[PATCH v1 1/6] driver core: Remove the link if there is no driver with AUTO flag
From: Saravana Kannan <hidden>
Date: 2020-03-17 06:55:06
Also in:
linux-doc, linux-mediatek, linux-pm, lkml, stable
Subsystem:
driver core, kobjects, debugfs and sysfs, the rest · Maintainers:
Greg Kroah-Hartman, "Rafael J. Wysocki", Danilo Krummrich, Linus Torvalds
From: Yong Wu <yong.wu@mediatek.com> DL_FLAG_AUTOREMOVE_CONSUMER/SUPPLIER means "Remove the link automatically on consumer/supplier driver unbind", that means we should remove whole the device_link when there is no this driver no matter what the ref_count of the link is. CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yong Wu <yong.wu@mediatek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 0fe6f7874d467456da6f6a221dd92499a3ab1780) Signed-off-by: Saravana Kannan <redacted> --- drivers/base/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 742bc60e9cca..b354fdd7ce75 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c@@ -546,7 +546,7 @@ static void __device_links_no_driver(struct device *dev) continue; if (link->flags & DL_FLAG_AUTOREMOVE_CONSUMER) - kref_put(&link->kref, __device_link_del); + __device_link_del(&link->kref); else if (link->status != DL_STATE_SUPPLIER_UNBIND) WRITE_ONCE(link->status, DL_STATE_AVAILABLE); }
@@ -591,7 +591,7 @@ void device_links_driver_cleanup(struct device *dev) */ if (link->status == DL_STATE_SUPPLIER_UNBIND && link->flags & DL_FLAG_AUTOREMOVE_SUPPLIER) - kref_put(&link->kref, __device_link_del); + __device_link_del(&link->kref); WRITE_ONCE(link->status, DL_STATE_DORMANT); }
--
2.25.1.481.gfbce0eb801-goog
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