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authorTom Rini <trini@konsulko.com>2020-01-08 18:57:11 -0500
committerTom Rini <trini@konsulko.com>2020-01-08 18:57:11 -0500
commit7086de4948ba2bc46cdd3001f7d845535f05f7fe (patch)
tree1689ea51d9e9cd24ba10d4dbcc590c087062911f /drivers/rng/rng-uclass.c
parent21aede21b060661977fd3d11f96211bd4f254096 (diff)
parent7d6f16fbde9a03adc7d85b8809cb16dbc5e311f9 (diff)
Merge tag 'efi-2020-04-rc1' of https://gitlab.denx.de/u-boot/custodians/u-boot-efi
Pull request for UEFI sub-system for efi-2020-04-rc1 This pull request provides: * support for FIT images for UEFI binaries * drivers for hardware random number generators * an implementation of the EFI_RNG_PROTOCOL * a sub-command for efidebug to display configuration tables
Diffstat (limited to 'drivers/rng/rng-uclass.c')
-rw-r--r--drivers/rng/rng-uclass.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/rng/rng-uclass.c b/drivers/rng/rng-uclass.c
new file mode 100644
index 00000000000..b6af3b8606a
--- /dev/null
+++ b/drivers/rng/rng-uclass.c
@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2019, Linaro Limited
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <rng.h>
+
+int dm_rng_read(struct udevice *dev, void *buffer, size_t size)
+{
+ const struct dm_rng_ops *ops = device_get_ops(dev);
+
+ if (!ops->read)
+ return -ENOSYS;
+
+ return ops->read(dev, buffer, size);
+}
+
+UCLASS_DRIVER(rng) = {
+ .name = "rng",
+ .id = UCLASS_RNG,
+};