diff mbox series

[v5,15/16] firmware: turris-mox-rwtm: Use ALIGN() instead of hardcoding

Message ID 20240831092050.23093-16-kabel@kernel.org (mailing list archive)
State Accepted
Commit 82944f65a0a59a44c397e3e22d592afdfb9b3074
Delegated to: Arnd Bergmann
Headers show
Series Updates for turris-mox-rwtm driver | expand

Commit Message

Marek Behún Aug. 31, 2024, 9:20 a.m. UTC 
Use ALIGN(max, 4) instead of hardcoding ((max + 3) & ~3).

Signed-off-by: Marek Behún <kabel@kernel.org>
---
 drivers/firmware/turris-mox-rwtm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/firmware/turris-mox-rwtm.c b/drivers/firmware/turris-mox-rwtm.c
index a9391705f5b4..0c7d8c96ea17 100644
--- a/drivers/firmware/turris-mox-rwtm.c
+++ b/drivers/firmware/turris-mox-rwtm.c
@@ -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))