From mboxrd@z Thu Jan 1 00:00:00 1970 From: Neil Armstrong Subject: [PATCH 2/6] net: dsa: allow switch drivers to cleanup their resources Date: Tue, 27 Oct 2015 15:48:55 +0100 Message-ID: <562F8ED7.2000804@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: Andrew Lunn , Florian Fainelli , Guenter Roeck , vivien.didelot@savoirfairelinux.com, Fabian Frederick , Pavel Nakonechny , Joe Perches , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Frode Isaksen To: "David S. Miller" Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Some switch drivers might request interrupts, remap register ranges, allow such drivers to implement a "remove" callback doing just that. Suggested-by: Florian Fainelli Signed-off-by: Neil Armstrong --- 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 d4d13f7..725b11f 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -211,6 +211,7 @@ 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 aeb6a7c..7c9914b 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 -- 1.9.1