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@@ -15,6 +15,8 @@
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#include <asm/io.h>
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#include <part_efi.h>
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#include <malloc.h>
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+#include <dm/uclass.h>
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+#include <rng.h>
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/*
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* UUID - Universally Unique IDentifier - 128 bits unique number.
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@@ -249,9 +251,22 @@ void gen_rand_uuid(unsigned char *uuid_bin)
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{
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u32 ptr[4];
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struct uuid *uuid = (struct uuid *)ptr;
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- int i;
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-
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- srand(get_ticks() + rand());
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+ int i, ret;
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+ struct udevice *devp;
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+ u32 randv = 0;
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+
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+ if (IS_ENABLED(CONFIG_DM_RNG)) {
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+ ret = uclass_get_device(UCLASS_RNG, 0, &devp);
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+ if (ret) {
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+ ret = dm_rng_read(devp, &randv, sizeof(randv));
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+ if (ret < 0)
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+ randv = 0;
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+ }
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+ }
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+ if (randv)
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+ srand(randv);
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+ else
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+ srand(get_ticks() + rand());
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/* Set all fields randomly */
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for (i = 0; i < 4; i++)
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