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Subject[PATCH 2/4] parport: do not check portlist when using device-model
Date
We do not need to maintain a list of ports when we are using the
device-model. The base layer is going to maintain the list for us and
we can get the list of ports just using bus_for_each_dev().

Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
---
drivers/parport/share.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/parport/share.c b/drivers/parport/share.c
index 7b4ee33c1935..96538b7975e5 100644
--- a/drivers/parport/share.c
+++ b/drivers/parport/share.c
@@ -266,9 +266,6 @@ static int port_check(struct device *dev, void *dev_drv)
int __parport_register_driver(struct parport_driver *drv, struct module *owner,
const char *mod_name)
{
- if (list_empty(&portlist))
- get_lowlevel_driver();
-
if (drv->devmodel) {
/* using device model */
int ret;
@@ -292,6 +289,8 @@ int __parport_register_driver(struct parport_driver *drv, struct module *owner,

drv->devmodel = false;

+ if (list_empty(&portlist))
+ get_lowlevel_driver();
mutex_lock(&registration_lock);
list_for_each_entry(port, &portlist, list)
drv->attach(port);
--
2.11.0
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