diff options
Diffstat (limited to 'drivers/char/hw_random')
-rw-r--r-- | drivers/char/hw_random/Kconfig | 12 | ||||
-rw-r--r-- | drivers/char/hw_random/ixp4xx-rng.c | 4 | ||||
-rw-r--r-- | drivers/char/hw_random/meson-rng.c | 5 | ||||
-rw-r--r-- | drivers/char/hw_random/mtk-rng.c | 9 | ||||
-rw-r--r-- | drivers/char/hw_random/s390-trng.c | 4 |
5 files changed, 19 insertions, 15 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig index 239eca4d6805..814b3d0ca7b7 100644 --- a/drivers/char/hw_random/Kconfig +++ b/drivers/char/hw_random/Kconfig @@ -63,7 +63,7 @@ config HW_RANDOM_AMD config HW_RANDOM_ATMEL tristate "Atmel Random Number Generator support" - depends on ARCH_AT91 && HAVE_CLK && OF + depends on (ARCH_AT91 || COMPILE_TEST) && HAVE_CLK && OF default HW_RANDOM help This driver provides kernel-side support for the Random Number @@ -87,7 +87,7 @@ config HW_RANDOM_BA431 config HW_RANDOM_BCM2835 tristate "Broadcom BCM2835/BCM63xx Random Number Generator support" depends on ARCH_BCM2835 || ARCH_BCM_NSP || ARCH_BCM_5301X || \ - ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC + ARCH_BCM_63XX || BCM63XX || BMIPS_GENERIC || COMPILE_TEST default HW_RANDOM help This driver provides kernel-side support for the Random Number @@ -100,7 +100,7 @@ config HW_RANDOM_BCM2835 config HW_RANDOM_IPROC_RNG200 tristate "Broadcom iProc/STB RNG200 support" - depends on ARCH_BCM_IPROC || ARCH_BCM2835 || ARCH_BRCMSTB + depends on ARCH_BCM_IPROC || ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST default HW_RANDOM help This driver provides kernel-side support for the RNG200 @@ -165,7 +165,7 @@ config HW_RANDOM_IXP4XX config HW_RANDOM_OMAP tristate "OMAP Random Number Generator support" - depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU || ARCH_K3 + depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU || ARCH_K3 || COMPILE_TEST default HW_RANDOM help This driver provides kernel-side support for the Random Number @@ -179,7 +179,7 @@ config HW_RANDOM_OMAP config HW_RANDOM_OMAP3_ROM tristate "OMAP3 ROM Random Number Generator support" - depends on ARCH_OMAP3 + depends on ARCH_OMAP3 || COMPILE_TEST default HW_RANDOM help This driver provides kernel-side support for the Random Number @@ -298,7 +298,7 @@ config HW_RANDOM_INGENIC_TRNG config HW_RANDOM_NOMADIK tristate "ST-Ericsson Nomadik Random Number Generator support" - depends on ARCH_NOMADIK + depends on ARCH_NOMADIK || COMPILE_TEST default HW_RANDOM help This driver provides kernel-side support for the Random Number diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c index 188854dd16a9..7df5e9f7519d 100644 --- a/drivers/char/hw_random/ixp4xx-rng.c +++ b/drivers/char/hw_random/ixp4xx-rng.c @@ -42,13 +42,11 @@ static int ixp4xx_rng_probe(struct platform_device *pdev) { void __iomem * rng_base; struct device *dev = &pdev->dev; - struct resource *res; if (!cpu_is_ixp46x()) /* includes IXP455 */ return -ENOSYS; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - rng_base = devm_ioremap_resource(dev, res); + rng_base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(rng_base)) return PTR_ERR(rng_base); diff --git a/drivers/char/hw_random/meson-rng.c b/drivers/char/hw_random/meson-rng.c index e446236e81f2..8bb30282ca46 100644 --- a/drivers/char/hw_random/meson-rng.c +++ b/drivers/char/hw_random/meson-rng.c @@ -54,9 +54,10 @@ static int meson_rng_probe(struct platform_device *pdev) if (IS_ERR(data->base)) return PTR_ERR(data->base); - data->core_clk = devm_clk_get(dev, "core"); + data->core_clk = devm_clk_get_optional(dev, "core"); if (IS_ERR(data->core_clk)) - data->core_clk = NULL; + return dev_err_probe(dev, PTR_ERR(data->core_clk), + "Failed to get core clock\n"); if (data->core_clk) { ret = clk_prepare_enable(data->core_clk); diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 8ad7b515a51b..6c00ea008555 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -166,8 +166,13 @@ static int mtk_rng_runtime_resume(struct device *dev) return mtk_rng_init(&priv->rng); } -static UNIVERSAL_DEV_PM_OPS(mtk_rng_pm_ops, mtk_rng_runtime_suspend, - mtk_rng_runtime_resume, NULL); +static const struct dev_pm_ops mtk_rng_pm_ops = { + SET_RUNTIME_PM_OPS(mtk_rng_runtime_suspend, + mtk_rng_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) +}; + #define MTK_RNG_PM_OPS (&mtk_rng_pm_ops) #else /* CONFIG_PM */ #define MTK_RNG_PM_OPS NULL diff --git a/drivers/char/hw_random/s390-trng.c b/drivers/char/hw_random/s390-trng.c index 7c673afd7241..2beaa35c0d74 100644 --- a/drivers/char/hw_random/s390-trng.c +++ b/drivers/char/hw_random/s390-trng.c @@ -111,7 +111,7 @@ static ssize_t trng_counter_show(struct device *dev, #if IS_ENABLED(CONFIG_ARCH_RANDOM) u64 arch_counter = atomic64_read(&s390_arch_random_counter); - return snprintf(buf, PAGE_SIZE, + return sysfs_emit(buf, "trng: %llu\n" "hwrng: %llu\n" "arch: %llu\n" @@ -119,7 +119,7 @@ static ssize_t trng_counter_show(struct device *dev, dev_counter, hwrng_counter, arch_counter, dev_counter + hwrng_counter + arch_counter); #else - return snprintf(buf, PAGE_SIZE, + return sysfs_emit(buf, "trng: %llu\n" "hwrng: %llu\n" "total: %llu\n", |