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authorEddie James <eajames@linux.ibm.com>2023-06-12 14:56:46 -0500
committerJoel Stanley <joel@jms.id.au>2023-08-09 15:43:27 +0930
commitc21d322e1ae5e1e80384c949f24b761f6f2b6c67 (patch)
tree15ab4b529d6852b9a8b538d8ccf033f6d6a55461 /drivers/fsi
parent21930d80ed4f76fea3d8773a6c4c8e6f57326fdd (diff)
fsi: Use of_match_table for bus matching if specified
Since we have two scom drivers, use the standard of matching if the driver specifies a table so that the right devices go to the right driver. Signed-off-by: Eddie James <eajames@linux.ibm.com> Link: https://lore.kernel.org/r/20230612195657.245125-4-eajames@linux.ibm.com Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/fsi')
-rw-r--r--drivers/fsi/fsi-core.c11
-rw-r--r--drivers/fsi/fsi-scom.c8
2 files changed, 17 insertions, 2 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index 778e7d0af34f..8cf50d95998c 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/bitops.h>
#include <linux/cdev.h>
@@ -1354,8 +1355,14 @@ static int fsi_bus_match(struct device *dev, struct device_driver *drv)
if (id->engine_type != fsi_dev->engine_type)
continue;
if (id->version == FSI_VERSION_ANY ||
- id->version == fsi_dev->version)
- return 1;
+ id->version == fsi_dev->version) {
+ if (drv->of_match_table) {
+ if (of_driver_match_device(dev, drv))
+ return 1;
+ } else {
+ return 1;
+ }
+ }
}
return 0;
diff --git a/drivers/fsi/fsi-scom.c b/drivers/fsi/fsi-scom.c
index bcb756dc9866..61dbda9dbe2b 100644
--- a/drivers/fsi/fsi-scom.c
+++ b/drivers/fsi/fsi-scom.c
@@ -10,6 +10,7 @@
#include <linux/cdev.h>
#include <linux/delay.h>
#include <linux/fs.h>
+#include <linux/mod_devicetable.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/list.h>
@@ -587,6 +588,12 @@ static int scom_remove(struct device *dev)
return 0;
}
+static const struct of_device_id scom_of_ids[] = {
+ { .compatible = "ibm,fsi2pib" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, scom_of_ids);
+
static const struct fsi_device_id scom_ids[] = {
{
.engine_type = FSI_ENGID_SCOM,
@@ -600,6 +607,7 @@ static struct fsi_driver scom_drv = {
.drv = {
.name = "scom",
.bus = &fsi_bus_type,
+ .of_match_table = scom_of_ids,
.probe = scom_probe,
.remove = scom_remove,
}