linux-kernel - [PATCH v2 1/2] iommu: apple-dart: Increase MAX_DARTS_PER

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Message-Id: <20250228-isp-dart-v2-1-0ead81a90e2d@gmail.com>
Date: Fri, 28 Feb 2025 17:32:07 +0100
From: Sasha Finkelstein via B4 Relay <devnull+fnkl.kernel.gmail.com@...nel.org>
To: Sven Peter <sven@...npeter.dev>, Janne Grunau <j@...nau.net>, 
 Alyssa Rosenzweig <alyssa@...enzweig.io>, Joerg Roedel <joro@...tes.org>, 
 Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 iommu@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Sasha Finkelstein <fnkl.kernel@...il.com>, Hector Martin <marcan@...can.st>
Subject: [PATCH v2 1/2] iommu: apple-dart: Increase MAX_DARTS_PER_DEVICE to
 3

From: Hector Martin <marcan@...can.st>

ISP needs this.

Signed-off-by: Hector Martin <marcan@...can.st>
Reviewed-by: Alyssa Rosenzweig <alyssa@...enzweig.io>
Signed-off-by: Sasha Finkelstein <fnkl.kernel@...il.com>
---
 drivers/iommu/apple-dart.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/apple-dart.c b/drivers/iommu/apple-dart.c
index 95ba3caeb40177901086076416874b9905a1f40a..edb2fb22333506d7c64ad1b6321df00ebfd07747 100644
--- a/drivers/iommu/apple-dart.c
+++ b/drivers/iommu/apple-dart.c
@@ -36,7 +36,7 @@
 
 #define DART_MAX_STREAMS 256
 #define DART_MAX_TTBR 4
-#define MAX_DARTS_PER_DEVICE 2
+#define MAX_DARTS_PER_DEVICE 3
 
 /* Common registers */
 

-- 
2.48.1