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From: Eddie James <eajames@linux.ibm.com>
To: linux-fsi@lists.ozlabs.org
Cc: eajames@linux.ibm.com, linux-kernel@vger.kernel.org,
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Subject: [PATCH v4 01/40] fsi: hub: Set master index to link number plus one
Date: Wed, 5 Jun 2024 16:22:33 -0500
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| Series |
[v4,01/40] fsi: hub: Set master index to link number plus one
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expand
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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;
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(+)