERVED;
 }
+EXPORT_SYMBOL_GPL(nand_isreserved_bbt);
 
 /**
  * nand_isbad_bbt - [NAND Interface] Check if a block is bad
@@ -1401,6 +1404,7 @@ int nand_isbad_bbt(struct nand_device *this, loff_t offs, int allowbbt)
 	}
 	return 1;
 }
+EXPORT_SYMBOL_GPL(nand_isbad_bbt);
 
 /**
  * nand_markbad_bbt - [NAND Interface] Mark a block bad in the BBT
@@ -1422,3 +1426,4 @@ int nand_markbad_bbt(struct nand_device *this, loff_t offs)
 
 	return ret;
 }
+EXPORT_SYMBOL_GPL(nand_markbad_bbt);
diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
index 353a9ddf6b97..dd6ad347ef1f 100644
--- a/drivers/mtd/nand/raw/Kconfig
+++ b/drivers/mtd/nand/raw/Kconfig
@@ -15,6 +15,7 @@ menuconfig MTD_NAND
 	depends on MTD
 	select MTD_NAND_IDS
 	select MTD_NAND_ECC
+	select MTD_NAND_CORE
 	help
 	  This enables support for accessing all type of NAND flash
 	  devices. For further information see
diff --git a/drivers/mtd/nand/raw/Makefile b/drivers/mtd/nand/raw/Makefile
index 19a66e404d5b..d80fa7e9cfee 100644
--- a/drivers/mtd/nand/raw/Makefile
+++ b/drivers/mtd/nand/raw/Makefile
@@ -61,4 +61,4 @@ obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= brcmnand/
 obj-$(CONFIG_MTD_NAND_QCOM)		+= qcom_nandc.o
 obj-$(CONFIG_MTD_NAND_MTK)		+= mtk_nand.o mtk_ecc.o
 
-nand-objs := nand_base.o nand_bbt.o nand_timings.o
+nand-objs := nand_base.o nand_timings.o
-- 
2.7.4