diff options
Diffstat (limited to 'arch/mips/pci/ops-tx4927.c')
| -rw-r--r-- | arch/mips/pci/ops-tx4927.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/arch/mips/pci/ops-tx4927.c b/arch/mips/pci/ops-tx4927.c index 3d5df514d024..37087f4137ee 100644 --- a/arch/mips/pci/ops-tx4927.c +++ b/arch/mips/pci/ops-tx4927.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Define the pci_ops for the PCIC on Toshiba TX4927, TX4938, etc. * @@ -9,11 +10,6 @@ * 2003-2005 (c) MontaVista Software, Inc. * Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org) * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007 - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. */ #include <linux/kernel.h> #include <linux/interrupt.h> @@ -64,7 +60,7 @@ static int mkaddr(struct pci_bus *bus, unsigned int devfn, int where, { if (bus->parent == NULL && devfn >= PCI_DEVFN(TX4927_PCIC_MAX_DEVNU, 0)) - return -1; + return PCIBIOS_DEVICE_NOT_FOUND; __raw_writel(((bus->number & 0xff) << 0x10) | ((devfn & 0xff) << 0x08) | (where & 0xfc) | (bus->parent ? 1 : 0), @@ -73,7 +69,7 @@ static int mkaddr(struct pci_bus *bus, unsigned int devfn, int where, __raw_writel((__raw_readl(&pcicptr->pcistatus) & 0x0000ffff) | (PCI_STATUS_REC_MASTER_ABORT << 16), &pcicptr->pcistatus); - return 0; + return PCIBIOS_SUCCESSFUL; } static int check_abort(struct tx4927_pcic_reg __iomem *pcicptr) @@ -144,10 +140,12 @@ static int tx4927_pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) { struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus); + int ret; - if (mkaddr(bus, devfn, where, pcicptr)) { - *val = 0xffffffff; - return -1; + ret = mkaddr(bus, devfn, where, pcicptr); + if (ret != PCIBIOS_SUCCESSFUL) { + PCI_SET_ERROR_RESPONSE(val); + return ret; } switch (size) { case 1: @@ -166,9 +164,11 @@ static int tx4927_pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { struct tx4927_pcic_reg __iomem *pcicptr = pci_bus_to_pcicptr(bus); + int ret; - if (mkaddr(bus, devfn, where, pcicptr)) - return -1; + ret = mkaddr(bus, devfn, where, pcicptr); + if (ret != PCIBIOS_SUCCESSFUL) + return ret; switch (size) { case 1: icd_writeb(val, where & 3, pcicptr); @@ -199,20 +199,21 @@ static struct { char *tx4927_pcibios_setup(char *str) { - unsigned long val; - if (!strncmp(str, "trdyto=", 7)) { - if (strict_strtoul(str + 7, 0, &val) == 0) + u8 val = 0; + if (kstrtou8(str + 7, 0, &val) == 0) tx4927_pci_opts.trdyto = val; return NULL; } if (!strncmp(str, "retryto=", 8)) { - if (strict_strtoul(str + 8, 0, &val) == 0) + u8 val = 0; + if (kstrtou8(str + 8, 0, &val) == 0) tx4927_pci_opts.retryto = val; return NULL; } if (!strncmp(str, "gbwc=", 5)) { - if (strict_strtoul(str + 5, 0, &val) == 0) + u16 val; + if (kstrtou16(str + 5, 0, &val) == 0) tx4927_pci_opts.gbwc = val; return NULL; } |