[PATCH net v4] r8169: Added delay after power on and reset.
From: Corcodel Marian <hidden>
Date: 2016-02-01 16:05:58
Subsystem:
8169 10/100/1000 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
On reset and power on need 2msecs delay to autoload complete data from eeprom to VPD. Signed-off-by: Corcodel Marian <redacted> --- drivers/net/ethernet/realtek/r8169.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 8476659..5186ef9 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c@@ -97,6 +97,7 @@ static const int multicast_filter_limit = 32; #define RTL8169_TX_TIMEOUT (6*HZ) #define RTL8169_PHY_TIMEOUT (10*HZ) +#define RTL8169_EE_TIMEOUT 2 /* 2ms Autoload from eeprom */ /* write/read MMIO register */ #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
@@ -5137,6 +5138,7 @@ static void rtl_hw_reset(struct rtl8169_private *tp) RTL_W8(ChipCmd, CmdReset); rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100); + mdelay(RTL8169_EE_TIMEOUT); } static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
@@ -8183,6 +8185,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); + mdelay(RTL8169_EE_TIMEOUT); /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pci_enable_device(pdev); if (rc < 0) {
--
2.5.0