[RFC PATCH v2 1/4] net: dsa: allow switch drivers to cleanup their resources
From: Neil Armstrong <hidden>
Date: 2015-10-28 14:13:09
Also in:
lkml
Subsystem:
networking [dsa], networking [general], the rest · Maintainers:
Andrew Lunn, Vladimir Oltean, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Some switch drivers might request interrupts, remap register ranges, allow such drivers to implement a "remove" callback doing just that. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Neil Armstrong <redacted> --- include/net/dsa.h | 1 + net/dsa/dsa.c | 4 ++++ 2 files changed, 5 insertions(+)
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 98ccbde..0e1502c 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h@@ -212,6 +212,7 @@ struct dsa_switch_driver { */ char *(*probe)(struct device *host_dev, int sw_addr); int (*setup)(struct dsa_switch *ds); + void (*remove)(struct dsa_switch *ds); int (*set_addr)(struct dsa_switch *ds, u8 *addr); u32 (*get_phy_flags)(struct dsa_switch *ds, int port);
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 1eba07f..f462fc5 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c@@ -459,6 +459,10 @@ static void dsa_switch_destroy(struct dsa_switch *ds) } mdiobus_unregister(ds->slave_mii_bus); + + /* Leave a chance to the driver to cleanup */ + if (ds->drv->remove) + ds->drv->remove(ds); } #ifdef CONFIG_PM_SLEEP
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1.9.1