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authorJeremy Kerr <jk@ozlabs.org>2018-02-12 08:15:40 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-14 21:11:00 +0300
commit15362d69c4c88a8f1762b319281c976d293cfe47 (patch)
tree6d379358106b5e363b1cc1119d1b3920ec5ce6a9 /drivers/fsi
parent57adbeea6451cedfeda257fe77749512894dff29 (diff)
downloadlinux-15362d69c4c88a8f1762b319281c976d293cfe47.tar.xz
fsi: Add fsi_master_rescan()
We'll want non-core fsi code to trigger a rescan, so introduce a non-static fsi_master_rescan() function. Use this for the existing unscan/scan behaviour too. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Reviewed-by: Joel Stanley <joel@jms.id.au> Reviewed-by: Christopher Bostic <clbostic@linux.vnet.ibm.com> Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fsi')
-rw-r--r--drivers/fsi/fsi-core.c10
-rw-r--r--drivers/fsi/fsi-master.h2
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index e318bf8c623c..6e5aa9b26665 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -762,14 +762,20 @@ static void fsi_master_unscan(struct fsi_master *master)
device_for_each_child(&master->dev, NULL, fsi_master_remove_slave);
}
+int fsi_master_rescan(struct fsi_master *master)
+{
+ fsi_master_unscan(master);
+ return fsi_master_scan(master);
+}
+EXPORT_SYMBOL_GPL(fsi_master_rescan);
+
static ssize_t master_rescan_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct fsi_master *master = to_fsi_master(dev);
int rc;
- fsi_master_unscan(master);
- rc = fsi_master_scan(master);
+ rc = fsi_master_rescan(master);
if (rc < 0)
return rc;
diff --git a/drivers/fsi/fsi-master.h b/drivers/fsi/fsi-master.h
index 12f7b119567d..18bd4ad79356 100644
--- a/drivers/fsi/fsi-master.h
+++ b/drivers/fsi/fsi-master.h
@@ -40,4 +40,6 @@ struct fsi_master {
extern int fsi_master_register(struct fsi_master *master);
extern void fsi_master_unregister(struct fsi_master *master);
+extern int fsi_master_rescan(struct fsi_master *master);
+
#endif /* DRIVERS_FSI_MASTER_H */