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firewire: ohci: use MAX macro to guarantee minimum count of pages for AR contexts

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

Link: https://lore.kernel.org/r/20260110013911.19160-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto
2026-01-10 10:39:09 +09:00
parent ef6bdffbb8
commit e62b46cdd3
1 changed files with 1 additions and 1 deletions
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drivers/firewire/ohci.c
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@@ -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)