From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id D9D9CDDF38 for ; Wed, 27 Jun 2007 11:16:47 +1000 (EST) From: Kumar Gala To: linuxppc-dev@ozlabs.org Subject: [PATCH 04/15] [POWERPC] Remove hack to determine the 2nd PHBs bus number Date: Tue, 26 Jun 2007 20:16:34 -0500 Message-Id: <11829070102887-git-send-email-galak@kernel.crashing.org> In-Reply-To: <11829070091056-git-send-email-galak@kernel.crashing.org> References: <11829070051484-git-send-email-galak@kernel.crashing.org> <11829070063989-git-send-email-galak@kernel.crashing.org> <11829070073637-git-send-email-galak@kernel.crashing.org> <11829070091056-git-send-email-galak@kernel.crashing.org> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Now that we have the pci_controller in the exclude function we can easy figure out if the bus number is the PHB or not. The old style of using a variable setup at init time was actually broken and would only work in specific cases. Signed-off-by: Kumar Gala --- arch/powerpc/platforms/83xx/pci.c | 8 +------- arch/powerpc/platforms/85xx/mpc85xx_cds.c | 7 +------ arch/powerpc/platforms/85xx/pci.c | 3 --- 3 files changed, 2 insertions(+), 16 deletions(-) diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c index f92e71f..8da935c 100644 --- a/arch/powerpc/platforms/83xx/pci.c +++ b/arch/powerpc/platforms/83xx/pci.c @@ -33,15 +33,10 @@ #define DBG(x...) #endif -int mpc83xx_pci2_busno; - int mpc83xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { - if (bus == 0 && PCI_SLOT(devfn) == 0) + if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc83xx_pci2_busno) - if (bus == (mpc83xx_pci2_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; return PCIBIOS_SUCCESSFUL; } @@ -86,7 +81,6 @@ int __init mpc83xx_add_bridge(struct device_node *dev) setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384); primary = 0; hose->bus_offset = hose->first_busno; - mpc83xx_pci2_busno = hose->first_busno; } printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. " diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index fcea5ab..04a1eaa 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -55,16 +55,11 @@ static volatile u8 *cadmus; #define ARCADIA_HOST_BRIDGE_IDSEL 17 #define ARCADIA_2ND_BRIDGE_IDSEL 3 -extern int mpc85xx_pci2_busno; - static int mpc85xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn) { - if (bus == 0 && PCI_SLOT(devfn) == 0) + if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0) return PCIBIOS_DEVICE_NOT_FOUND; - if (mpc85xx_pci2_busno) - if (bus == (mpc85xx_pci2_busno) && PCI_SLOT(devfn) == 0) - return PCIBIOS_DEVICE_NOT_FOUND; /* We explicitly do not go past the Tundra 320 Bridge */ if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL)) return PCIBIOS_DEVICE_NOT_FOUND; diff --git a/arch/powerpc/platforms/85xx/pci.c b/arch/powerpc/platforms/85xx/pci.c index 72a1bc5..be67f67 100644 --- a/arch/powerpc/platforms/85xx/pci.c +++ b/arch/powerpc/platforms/85xx/pci.c @@ -33,8 +33,6 @@ #define DBG(x...) #endif -int mpc85xx_pci2_busno = 0; - #ifdef CONFIG_PCI int __init mpc85xx_add_bridge(struct device_node *dev) { @@ -74,7 +72,6 @@ int __init mpc85xx_add_bridge(struct device_node *dev) setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004); primary = 0; hose->bus_offset = hose->first_busno; - mpc85xx_pci2_busno = hose->first_busno; } printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. " -- 1.5.2.1