From 496a34c2249fecc87ee689eede2bb8510c1b37a9 Mon Sep 17 00:00:00 2001 From: Bryan Wu Date: Wed, 19 Sep 2007 23:37:14 +0800 Subject: [PATCH] Blackfin EMAC driver: add power management interface and change the bf537mac_reset to bf537mac_disable Signed-off-by: Bryan Wu Acked-by: Jeff Garzik Signed-off-by: Jeff Garzik --- drivers/net/bfin_mac.c | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index ead7be96997..5cb4433d561 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -672,7 +672,7 @@ 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; @@ -730,7 +730,7 @@ 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; @@ -810,7 +810,7 @@ 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"); @@ -968,15 +968,30 @@ 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, -- 2.20.1