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From: Eddie James <eajames@linux.ibm.com>
To: linux-fsi@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-spi@vger.kernel.org, broonie@kernel.org, andi.shyti@kernel.org,
        joel@jms.id.au, alistair@popple.id.au, jk@ozlabs.org,
        andrew@codeconstruct.com.au, linux-aspeed@lists.ozlabs.org,
        eajames@linux.ibm.com
Subject: [PATCH v3 01/40] fsi: hub: Set master index to link number plus one
Date: Thu, 16 May 2024 13:18:28 -0500
Message-Id: <20240516181907.3468796-2-eajames@linux.ibm.com>
In-Reply-To: <20240516181907.3468796-1-eajames@linux.ibm.com>
References: <20240516181907.3468796-1-eajames@linux.ibm.com>
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Hub master indexing is problematic if a hub is rescanned while the root
master is being rescanned. Therefore, request a specific index in the hub
driver.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
 drivers/fsi/fsi-master-hub.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/fsi/fsi-master-hub.c b/drivers/fsi/fsi-master-hub.c
index 6d8b6e8854e56..36da643b32018 100644
--- a/drivers/fsi/fsi-master-hub.c
+++ b/drivers/fsi/fsi-master-hub.c
@@ -12,6 +12,7 @@
 #include <linux/slab.h>
 
 #include "fsi-master.h"
+#include "fsi-slave.h"
 
 #define FSI_ENGID_HUB_MASTER		0x1c
 
@@ -229,6 +230,7 @@ static int hub_master_probe(struct device *dev)
 	hub->master.dev.release = hub_master_release;
 	hub->master.dev.of_node = of_node_get(dev_of_node(dev));
 
+	hub->master.idx = fsi_dev->slave->link + 1;
 	hub->master.n_links = links;
 	hub->master.read = hub_master_read;
 	hub->master.write = hub_master_write;
-- 
2.39.3