From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp04.au.ibm.com (e23smtp04.au.ibm.com [202.81.31.146]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 836FF2C041B for ; Fri, 17 Jan 2014 16:10:18 +1100 (EST) Received: from /spool/local by e23smtp04.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 17 Jan 2014 15:10:18 +1000 Received: from d23relay05.au.ibm.com (d23relay05.au.ibm.com [9.190.235.152]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id 7224A2CE8040 for ; Fri, 17 Jan 2014 16:10:14 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay05.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id s0H4nllH60817512 for ; Fri, 17 Jan 2014 15:49:52 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id s0H58pcl027796 for ; Fri, 17 Jan 2014 16:08:51 +1100 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH 1/3] pci: add "fundamental reset" quirk Date: Fri, 17 Jan 2014 16:08:46 +1100 Message-Id: <1389935328-22588-2-git-send-email-aik@ozlabs.ru> In-Reply-To: <1389935328-22588-1-git-send-email-aik@ozlabs.ru> References: <1389935328-22588-1-git-send-email-aik@ozlabs.ru> Cc: aik@ozlabs.ru, Paul Mackerras , Thadeu Lima de Souza Cascardo List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Thadeu Lima de Souza Cascardo Signed-off-by: Thadeu Lima de Souza Cascardo --- drivers/pci/quirks.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index f6c31fa..f3eedbf 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3271,6 +3271,19 @@ static int reset_chelsio_generic_dev(struct pci_dev *dev, int probe) return 0; } +static int reset_fundamental(struct pci_dev *dev, int probe) +{ + if (probe) + return 0; + + pci_set_pcie_reset_state(dev, pcie_hot_reset); + msleep(250); + pci_set_pcie_reset_state(dev, pcie_deassert_reset); + msleep(1800); + + return 0; +} + #define PCI_DEVICE_ID_INTEL_82599_SFP_VF 0x10ed #define PCI_DEVICE_ID_INTEL_IVB_M_VGA 0x0156 #define PCI_DEVICE_ID_INTEL_IVB_M2_VGA 0x0166 @@ -3286,6 +3299,14 @@ static const struct pci_dev_reset_methods pci_dev_reset_methods[] = { reset_intel_generic_dev }, { PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, reset_chelsio_generic_dev }, + + { PCI_VENDOR_ID_IBM, PCI_ANY_ID, + reset_fundamental }, + { PCI_VENDOR_ID_MELLANOX, PCI_ANY_ID, + reset_fundamental }, + { PCI_VENDOR_ID_TI, PCI_ANY_ID, + reset_fundamental }, + { 0 } }; -- 1.8.4.rc4