linux-kernel - [PATCH 6/8] firewire: ohci: use MAX macro to guarantee minimum count of pages for AR contexts

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Message-ID: <20260110013911.19160-7-o-takashi@sakamocchi.jp>
Date: Sat, 10 Jan 2026 10:39:09 +0900
From: Takashi Sakamoto <o-takashi@...amocchi.jp>
To: linux1394-devel@...ts.sourceforge.net
Cc: linux-kernel@...r.kernel.org,
	jgg@...dia.com
Subject: [PATCH 6/8] firewire: ohci: use MAX macro to guarantee minimum count of pages for AR contexts

The computation of page size for AR DMA context can be simplified by MAX
macro.

Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
---
 drivers/firewire/ohci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 68a336577d36..f6da4cd7d123 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -86,7 +86,7 @@ struct descriptor {
 #define AR_BUFFER_SIZE	(32*1024)
 #define AR_BUFFERS_MIN	DIV_ROUND_UP(AR_BUFFER_SIZE, PAGE_SIZE)
 /* we need at least two pages for proper list management */
-#define AR_BUFFERS	(AR_BUFFERS_MIN >= 2 ? AR_BUFFERS_MIN : 2)
+#define AR_BUFFERS	MAX(2, AR_BUFFERS_MIN)
 
 #define MAX_ASYNC_PAYLOAD	4096
 #define MAX_AR_PACKET_SIZE	(16 + MAX_ASYNC_PAYLOAD + 4)
-- 
2.51.0