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-rw-r--r--drivers/char/hw_random/Kconfig2
-rw-r--r--drivers/char/hw_random/atmel-rng.c16
-rw-r--r--drivers/char/hw_random/bcm2835-rng.c1
-rw-r--r--drivers/char/hw_random/bcm63xx-rng.c1
-rw-r--r--drivers/char/hw_random/core.c12
-rw-r--r--drivers/char/hw_random/exynos-rng.c3
-rw-r--r--drivers/char/hw_random/msm-rng.c1
-rw-r--r--drivers/char/hw_random/mxc-rnga.c1
-rw-r--r--drivers/char/hw_random/n2-drv.c1
-rw-r--r--drivers/char/hw_random/octeon-rng.c1
-rw-r--r--drivers/char/hw_random/omap-rng.c1
-rw-r--r--drivers/char/hw_random/omap3-rom-rng.c1
-rw-r--r--drivers/char/hw_random/pasemi-rng.c1
-rw-r--r--drivers/char/hw_random/ppc4xx-rng.c1
-rw-r--r--drivers/char/hw_random/pseries-rng.c11
-rw-r--r--drivers/char/hw_random/timeriomem-rng.c1
-rw-r--r--drivers/char/hw_random/tx4939-rng.c1
17 files changed, 24 insertions, 32 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 91a04ae8003c..de57b38809c7 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -64,7 +64,7 @@ config HW_RANDOM_AMD
config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
- depends on ARCH_AT91 && HAVE_CLK
+ depends on ARCH_AT91 && HAVE_CLK && OF
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
index 851bc7e20ad2..0fcc9e69a346 100644
--- a/drivers/char/hw_random/atmel-rng.c
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -67,7 +67,7 @@ static int atmel_trng_probe(struct platform_device *pdev)
if (IS_ERR(trng->clk))
return PTR_ERR(trng->clk);
- ret = clk_enable(trng->clk);
+ ret = clk_prepare_enable(trng->clk);
if (ret)
return ret;
@@ -95,7 +95,7 @@ static int atmel_trng_remove(struct platform_device *pdev)
hwrng_unregister(&trng->rng);
writel(TRNG_KEY, trng->base + TRNG_CR);
- clk_disable(trng->clk);
+ clk_disable_unprepare(trng->clk);
return 0;
}
@@ -105,7 +105,7 @@ static int atmel_trng_suspend(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
- clk_disable(trng->clk);
+ clk_disable_unprepare(trng->clk);
return 0;
}
@@ -114,7 +114,7 @@ static int atmel_trng_resume(struct device *dev)
{
struct atmel_trng *trng = dev_get_drvdata(dev);
- return clk_enable(trng->clk);
+ return clk_prepare_enable(trng->clk);
}
static const struct dev_pm_ops atmel_trng_pm_ops = {
@@ -123,15 +123,21 @@ static const struct dev_pm_ops atmel_trng_pm_ops = {
};
#endif /* CONFIG_PM */
+static const struct of_device_id atmel_trng_dt_ids[] = {
+ { .compatible = "atmel,at91sam9g45-trng" },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, atmel_trng_dt_ids);
+
static struct platform_driver atmel_trng_driver = {
.probe = atmel_trng_probe,
.remove = atmel_trng_remove,
.driver = {
.name = "atmel-trng",
- .owner = THIS_MODULE,
#ifdef CONFIG_PM
.pm = &atmel_trng_pm_ops,
#endif /* CONFIG_PM */
+ .of_match_table = atmel_trng_dt_ids,
},
};
diff --git a/drivers/char/hw_random/bcm2835-rng.c b/drivers/char/hw_random/bcm2835-rng.c
index e900961cdd2e..7192ec25f667 100644
--- a/drivers/char/hw_random/bcm2835-rng.c
+++ b/drivers/char/hw_random/bcm2835-rng.c
@@ -99,7 +99,6 @@ MODULE_DEVICE_TABLE(of, bcm2835_rng_of_match);
static struct platform_driver bcm2835_rng_driver = {
.driver = {
.name = "bcm2835-rng",
- .owner = THIS_MODULE,
.of_match_table = bcm2835_rng_of_match,
},
.probe = bcm2835_rng_probe,
diff --git a/drivers/char/hw_random/bcm63xx-rng.c b/drivers/char/hw_random/bcm63xx-rng.c
index 36581ea562cb..ba6a65ac023b 100644
--- a/drivers/char/hw_random/bcm63xx-rng.c
+++ b/drivers/char/hw_random/bcm63xx-rng.c
@@ -162,7 +162,6 @@ static struct platform_driver bcm63xx_rng_driver = {
.remove = bcm63xx_rng_remove,
.driver = {
.name = "bcm63xx-rng",
- .owner = THIS_MODULE,
},
};
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index aa30a25c8d49..1500cfd799a7 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -281,7 +281,6 @@ static ssize_t hwrng_attr_available_show(struct device *dev,
char *buf)
{
int err;
- ssize_t ret = 0;
struct hwrng *rng;
err = mutex_lock_interruptible(&rng_mutex);
@@ -289,16 +288,13 @@ static ssize_t hwrng_attr_available_show(struct device *dev,
return -ERESTARTSYS;
buf[0] = '\0';
list_for_each_entry(rng, &rng_list, list) {
- strncat(buf, rng->name, PAGE_SIZE - ret - 1);
- ret += strlen(rng->name);
- strncat(buf, " ", PAGE_SIZE - ret - 1);
- ret++;
+ strlcat(buf, rng->name, PAGE_SIZE);
+ strlcat(buf, " ", PAGE_SIZE);
}
- strncat(buf, "\n", PAGE_SIZE - ret - 1);
- ret++;
+ strlcat(buf, "\n", PAGE_SIZE);
mutex_unlock(&rng_mutex);
- return ret;
+ return strlen(buf);
}
static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR,
diff --git a/drivers/char/hw_random/exynos-rng.c b/drivers/char/hw_random/exynos-rng.c
index 9f8277cc44b4..fed0830bf724 100644
--- a/drivers/char/hw_random/exynos-rng.c
+++ b/drivers/char/hw_random/exynos-rng.c
@@ -143,7 +143,7 @@ static int exynos_rng_remove(struct platform_device *pdev)
return 0;
}
-#if defined(CONFIG_PM_SLEEP) || defined(CONFIG_PM_RUNTIME)
+#ifdef CONFIG_PM
static int exynos_rng_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -169,7 +169,6 @@ static UNIVERSAL_DEV_PM_OPS(exynos_rng_pm_ops, exynos_rng_runtime_suspend,
static struct platform_driver exynos_rng_driver = {
.driver = {
.name = "exynos-rng",
- .owner = THIS_MODULE,
.pm = &exynos_rng_pm_ops,
},
.probe = exynos_rng_probe,
diff --git a/drivers/char/hw_random/msm-rng.c b/drivers/char/hw_random/msm-rng.c
index 148521e51dc6..cea1c703d62f 100644
--- a/drivers/char/hw_random/msm-rng.c
+++ b/drivers/char/hw_random/msm-rng.c
@@ -185,7 +185,6 @@ static struct platform_driver msm_rng_driver = {
.remove = msm_rng_remove,
.driver = {
.name = KBUILD_MODNAME,
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(msm_rng_of_match),
}
};
diff --git a/drivers/char/hw_random/mxc-rnga.c b/drivers/char/hw_random/mxc-rnga.c
index 6a86b6f56af2..6cbb72ec6013 100644
--- a/drivers/char/hw_random/mxc-rnga.c
+++ b/drivers/char/hw_random/mxc-rnga.c
@@ -206,7 +206,6 @@ static int __exit mxc_rnga_remove(struct platform_device *pdev)
static struct platform_driver mxc_rnga_driver = {
.driver = {
.name = "mxc_rnga",
- .owner = THIS_MODULE,
},
.remove = __exit_p(mxc_rnga_remove),
};
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 292a5889f675..843d6f6aee7a 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -750,7 +750,6 @@ MODULE_DEVICE_TABLE(of, n2rng_match);
static struct platform_driver n2rng_driver = {
.driver = {
.name = "n2rng",
- .owner = THIS_MODULE,
.of_match_table = n2rng_match,
},
.probe = n2rng_probe,
diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index b5cc3420c659..be1c3f607398 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -117,7 +117,6 @@ static int __exit octeon_rng_remove(struct platform_device *pdev)
static struct platform_driver octeon_rng_driver = {
.driver = {
.name = "octeon_rng",
- .owner = THIS_MODULE,
},
.probe = octeon_rng_probe,
.remove = __exit_p(octeon_rng_remove),
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index f66ea258382f..d14dcf788f17 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -456,7 +456,6 @@ static SIMPLE_DEV_PM_OPS(omap_rng_pm, omap_rng_suspend, omap_rng_resume);
static struct platform_driver omap_rng_driver = {
.driver = {
.name = "omap_rng",
- .owner = THIS_MODULE,
.pm = OMAP_RNG_PM,
.of_match_table = of_match_ptr(omap_rng_of_match),
},
diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
index 6f2eaffed623..a405cdcd8dd2 100644
--- a/drivers/char/hw_random/omap3-rom-rng.c
+++ b/drivers/char/hw_random/omap3-rom-rng.c
@@ -126,7 +126,6 @@ static int omap3_rom_rng_remove(struct platform_device *pdev)
static struct platform_driver omap3_rom_rng_driver = {
.driver = {
.name = "omap3-rom-rng",
- .owner = THIS_MODULE,
},
.probe = omap3_rom_rng_probe,
.remove = omap3_rom_rng_remove,
diff --git a/drivers/char/hw_random/pasemi-rng.c b/drivers/char/hw_random/pasemi-rng.c
index c0347d1dded0..3eb7bdd7f93b 100644
--- a/drivers/char/hw_random/pasemi-rng.c
+++ b/drivers/char/hw_random/pasemi-rng.c
@@ -142,7 +142,6 @@ static struct of_device_id rng_match[] = {
static struct platform_driver rng_driver = {
.driver = {
.name = "pasemi-rng",
- .owner = THIS_MODULE,
.of_match_table = rng_match,
},
.probe = rng_probe,
diff --git a/drivers/char/hw_random/ppc4xx-rng.c b/drivers/char/hw_random/ppc4xx-rng.c
index 521f76b0934b..c85d31a5f9e3 100644
--- a/drivers/char/hw_random/ppc4xx-rng.c
+++ b/drivers/char/hw_random/ppc4xx-rng.c
@@ -133,7 +133,6 @@ static struct of_device_id ppc4xx_rng_match[] = {
static struct platform_driver ppc4xx_rng_driver = {
.driver = {
.name = MODULE_NAME,
- .owner = THIS_MODULE,
.of_match_table = ppc4xx_rng_match,
},
.probe = ppc4xx_rng_probe,
diff --git a/drivers/char/hw_random/pseries-rng.c b/drivers/char/hw_random/pseries-rng.c
index 6226aa08c36a..bcf86f91800a 100644
--- a/drivers/char/hw_random/pseries-rng.c
+++ b/drivers/char/hw_random/pseries-rng.c
@@ -25,18 +25,21 @@
#include <asm/vio.h>
-static int pseries_rng_data_read(struct hwrng *rng, u32 *data)
+static int pseries_rng_read(struct hwrng *rng, void *data, size_t max, bool wait)
{
+ u64 buffer[PLPAR_HCALL_BUFSIZE];
+ size_t size = max < 8 ? max : 8;
int rc;
- rc = plpar_hcall(H_RANDOM, (unsigned long *)data);
+ rc = plpar_hcall(H_RANDOM, (unsigned long *)buffer);
if (rc != H_SUCCESS) {
pr_err_ratelimited("H_RANDOM call failed %d\n", rc);
return -EIO;
}
+ memcpy(data, buffer, size);
/* The hypervisor interface returns 64 bits */
- return 8;
+ return size;
}
/**
@@ -55,7 +58,7 @@ static unsigned long pseries_rng_get_desired_dma(struct vio_dev *vdev)
static struct hwrng pseries_rng = {
.name = KBUILD_MODNAME,
- .data_read = pseries_rng_data_read,
+ .read = pseries_rng_read,
};
static int __init pseries_rng_probe(struct vio_dev *dev,
diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index b6ab9ac3f34d..cf37db263ecd 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -200,7 +200,6 @@ MODULE_DEVICE_TABLE(of, timeriomem_rng_match);
static struct platform_driver timeriomem_rng_driver = {
.driver = {
.name = "timeriomem_rng",
- .owner = THIS_MODULE,
.of_match_table = timeriomem_rng_match,
},
.probe = timeriomem_rng_probe,
diff --git a/drivers/char/hw_random/tx4939-rng.c b/drivers/char/hw_random/tx4939-rng.c
index 09c5fbea2b93..a7b694913416 100644
--- a/drivers/char/hw_random/tx4939-rng.c
+++ b/drivers/char/hw_random/tx4939-rng.c
@@ -158,7 +158,6 @@ static int __exit tx4939_rng_remove(struct platform_device *dev)
static struct platform_driver tx4939_rng_driver = {
.driver = {
.name = "tx4939-rng",
- .owner = THIS_MODULE,
},
.remove = tx4939_rng_remove,
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-09 01:25:31 +0300