linux-kernel - [PATCH v2 4/4] fpga: lattice: reorganize to subdir layout

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Date:   Wed,  9 Jun 2021 07:22:08 -0700
From:   trix@...hat.com
To:     mdf@...nel.org, hao.wu@...el.com, michal.simek@...inx.com,
        gregkh@...uxfoundation.org, nava.manne@...inx.com,
        dinguyen@...nel.org, krzysztof.kozlowski@...onical.com,
        yilun.xu@...el.com, arnd@...db.de, fpacheco@...hat.com,
        richard.gong@...el.com, luca@...aceresoli.net
Cc:     linux-kernel@...r.kernel.org, linux-fpga@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, Tom Rix <trix@...hat.com>
Subject: [PATCH v2 4/4] fpga: lattice: reorganize to subdir layout

From: Tom Rix <trix@...hat.com>

Create a lattice/ subdir
Move ice40* and machxo2* files to it.
Add a Kconfig and Makefile

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/fpga/Kconfig                     | 14 +-------------
 drivers/fpga/Makefile                    | 13 +++++--------
 drivers/fpga/lattice/Kconfig             | 22 ++++++++++++++++++++++
 drivers/fpga/lattice/Makefile            |  4 ++++
 drivers/fpga/{ => lattice}/ice40-spi.c   |  0
 drivers/fpga/{ => lattice}/machxo2-spi.c |  0
 6 files changed, 32 insertions(+), 21 deletions(-)
 create mode 100644 drivers/fpga/lattice/Kconfig
 create mode 100644 drivers/fpga/lattice/Makefile
 rename drivers/fpga/{ => lattice}/ice40-spi.c (100%)
 rename drivers/fpga/{ => lattice}/machxo2-spi.c (100%)

diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index 885701b1356ad..0cce719d6af84 100644
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -12,19 +12,6 @@ menuconfig FPGA
 
 if FPGA
 
-config FPGA_MGR_ICE40_SPI
-	tristate "Lattice iCE40 SPI"
-	depends on OF && SPI
-	help
-	  FPGA manager driver support for Lattice iCE40 FPGAs over SPI.
-
-config FPGA_MGR_MACHXO2_SPI
-	tristate "Lattice MachXO2 SPI"
-	depends on SPI
-	help
-	  FPGA manager driver support for Lattice MachXO2 configuration
-	  over slave SPI interface.
-
 config FPGA_BRIDGE
 	tristate "FPGA Bridge Framework"
 	help
@@ -47,6 +34,7 @@ config OF_FPGA_REGION
 	  overlay.
 
 source "drivers/fpga/altera/Kconfig"
+source "drivers/fpga/lattice/Kconfig"
 source "drivers/fpga/dfl/Kconfig"
 source "drivers/fpga/xilinx/Kconfig"
 
diff --git a/drivers/fpga/Makefile b/drivers/fpga/Makefile
index db83aeb997f24..9197698201e3a 100644
--- a/drivers/fpga/Makefile
+++ b/drivers/fpga/Makefile
@@ -4,19 +4,16 @@
 #
 
 # Core FPGA Manager Framework
-obj-$(CONFIG_FPGA)			+= fpga-mgr.o
-
-# FPGA Manager Drivers
-obj-$(CONFIG_FPGA_MGR_ICE40_SPI)	+= ice40-spi.o
-obj-$(CONFIG_FPGA_MGR_MACHXO2_SPI)	+= machxo2-spi.o
+obj-$(CONFIG_FPGA) += fpga-mgr.o
 
 # FPGA Bridge Drivers
-obj-$(CONFIG_FPGA_BRIDGE)		+= fpga-bridge.o
+obj-$(CONFIG_FPGA_BRIDGE) += fpga-bridge.o
 
 # High Level Interfaces
-obj-$(CONFIG_FPGA_REGION)		+= fpga-region.o
-obj-$(CONFIG_OF_FPGA_REGION)		+= of-fpga-region.o
+obj-$(CONFIG_FPGA_REGION) += fpga-region.o
+obj-$(CONFIG_OF_FPGA_REGION) += of-fpga-region.o
 
 obj-$(CONFIG_FPGA_ALTERA) += altera/
 obj-$(CONFIG_FPGA_DFL) += dfl/
+obj-$(CONFIG_FPGA_LATTICE) += lattice/
 obj-$(CONFIG_FPGA_XILINX) += xilinx/
diff --git a/drivers/fpga/lattice/Kconfig b/drivers/fpga/lattice/Kconfig
new file mode 100644
index 0000000000000..477c888d2994e
--- /dev/null
+++ b/drivers/fpga/lattice/Kconfig
@@ -0,0 +1,22 @@
+config FPGA_LATTICE
+	bool "Lattice Devices"
+	default y
+	help
+	  If you have a lattice fpga, say Y.
+
+if FPGA_LATTICE
+
+config FPGA_MGR_ICE40_SPI
+	tristate "Lattice iCE40 SPI"
+	depends on OF && SPI
+	help
+	  FPGA manager driver support for Lattice iCE40 FPGAs over SPI.
+
+config FPGA_MGR_MACHXO2_SPI
+	tristate "Lattice MachXO2 SPI"
+	depends on SPI
+	help
+	  FPGA manager driver support for Lattice MachXO2 configuration
+	  over slave SPI interface.
+
+endif #FPGA_LATTICE
diff --git a/drivers/fpga/lattice/Makefile b/drivers/fpga/lattice/Makefile
new file mode 100644
index 0000000000000..f542c96a73d40
--- /dev/null
+++ b/drivers/fpga/lattice/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+obj-$(CONFIG_FPGA_MGR_ICE40_SPI) += ice40-spi.o
+obj-$(CONFIG_FPGA_MGR_MACHXO2_SPI) += machxo2-spi.o
diff --git a/drivers/fpga/ice40-spi.c b/drivers/fpga/lattice/ice40-spi.c
similarity index 100%
rename from drivers/fpga/ice40-spi.c
rename to drivers/fpga/lattice/ice40-spi.c
diff --git a/drivers/fpga/machxo2-spi.c b/drivers/fpga/lattice/machxo2-spi.c
similarity index 100%
rename from drivers/fpga/machxo2-spi.c
rename to drivers/fpga/lattice/machxo2-spi.c
-- 
2.26.3