summaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 02:04:56 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-06-29 02:04:56 +0300
commit6159c49e12284b4880fd60e0575a71a40556a67e (patch)
treeb969ffe7cd182d77052f91ec3d221e6726f0457c /drivers/char
parent31e798fd6f0ff0acdc49c1a358b581730936a09a (diff)
parent9f38b678ffc4e2ccf167a1131c0403dc4f5e1bb7 (diff)
downloadlinux-6159c49e12284b4880fd60e0575a71a40556a67e.tar.xz
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "Algorithms: - Fix rmmod crash with x86/curve25519 - Add ECDH NIST P384 - Generate assembly files at build-time with perl scripts on arm - Switch to HMAC SHA512 DRBG as default DRBG Drivers: - Add sl3516 crypto engine - Add ECDH NIST P384 support in hisilicon/hpre - Add {ofb,cfb,ctr} over {aes,sm4} in hisilicon/sec - Add {ccm,gcm} over {aes,sm4} in hisilicon/sec - Enable omap hwrng driver for TI K3 family - Add support for AEAD algorithms in qce" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (142 commits) crypto: sl3516 - depends on HAS_IOMEM crypto: hisilicon/qm - implement for querying hardware tasks status. crypto: sl3516 - Fix build warning without CONFIG_PM MAINTAINERS: update caam crypto driver maintainers list crypto: nx - Fix numerous sparse byte-order warnings crypto: nx - Fix RCU warning in nx842_OF_upd_status crypto: api - Move crypto attr definitions out of crypto.h crypto: nx - Fix memcpy() over-reading in nonce crypto: hisilicon/sec - Fix spelling mistake "fallbcak" -> "fallback" crypto: sa2ul - Remove unused auth_len variable crypto: sl3516 - fix duplicated inclusion crypto: hisilicon/zip - adds the max shaper type rate crypto: hisilicon/hpre - adds the max shaper type rate crypto: hisilicon/sec - adds the max shaper type rate crypto: hisilicon/qm - supports to inquiry each function's QoS crypto: hisilicon/qm - add pf ping single vf function crypto: hisilicon/qm - merges the work initialization process into a single function crypto: hisilicon/qm - add the "alg_qos" file node crypto: hisilicon/qm - supports writing QoS int the host crypto: api - remove CRYPTOA_U32 and related functions ...
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/hw_random/Kconfig10
-rw-r--r--drivers/char/hw_random/amd-rng.c2
-rw-r--r--drivers/char/hw_random/core.c38
-rw-r--r--drivers/char/hw_random/exynos-trng.c7
-rw-r--r--drivers/char/hw_random/ks-sa-rng.c3
-rw-r--r--drivers/char/hw_random/omap-rng.c6
6 files changed, 28 insertions, 38 deletions
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 1fe006f3f12f..c11f12d4ab53 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -165,17 +165,17 @@ config HW_RANDOM_IXP4XX
config HW_RANDOM_OMAP
tristate "OMAP Random Number Generator support"
- depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU
+ depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS || ARCH_MVEBU || ARCH_K3
default HW_RANDOM
help
- This driver provides kernel-side support for the Random Number
+ This driver provides kernel-side support for the Random Number
Generator hardware found on OMAP16xx, OMAP2/3/4/5, AM33xx/AM43xx
multimedia processors, and Marvell Armada 7k/8k SoCs.
To compile this driver as a module, choose M here: the
module will be called omap-rng.
- If unsure, say Y.
+ If unsure, say Y.
config HW_RANDOM_OMAP3_ROM
tristate "OMAP3 ROM Random Number Generator support"
@@ -485,13 +485,13 @@ config HW_RANDOM_NPCM
depends on ARCH_NPCM || COMPILE_TEST
default HW_RANDOM
help
- This driver provides support for the Random Number
+ This driver provides support for the Random Number
Generator hardware available in Nuvoton NPCM SoCs.
To compile this driver as a module, choose M here: the
module will be called npcm-rng.
- If unsure, say Y.
+ If unsure, say Y.
config HW_RANDOM_KEYSTONE
depends on ARCH_KEYSTONE || COMPILE_TEST
diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c
index 9959c762da2f..d8d4ef5214a1 100644
--- a/drivers/char/hw_random/amd-rng.c
+++ b/drivers/char/hw_random/amd-rng.c
@@ -126,7 +126,7 @@ static struct hwrng amd_rng = {
static int __init mod_init(void)
{
- int err = -ENODEV;
+ int err;
struct pci_dev *pdev = NULL;
const struct pci_device_id *ent;
u32 pmbase;
diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index adb3c2bd7783..a3db27916256 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -319,11 +319,11 @@ static int enable_best_rng(void)
return ret;
}
-static ssize_t hwrng_attr_current_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t len)
+static ssize_t rng_current_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t len)
{
- int err = -ENODEV;
+ int err;
struct hwrng *rng, *old_rng, *new_rng;
err = mutex_lock_interruptible(&rng_mutex);
@@ -354,9 +354,9 @@ static ssize_t hwrng_attr_current_store(struct device *dev,
return err ? : len;
}
-static ssize_t hwrng_attr_current_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t rng_current_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
ssize_t ret;
struct hwrng *rng;
@@ -371,9 +371,9 @@ static ssize_t hwrng_attr_current_show(struct device *dev,
return ret;
}
-static ssize_t hwrng_attr_available_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t rng_available_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
int err;
struct hwrng *rng;
@@ -392,22 +392,16 @@ static ssize_t hwrng_attr_available_show(struct device *dev,
return strlen(buf);
}
-static ssize_t hwrng_attr_selected_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t rng_selected_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
{
return sysfs_emit(buf, "%d\n", cur_rng_set_by_user);
}
-static DEVICE_ATTR(rng_current, S_IRUGO | S_IWUSR,
- hwrng_attr_current_show,
- hwrng_attr_current_store);
-static DEVICE_ATTR(rng_available, S_IRUGO,
- hwrng_attr_available_show,
- NULL);
-static DEVICE_ATTR(rng_selected, S_IRUGO,
- hwrng_attr_selected_show,
- NULL);
+static DEVICE_ATTR_RW(rng_current);
+static DEVICE_ATTR_RO(rng_available);
+static DEVICE_ATTR_RO(rng_selected);
static struct attribute *rng_dev_attrs[] = {
&dev_attr_rng_current.attr,
diff --git a/drivers/char/hw_random/exynos-trng.c b/drivers/char/hw_random/exynos-trng.c
index 8e1fe3f8dd2d..9cc3d542dd0f 100644
--- a/drivers/char/hw_random/exynos-trng.c
+++ b/drivers/char/hw_random/exynos-trng.c
@@ -132,7 +132,7 @@ static int exynos_trng_probe(struct platform_device *pdev)
return PTR_ERR(trng->mem);
pm_runtime_enable(&pdev->dev);
- ret = pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "Could not get runtime PM.\n");
goto err_pm_get;
@@ -165,7 +165,7 @@ err_register:
clk_disable_unprepare(trng->clk);
err_clock:
- pm_runtime_put_sync(&pdev->dev);
+ pm_runtime_put_noidle(&pdev->dev);
err_pm_get:
pm_runtime_disable(&pdev->dev);
@@ -196,10 +196,9 @@ static int __maybe_unused exynos_trng_resume(struct device *dev)
{
int ret;
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0) {
dev_err(dev, "Could not get runtime PM.\n");
- pm_runtime_put_noidle(dev);
return ret;
}
diff --git a/drivers/char/hw_random/ks-sa-rng.c b/drivers/char/hw_random/ks-sa-rng.c
index 8f1d47ff9799..2f2f21f1b659 100644
--- a/drivers/char/hw_random/ks-sa-rng.c
+++ b/drivers/char/hw_random/ks-sa-rng.c
@@ -241,10 +241,9 @@ static int ks_sa_rng_probe(struct platform_device *pdev)
}
pm_runtime_enable(dev);
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0) {
dev_err(dev, "Failed to enable SA power-domain\n");
- pm_runtime_put_noidle(dev);
pm_runtime_disable(dev);
return ret;
}
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index cede9f159102..00ff96703dd2 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -454,10 +454,9 @@ static int omap_rng_probe(struct platform_device *pdev)
}
pm_runtime_enable(&pdev->dev);
- ret = pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_resume_and_get(&pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to runtime_get device: %d\n", ret);
- pm_runtime_put_noidle(&pdev->dev);
goto err_ioremap;
}
@@ -543,10 +542,9 @@ static int __maybe_unused omap_rng_resume(struct device *dev)
struct omap_rng_dev *priv = dev_get_drvdata(dev);
int ret;
- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret < 0) {
dev_err(dev, "Failed to runtime_get device: %d\n", ret);
- pm_runtime_put_noidle(dev);
return ret;
}