Commit e62b46cd authored by Takashi Sakamoto's avatar Takashi Sakamoto
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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.

Link: https://lore.kernel.org/r/20260110013911.19160-7-o-takashi@sakamocchi.jp


Signed-off-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
parent ef6bdffb

drivers/firewire/ohci.c

+1 −1
Original line number Diff line number Diff line
@@ -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)