crypto: ixp4xx - Move driver to drivers/crypto/intel/ixp4xx

With the growing number of Intel crypto drivers, it makes sense to
group them all into a single drivers/crypto/intel/ directory.

Create a separate drivers/crypto/intel/ixp4xx directory and move
drivers/crypto/ixp4xx_crypto.c to it, along with a new Kconfig and
Makefile to contain the config and make bits.

Also add a COMPILE_TEST dependency to CRYPTO_DEV_IXP4XX so it can be
more easily compile-tested.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Acked-by: Corentin LABBE <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -2275,7 +2275,7 @@ F:	arch/arm/boot/dts/intel-ixp*
 F:	arch/arm/mach-ixp4xx/
 F:	drivers/bus/intel-ixp4xx-eb.c
 F:	drivers/clocksource/timer-ixp4xx.c
-F:	drivers/crypto/ixp4xx_crypto.c
+F:	drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c
 F:	drivers/gpio/gpio-ixp4xx.c
 F:	drivers/irqchip/irq-ixp4xx.c
 
@@ -10380,7 +10380,7 @@ INTEL IXP4XX CRYPTO SUPPORT
 M:	Corentin Labbe <clabbe@baylibre.com>
 L:	linux-crypto@vger.kernel.org
 S:	Maintained
-F:	drivers/crypto/ixp4xx_crypto.c
+F:	drivers/crypto/intel/ixp4xx/ixp4xx_crypto.c
 
 INTEL ISHTP ECLITE DRIVER
 M:	Sumesh K Naduvalath <sumesh.k.naduvalath@intel.com>

drivers/crypto/Kconfig

@@ -240,21 +240,6 @@ config CRYPTO_DEV_TALITOS2
 	  Say 'Y' here to use the Freescale Security Engine (SEC)
 	  version 2 and following as found on MPC83xx, MPC85xx, etc ...
 
-config CRYPTO_DEV_IXP4XX
-	tristate "Driver for IXP4xx crypto hardware acceleration"
-	depends on ARCH_IXP4XX && IXP4XX_QMGR && IXP4XX_NPE
-	select CRYPTO_AES
-	select CRYPTO_DES
-	select CRYPTO_ECB
-	select CRYPTO_CBC
-	select CRYPTO_CTR
-	select CRYPTO_LIB_DES
-	select CRYPTO_AEAD
-	select CRYPTO_AUTHENC
-	select CRYPTO_SKCIPHER
-	help
-	  Driver for the IXP4xx NPE crypto engine.
-
 config CRYPTO_DEV_PPC4XX
 	tristate "Driver AMCC PPC4xx crypto accelerator"
 	depends on PPC && 4xx

drivers/crypto/Makefile

@@ -19,7 +19,6 @@ obj-$(CONFIG_CRYPTO_DEV_FSL_CAAM_COMMON) += caam/
 obj-$(CONFIG_CRYPTO_DEV_GEODE) += geode-aes.o
 obj-$(CONFIG_CRYPTO_DEV_HIFN_795X) += hifn_795x.o
 obj-$(CONFIG_CRYPTO_DEV_IMGTEC_HASH) += img-hash.o
-obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o
 obj-$(CONFIG_CRYPTO_DEV_MARVELL) += marvell/
 obj-$(CONFIG_CRYPTO_DEV_MXS_DCP) += mxs-dcp.o
 obj-$(CONFIG_CRYPTO_DEV_NIAGARA2) += n2_crypto.o

drivers/crypto/intel/Kconfig

 # SPDX-License-Identifier: GPL-2.0
 
 source "drivers/crypto/intel/keembay/Kconfig"
+source "drivers/crypto/intel/ixp4xx/Kconfig"

drivers/crypto/intel/Makefile

 # SPDX-License-Identifier: GPL-2.0
 
 obj-y += keembay/
+obj-y += ixp4xx/

drivers/crypto/intel/ixp4xx/Kconfig

+config CRYPTO_DEV_IXP4XX
+	tristate "Driver for IXP4xx crypto hardware acceleration"
+	depends on (ARCH_IXP4XX || COMPILE_TEST) && IXP4XX_QMGR && IXP4XX_NPE
+	select CRYPTO_AES
+	select CRYPTO_DES
+	select CRYPTO_ECB
+	select CRYPTO_CBC
+	select CRYPTO_CTR
+	select CRYPTO_LIB_DES
+	select CRYPTO_AEAD
+	select CRYPTO_AUTHENC
+	select CRYPTO_SKCIPHER
+	help
+	  Driver for the IXP4xx NPE crypto engine.

drivers/crypto/intel/ixp4xx/Makefile

+# SPDX-License-Identifier: GPL-2.0
+obj-$(CONFIG_CRYPTO_DEV_IXP4XX) += ixp4xx_crypto.o