[PATCH v3 01/40] fsi: hub: Set master index to link number plus one

Eddie James
2024-05-16T18:19:31Z

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