From: Linus Torvalds Date: Mon, 12 Jun 2006 19:53:27 +0000 (-0700) Subject: [sky2] Fix sky2 network driver suspend/resume X-Git-Tag: v2.6.17~22 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d374c1c1281d6188a0d0676172b1c0e3de35c6e7;p=platform%2Fkernel%2Flinux-exynos.git [sky2] Fix sky2 network driver suspend/resume This fixes two independent problems: it would not save the PCI state on suspend (and thus try to resume a nonexistent state on resume), and while shut off, if an interrupt happened on the same shared irq, the irq handler would react very badly to the interrupt status being an invalid all-ones state. Acked-by: Jeff Garzik Signed-off-by: Linus Torvalds --- diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 9591096..6b87c7a 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -2183,6 +2183,9 @@ static int sky2_poll(struct net_device *dev0, int *budget) int work_done = 0; u32 status = sky2_read32(hw, B0_Y2_SP_EISR); + if (!~status) + return 0; + if (status & Y2_IS_HW_ERR) sky2_hw_intr(hw); @@ -3438,6 +3441,7 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state) } } + pci_save_state(pdev); return sky2_set_power_state(hw, pci_choose_state(pdev, state)); }