From: Chris Bostic <cbostic@xxxxxxxxxx>
Move master scan from automatic kick off early in kernel power up
to a scan file that can be invoked at any particular time based
on needs of a given platform.
Signed-off-by: Chris Bostic <cbostic@xxxxxxxxxx>
---
drivers/fsi/fsi-core.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index 3160c1c..5f9f7a9 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -53,8 +53,19 @@ static int fsi_master_scan(struct fsi_master *master)
fsi_slave_init(master, link, slave_id);
return 0;
+}
+
+static ssize_t store_scan(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct fsi_master *master = dev_get_drvdata(dev);
+ fsi_master_scan(master);
+ return count;
}
+static DEVICE_ATTR(scan, 0200, NULL, store_scan);
int fsi_master_register(struct fsi_master *master)
{
@@ -63,8 +74,8 @@ int fsi_master_register(struct fsi_master *master)
master->idx = ida_simple_get(&master_ida, 0, 0, GFP_KERNEL);
get_device(master->dev);
- fsi_master_scan(master);
- return 0;
+ dev_set_drvdata(master->dev, master);
+ return device_create_file(master->dev, &dev_attr_scan);
}
EXPORT_SYMBOL_GPL(fsi_master_register);
--
1.8.2.2
--
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