Revert "i2c: scmi: Replace open coded device_get_match_data()"

This reverts commit 9ae551ded5ba55f96a83cd0811f7ef8c2f329d0c. We got a
regression report, so ensure this machine boots again. We will come back
with a better version hopefully.

Reported-by: Josef Johansson <josef@oderland.se>
Link: https://lore.kernel.org/r/4d2d5b04-0b6c-1cb1-a63f-dc06dfe1b5da@oderland.se
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c
index 79798fc..6746aa4 100644 (file)
--- a/drivers/i2c/busses/i2c-scmi.c
+++ b/drivers/i2c/busses/i2c-scmi.c
@@ -30,7 +30,7 @@ struct acpi_smbus_cmi {
        u8 cap_info:1;
        u8 cap_read:1;
        u8 cap_write:1;
-       const struct smbus_methods_t *methods;
+       struct smbus_methods_t *methods;
 };
 
 static const struct smbus_methods_t smbus_methods = {
@@ -361,6 +361,7 @@ static acpi_status acpi_smbus_cmi_query_methods(acpi_handle handle, u32 level,
 static int acpi_smbus_cmi_add(struct acpi_device *device)
 {
        struct acpi_smbus_cmi *smbus_cmi;
+       const struct acpi_device_id *id;
        int ret;
 
        smbus_cmi = kzalloc(sizeof(struct acpi_smbus_cmi), GFP_KERNEL);
@@ -368,7 +369,6 @@ static int acpi_smbus_cmi_add(struct acpi_device *device)
                return -ENOMEM;
 
        smbus_cmi->handle = device->handle;
-       smbus_cmi->methods = device_get_match_data(&device->dev);
        strcpy(acpi_device_name(device), ACPI_SMBUS_HC_DEVICE_NAME);
        strcpy(acpi_device_class(device), ACPI_SMBUS_HC_CLASS);
        device->driver_data = smbus_cmi;
@@ -376,6 +376,11 @@ static int acpi_smbus_cmi_add(struct acpi_device *device)
        smbus_cmi->cap_read = 0;
        smbus_cmi->cap_write = 0;
 
+       for (id = acpi_smbus_cmi_ids; id->id[0]; id++)
+               if (!strcmp(id->id, acpi_device_hid(device)))
+                       smbus_cmi->methods =
+                               (struct smbus_methods_t *) id->driver_data;
+
        acpi_walk_namespace(ACPI_TYPE_METHOD, smbus_cmi->handle, 1,
                            acpi_smbus_cmi_query_methods, NULL, smbus_cmi, NULL);