From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bryan Wu Subject: [PATCH 2/3] Blackfin EMAC driver: add power management interface and change the bf537mac_reset to bf537mac_disable Date: Sun, 16 Sep 2007 10:57:33 +0800 Message-ID: <1189911453.9901.6.camel@roc-laptop> Reply-To: bryan.wu@analog.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: jeff@garzik.org, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, uclinux-dist-devel@blackfin.uclinux.org Return-path: Received: from nwd2mail10.analog.com ([137.71.25.55]:6038 "EHLO nwd2mail10.analog.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754409AbXIPC5j (ORCPT ); Sat, 15 Sep 2007 22:57:39 -0400 Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Signed-off-by: Bryan Wu --- drivers/net/bfin_mac.c | 23 +++++++++++++++++++---- 1 files changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 8d61ca9..3015385 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -677,7 +677,7 @@ static void bf537mac_poll(struct net_device *dev) } #endif /* CONFIG_NET_POLL_CONTROLLER */ -static void bf537mac_reset(void) +static void bf537mac_disable(void) { unsigned int opmode; @@ -735,7 +735,7 @@ static void bf537mac_timeout(struct net_device *dev) { pr_debug("%s: %s\n", dev->name, __FUNCTION__); - bf537mac_reset(); + bf537mac_disable(); /* reset tx queue */ tx_list_tail = tx_list_head->next; @@ -829,7 +829,7 @@ static int bf537mac_open(struct net_device *dev) bf537mac_setphy(dev); setup_system_regs(dev); - bf537mac_reset(); + bf537mac_disable(); bf537mac_enable(dev); pr_debug("hardware init finished\n"); @@ -989,15 +989,30 @@ static int bfin_mac_remove(struct platform_device *pdev) return 0; } -static int bfin_mac_suspend(struct platform_device *pdev, pm_message_t state) +#ifdef CONFIG_PM +static int bfin_mac_suspend(struct platform_device *pdev, pm_message_t mesg) { + struct net_device *net_dev = platform_get_drvdata(pdev); + + if (netif_running(net_dev)) + bf537mac_close(net_dev); + return 0; } static int bfin_mac_resume(struct platform_device *pdev) { + struct net_device *net_dev = platform_get_drvdata(pdev); + + if (netif_running(net_dev)) + bf537mac_open(net_dev); + return 0; } +#else +#define bfin_mac_suspend NULL +#define bfin_mac_resume NULL +#endif /* CONFIG_PM */ static struct platform_driver bfin_mac_driver = { .probe = bfin_mac_probe, -- 1.5.2