linux-kernel - [PATCH 2/2] mtd: rawnand: brcmnand: Add individual glue driver selection

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Message-Id: <20220711222323.4048197-3-f.fainelli@gmail.com>
Date:   Mon, 11 Jul 2022 15:23:23 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        Brian Norris <computersforpeace@...il.com>,
        Kamal Dasu <kdasu.kdev@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Roger Quadros <rogerq@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Cai Huoqing <cai.huoqing@...ux.dev>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Colin Ian King <colin.king@...el.com>,
        linux-kernel@...r.kernel.org (open list),
        William Zhang <william.zhang@...adcom.com>
Subject: [PATCH 2/2] mtd: rawnand: brcmnand: Add individual glue driver selection

Allow each platform to define a dedicated Kconfig entry for its glue
driver such that we can decide on a per-platfomr basis whether to build
it or not. This allows for a finer grained control over the resulting
kernel image or set of modules.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 drivers/mtd/nand/raw/brcmnand/Kconfig  | 28 ++++++++++++++++++++++++++
 drivers/mtd/nand/raw/brcmnand/Makefile |  8 ++++----
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/raw/brcmnand/Kconfig b/drivers/mtd/nand/raw/brcmnand/Kconfig
index d5a0265525ca..4bc51bf60aca 100644
--- a/drivers/mtd/nand/raw/brcmnand/Kconfig
+++ b/drivers/mtd/nand/raw/brcmnand/Kconfig
@@ -9,6 +9,13 @@ config MTD_NAND_BRCMNAND
 
 if MTD_NAND_BRCMNAND
 
+config MTD_NAND_BRCMNAND_BCM63XX
+	tristate "Broadcom BCM63xx NAND controller glue"
+	default BCM63XX
+	help
+	  Enables the BRCMNAND glue driver to register the NAND controller
+	  on Broadcom BCM63xx MIPS-based DSL platforms.
+
 config MTD_NAND_BRCMNAND_BCMA
 	tristate "Broadcom BCMA NAND controller"
 	depends on BCMA_NFLASH
@@ -18,4 +25,25 @@ config MTD_NAND_BRCMNAND_BCMA
 	  The glue driver will take care of performing the low-level I/O
 	  operations to interface the BRCMNAND controller over the BCMA bus.
 
+config MTD_NAND_BRCMNAND_BCMBCA
+	tristate "Broadcom BCMBCA NAND controller glue"
+	default ARCH_BCMBCA
+	help
+	  Enables the BRCMNAND glue driver to register the NAND controller
+	  on Broadcom BCA platforms.
+
+config MTD_NAND_BRCMNAND_BRCMSTB
+	tristate "Broadcom STB Nand controller glue"
+	default ARCH_BRCMSTB
+	help
+	  Enables the BRCMNAND glue driver to register the NAND controller
+	  on Broadcom STB platforms.
+
+config MTD_NAND_BRCMNAND_IPROC
+	tristate "Broadcom iProc NAND controller glue"
+	default ARCH_BCM_IPROC
+	help
+	  Enables the BRCMNAND controller glue driver to register the NAND
+	  controller on Broadcom iProc platforms.
+
 endif # MTD_NAND_BRCMNAND
diff --git a/drivers/mtd/nand/raw/brcmnand/Makefile b/drivers/mtd/nand/raw/brcmnand/Makefile
index 16dc7254200e..9907e3ec4bb2 100644
--- a/drivers/mtd/nand/raw/brcmnand/Makefile
+++ b/drivers/mtd/nand/raw/brcmnand/Makefile
@@ -1,10 +1,10 @@
 # SPDX-License-Identifier: GPL-2.0
 # link order matters; don't link the more generic brcmstb_nand.o before the
 # more specific iproc_nand.o, for instance
-obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= iproc_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= bcm63138_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= bcm6368_nand.o
-obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= brcmstb_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND_IPROC)	+= iproc_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND_BCMBCA)	+= bcm63138_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND_BCM63XX)	+= bcm6368_nand.o
+obj-$(CONFIG_MTD_NAND_BRCMNAND_BRCMSTB)	+= brcmstb_nand.o
 obj-$(CONFIG_MTD_NAND_BRCMNAND)		+= brcmnand.o
 
 obj-$(CONFIG_MTD_NAND_BRCMNAND_BCMA)	+= bcma_nand.o
-- 
2.25.1