linux-kernel - [PATCH v2] random: do not include <asm/archrandom.h> from random.h

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Message-Id: <20221029010857.161574-1-Jason@zx2c4.com>
Date:   Sat, 29 Oct 2022 03:08:57 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     linux-kernel@...r.kernel.org
Cc:     "Jason A. Donenfeld" <Jason@...c4.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <hca@...ux.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org
Subject: [PATCH v2] random: do not include <asm/archrandom.h> from random.h

The <asm/archrandom.h> header is a random.c private detail, not
something to be called by other code. As such, don't make it
automatically available by way of random.h.

Cc: Michael Ellerman <mpe@...erman.id.au>
Cc: Heiko Carstens <hca@...ux.ibm.com>
Cc: linuxppc-dev@...ts.ozlabs.org
Cc: linux-s390@...r.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 arch/powerpc/kernel/setup-common.c | 1 +
 arch/s390/kernel/setup.c           | 1 +
 drivers/char/random.c              | 1 +
 include/linux/random.h             | 2 --
 4 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 6d041993a45d..9b10e57040c6 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -59,6 +59,7 @@
 #include <asm/xmon.h>
 #include <asm/cputhreads.h>
 #include <mm/mmu_decl.h>
+#include <asm/archrandom.h>
 #include <asm/fadump.h>
 #include <asm/udbg.h>
 #include <asm/hugetlb.h>
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index ab19ddb09d65..b53a45735a5d 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -52,6 +52,7 @@
 #include <linux/hugetlb.h>
 #include <linux/kmemleak.h>
 
+#include <asm/archrandom.h>
 #include <asm/boot_data.h>
 #include <asm/ipl.h>
 #include <asm/facility.h>
diff --git a/drivers/char/random.c b/drivers/char/random.c
index e3cf4f51ed58..a7afd17db075 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -55,6 +55,7 @@
 #include <linux/siphash.h>
 #include <crypto/chacha.h>
 #include <crypto/blake2s.h>
+#include <asm/archrandom.h>
 #include <asm/processor.h>
 #include <asm/irq.h>
 #include <asm/irq_regs.h>
diff --git a/include/linux/random.h b/include/linux/random.h
index 2bdd3add3400..47e7cf126e8f 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -151,8 +151,6 @@ declare_get_random_var_wait(long, unsigned long)
  */
 #include <linux/prandom.h>
 
-#include <asm/archrandom.h>
-
 #ifdef CONFIG_SMP
 int random_prepare_cpu(unsigned int cpu);
 int random_online_cpu(unsigned int cpu);
-- 
2.38.1