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firmware: turris-mox-rwtm: Use ALIGN() instead of hardcoding

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Use ALIGN(max, 4) instead of hardcoding ((max + 3) & ~3).

Signed-off-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/20240831092050.23093-16-kabel@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Marek Behún 2024-08-31 11:20:49 +02:00 committed by Arnd Bergmann
parent 8a4853a65b
commit 82944f65a0
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1 changed files with 2 additions and 1 deletions
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drivers/firmware/turris-mox-rwtm.c
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@ -6,6 +6,7 @@
*/
#include <crypto/sha2.h>
#include <linux/align.h>
#include <linux/armada-37xx-rwtm-mailbox.h>
#include <linux/completion.h>
#include <linux/container_of.h>
@ -268,7 +269,7 @@ static int mox_hwrng_read(struct hwrng *rng, void *data, size_t max, bool wait)
msg.command = MBOX_CMD_GET_RANDOM;
msg.args[0] = 1;
msg.args[1] = rwtm->buf_phys;
msg.args[2] = (max + 3) & ~3;
msg.args[2] = ALIGN(max, 4);
if (!wait) {
if (!mutex_trylock(&rwtm->busy))