hwrng: qcom - Move qcom-rng.c into drivers/char/hw_random/

Since this file just implements a hwrng driver, move it into
drivers/char/hw_random/.  Rename the kconfig option accordingly as well.

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/arm/configs/multi_v7_defconfig

@@ -405,6 +405,7 @@ CONFIG_ASPEED_KCS_IPMI_BMC=m
 CONFIG_ASPEED_BT_IPMI_BMC=m
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_ST=y
+CONFIG_HW_RANDOM_QCOM=m
 CONFIG_TCG_TPM=m
 CONFIG_TCG_TIS_I2C_INFINEON=m
 CONFIG_I2C_CHARDEV=y
@@ -1321,7 +1322,6 @@ CONFIG_CRYPTO_DEV_ATMEL_TDES=m
 CONFIG_CRYPTO_DEV_ATMEL_SHA=m
 CONFIG_CRYPTO_DEV_MARVELL_CESA=m
 CONFIG_CRYPTO_DEV_QCE=m
-CONFIG_CRYPTO_DEV_QCOM_RNG=m
 CONFIG_CRYPTO_DEV_ROCKCHIP=m
 CONFIG_CRYPTO_DEV_STM32_HASH=m
 CONFIG_CRYPTO_DEV_STM32_CRYP=m

arch/arm/configs/qcom_defconfig

@@ -117,6 +117,7 @@ CONFIG_SERIAL_MSM=y
 CONFIG_SERIAL_MSM_CONSOLE=y
 CONFIG_SERIAL_DEV_BUS=y
 CONFIG_HW_RANDOM=y
+CONFIG_HW_RANDOM_QCOM=m
 CONFIG_I2C=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_QUP=y
@@ -296,7 +297,6 @@ CONFIG_CRYPTO_USER_API_HASH=m
 CONFIG_CRYPTO_USER_API_SKCIPHER=m
 CONFIG_CRYPTO_USER_API_RNG=m
 CONFIG_CRYPTO_USER_API_AEAD=m
-CONFIG_CRYPTO_DEV_QCOM_RNG=m
 CONFIG_DMA_CMA=y
 CONFIG_CMA_SIZE_MBYTES=64
 CONFIG_PRINTK_TIME=y

arch/arm64/configs/defconfig

@@ -601,6 +601,7 @@ CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_VIRTIO=y
 CONFIG_HW_RANDOM_HISI_TRNG=m
 CONFIG_HW_RANDOM_XILINX=m
+CONFIG_HW_RANDOM_QCOM=m
 CONFIG_TCG_TPM=y
 CONFIG_TCG_TIS=m
 CONFIG_TCG_TIS_SPI=m
@@ -1940,7 +1941,6 @@ CONFIG_CRYPTO_DEV_SUN8I_CE=m
 CONFIG_CRYPTO_DEV_FSL_CAAM=m
 CONFIG_CRYPTO_DEV_FSL_DPAA2_CAAM=m
 CONFIG_CRYPTO_DEV_QCE=m
-CONFIG_CRYPTO_DEV_QCOM_RNG=m
 CONFIG_CRYPTO_DEV_TEGRA=m
 CONFIG_CRYPTO_DEV_ZYNQMP_AES=m
 CONFIG_CRYPTO_DEV_ZYNQMP_SHA3=m

drivers/char/hw_random/Kconfig

@@ -636,6 +636,17 @@ config HW_RANDOM_XILINX
 	  To compile this driver as a module, choose M here: the module
 	  will be called xilinx-trng.
 
+config HW_RANDOM_QCOM
+	tristate "Qualcomm True Random Number Generator Driver"
+	depends on ARCH_QCOM || COMPILE_TEST
+	depends on HW_RANDOM
+	help
+	  This driver provides support for the True Random Number
+	  Generator hardware found on some Qualcomm SoCs.
+
+	  To compile this driver as a module, choose M here. The
+	  module will be called qcom-rng. If unsure, say N.
+
 endif # HW_RANDOM
 
 config UML_RANDOM

drivers/char/hw_random/Makefile

@@ -54,3 +54,4 @@ obj-$(CONFIG_HW_RANDOM_POLARFIRE_SOC) += mpfs-rng.o
 obj-$(CONFIG_HW_RANDOM_ROCKCHIP) += rockchip-rng.o
 obj-$(CONFIG_HW_RANDOM_JH7110) += jh7110-trng.o
 obj-$(CONFIG_HW_RANDOM_XILINX) += xilinx-trng.o
+obj-$(CONFIG_HW_RANDOM_QCOM) += qcom-rng.o

drivers/crypto/Kconfig

@@ -637,17 +637,6 @@ config CRYPTO_DEV_QCE_SW_MAX_LEN
 	  always processed by the software fallback, and all DES requests
 	  are done by the hardware.
 
-config CRYPTO_DEV_QCOM_RNG
-	tristate "Qualcomm Random Number Generator Driver"
-	depends on ARCH_QCOM || COMPILE_TEST
-	depends on HW_RANDOM
-	help
-	  This driver provides support for the Random Number
-	  Generator hardware found on Qualcomm SoCs.
-
-	  To compile this driver as a module, choose M here. The
-	  module will be called qcom-rng. If unsure, say N.
-
 config CRYPTO_DEV_IMGTEC_HASH
 	tristate "Imagination Technologies hardware hash accelerator"
 	depends on MIPS || COMPILE_TEST

drivers/crypto/Makefile

@@ -27,7 +27,6 @@ obj-$(CONFIG_CRYPTO_DEV_PADLOCK_AES) += padlock-aes.o
 obj-$(CONFIG_CRYPTO_DEV_PADLOCK_SHA) += padlock-sha.o
 obj-$(CONFIG_CRYPTO_DEV_PPC4XX) += amcc/
 obj-$(CONFIG_CRYPTO_DEV_QCE) += qce/
-obj-$(CONFIG_CRYPTO_DEV_QCOM_RNG) += qcom-rng.o
 obj-$(CONFIG_CRYPTO_DEV_ROCKCHIP) += rockchip/
 obj-$(CONFIG_CRYPTO_DEV_S5P) += s5p-sss.o
 obj-$(CONFIG_CRYPTO_DEV_SA2UL) += sa2ul.o

drivers/gpu/drm/ci/arm64.config

@@ -78,7 +78,6 @@ CONFIG_INTERCONNECT_QCOM_MSM8996=y
 CONFIG_INTERCONNECT_QCOM_OSM_L3=y
 CONFIG_INTERCONNECT_QCOM_SC7180=y
 CONFIG_INTERCONNECT_QCOM_SM8350=y
-CONFIG_CRYPTO_DEV_QCOM_RNG=y
 CONFIG_SC_DISPCC_7180=y
 CONFIG_SC_GPUCC_7180=y
 CONFIG_SM_GPUCC_8350=y
@@ -189,6 +188,7 @@ CONFIG_GNSS=y
 CONFIG_GNSS_MTK_SERIAL=y
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_MTK=y
+CONFIG_HW_RANDOM_QCOM=y
 CONFIG_MTK_DEVAPC=y
 CONFIG_PWM_MTK_DISP=y
 CONFIG_MTK_CMDQ=y