linux-kernel - [PATCH v2 1/2] msi: The MSI framework only supports 2048 platform MSIs

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Message-Id: <20220614151411.32674-1-jvetter@kalrayinc.com>
Date:   Tue, 14 Jun 2022 17:14:10 +0200
From:   Julian Vetter <jvetter@...rayinc.com>
To:     gregkh@...uxfoundation.org, rafael@...nel.org,
        linux-kernel@...r.kernel.org, ysionneau@...rayinc.com,
        jmaselbas@...rayinc.com
Cc:     Julian Vetter <jvetter@...rayinc.com>
Subject: [PATCH v2 1/2] msi: The MSI framework only supports 2048 platform MSIs

Some devices need more MSIs. To support this the number must be
increased.

Signed-off-by: Julian Vetter <jvetter@...rayinc.com>
Reviewed-by: Yann Sionneau <ysionneau@...rayinc.com>
---
(no changes since v1)

 drivers/base/platform-msi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
index 296ea673d661..4b0b2fe3a7ff 100644
--- a/drivers/base/platform-msi.c
+++ b/drivers/base/platform-msi.c
@@ -13,7 +13,7 @@
 #include <linux/msi.h>
 #include <linux/slab.h>
 
-#define DEV_ID_SHIFT	21
+#define DEV_ID_SHIFT	19
 #define MAX_DEV_MSIS	(1 << (32 - DEV_ID_SHIFT))
 
 /*
-- 
2.17.1