[PATCH] hwrng: Enable COMPILE_TEST for more drivers

From: Rob Herring
Date: Fri Jul 28 2023 - 15:50:28 EST

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There's quite a few hwrng drivers which are easily enabled for
COMPILE_TEST, so let's enable them.

The dependency on HW_RANDOM is redundant, so drop that while we're here.

Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
Passed allyesconfig builds on arm, arm64, x86, riscv, powerpc, sparc
---
drivers/char/hw_random/Kconfig | 35 ++++++++++++++--------------
drivers/char/hw_random/amd-rng.c | 1 +
drivers/char/hw_random/ingenic-rng.c | 2 +-
3 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index e0b3786ca51b..b82733759e60 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -37,7 +37,7 @@ config HW_RANDOM_TIMERIOMEM

config HW_RANDOM_INTEL
tristate "Intel HW Random Number Generator support"
- depends on (X86 || IA64) && PCI
+ depends on (X86 || IA64 || COMPILE_TEST) && PCI
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -50,7 +50,8 @@ config HW_RANDOM_INTEL

config HW_RANDOM_AMD
tristate "AMD HW Random Number Generator support"
- depends on (X86 || PPC_MAPLE) && PCI
+ depends on (X86 || PPC_MAPLE || COMPILE_TEST)
+ depends on PCI && HAS_IOPORT_MAP
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -63,7 +64,7 @@ config HW_RANDOM_AMD

config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
- depends on (ARCH_AT91 || COMPILE_TEST) && HAVE_CLK && OF
+ depends on (ARCH_AT91 || COMPILE_TEST)
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -113,7 +114,8 @@ config HW_RANDOM_IPROC_RNG200

config HW_RANDOM_GEODE
tristate "AMD Geode HW Random Number Generator support"
- depends on X86_32 && PCI
+ depends on (X86_32 || COMPILE_TEST)
+ depends on PCI
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -205,7 +207,7 @@ config HW_RANDOM_OCTEON

config HW_RANDOM_PASEMI
tristate "PA Semi HW Random Number Generator support"
- depends on PPC_PASEMI
+ depends on PPC_PASEMI || (PPC && COMPILE_TEST)
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -228,7 +230,7 @@ config HW_RANDOM_VIRTIO

config HW_RANDOM_MXC_RNGA
tristate "Freescale i.MX RNGA Random Number Generator"
- depends on SOC_IMX31
+ depends on SOC_IMX31 || COMPILE_TEST
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -241,7 +243,7 @@ config HW_RANDOM_MXC_RNGA

config HW_RANDOM_IMX_RNGC
tristate "Freescale i.MX RNGC Random Number Generator"
- depends on HAS_IOMEM && HAVE_CLK
+ depends on HAS_IOMEM
depends on SOC_IMX25 || SOC_IMX6SL || SOC_IMX6SLL || SOC_IMX6UL || COMPILE_TEST
default HW_RANDOM
help
@@ -256,8 +258,7 @@ config HW_RANDOM_IMX_RNGC

config HW_RANDOM_INGENIC_RNG
tristate "Ingenic Random Number Generator support"
- depends on HW_RANDOM
- depends on MACH_JZ4780 || MACH_X1000
+ depends on MACH_JZ4780 || MACH_X1000 || COMPILE_TEST
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number Generator
@@ -271,8 +272,7 @@ config HW_RANDOM_INGENIC_RNG

config HW_RANDOM_INGENIC_TRNG
tristate "Ingenic True Random Number Generator support"
- depends on HW_RANDOM
- depends on MACH_X1830
+ depends on MACH_X1830 || COMPILE_TEST
default HW_RANDOM
help
This driver provides kernel-side support for the True Random Number Generator
@@ -324,7 +324,7 @@ config HW_RANDOM_POWERNV

config HW_RANDOM_HISI
tristate "Hisilicon Random Number Generator support"
- depends on HW_RANDOM && ARCH_HISI
+ depends on ARCH_HISI || COMPILE_TEST
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -348,7 +348,7 @@ config HW_RANDOM_HISTB

config HW_RANDOM_ST
tristate "ST Microelectronics HW Random Number Generator support"
- depends on HW_RANDOM && (ARCH_STI || COMPILE_TEST)
+ depends on ARCH_STI || COMPILE_TEST
help
This driver provides kernel-side support for the Random Number
Generator hardware found on STi series of SoCs.
@@ -358,7 +358,7 @@ config HW_RANDOM_ST

config HW_RANDOM_XGENE
tristate "APM X-Gene True Random Number Generator (TRNG) support"
- depends on HW_RANDOM && ARCH_XGENE
+ depends on ARCH_XGENE || COMPILE_TEST
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
@@ -371,7 +371,7 @@ config HW_RANDOM_XGENE

config HW_RANDOM_STM32
tristate "STMicroelectronics STM32 random number generator"
- depends on HW_RANDOM && (ARCH_STM32 || COMPILE_TEST)
+ depends on ARCH_STM32 || COMPILE_TEST
depends on HAS_IOMEM
default HW_RANDOM
help
@@ -385,7 +385,7 @@ config HW_RANDOM_STM32

config HW_RANDOM_PIC32
tristate "Microchip PIC32 Random Number Generator support"
- depends on HW_RANDOM && MACH_PIC32
+ depends on MACH_PIC32 || COMPILE_TEST
default y
help
This driver provides kernel-side support for the Random Number
@@ -425,7 +425,8 @@ config HW_RANDOM_MESON

config HW_RANDOM_CAVIUM
tristate "Cavium ThunderX Random Number Generator support"
- depends on HW_RANDOM && PCI && ARCH_THUNDER
+ depends on PCI
+ depends on ARCH_THUNDER || (ARM64 && COMPILE_TEST)
default HW_RANDOM
help
This driver provides kernel-side support for the Random Number
diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c
index 0555e3838bce..86162a13681e 100644
--- a/drivers/char/hw_random/amd-rng.c
+++ b/drivers/char/hw_random/amd-rng.c
@@ -26,6 +26,7 @@

#include <linux/delay.h>
#include <linux/hw_random.h>
+#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
diff --git a/drivers/char/hw_random/ingenic-rng.c b/drivers/char/hw_random/ingenic-rng.c
index 055cfe59f519..4f18c3fa5427 100644
--- a/drivers/char/hw_random/ingenic-rng.c
+++ b/drivers/char/hw_random/ingenic-rng.c
@@ -95,7 +95,7 @@ static int ingenic_rng_probe(struct platform_device *pdev)
return PTR_ERR(priv->base);
}

- priv->version = (enum ingenic_rng_version)of_device_get_match_data(&pdev->dev);
+ priv->version = (enum ingenic_rng_version)(uintptr_t)of_device_get_match_data(&pdev->dev);

priv->rng.name = pdev->name;
priv->rng.init = ingenic_rng_init;
--
2.40.1

Next message: Rob Herring: "[PATCH] watchdog: Enable COMPILE_TEST for more drivers"
Previous message: Dan Williams: "Re: [PATCH 0/4] keys: Introduce a keys frontend for attestation reports"
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