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From:   "Saheed O. Bolarinwa" <refactormyself@gmail.com>
To:     helgaas@kernel.org, Yoshinori Sato <ysato@users.sourceforge.jp>,
        Rich Felker <dalias@libc.org>
Cc:     "Saheed O. Bolarinwa" <refactormyself@gmail.com>,
        bjorn@helgaas.com, skhan@linuxfoundation.org,
        linux-pci@vger.kernel.org,
        linux-kernel-mentees@lists.linuxfoundation.org,
        linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org
Subject: [RFC PATCH 24/35] sh: Change PCIBIOS_SUCCESSFUL to 0
Date:   Mon, 13 Jul 2020 14:22:36 +0200
Message-Id: <20200713122247.10985-25-refactormyself@gmail.com>
In-Reply-To: <20200713122247.10985-1-refactormyself@gmail.com>
References: <20200713122247.10985-1-refactormyself@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

In reference to the PCI spec (Chapter 2), PCIBIOS* is an x86 concept.
Their scope should be limited within arch/x86.

Change all PCIBIOS_SUCCESSFUL to 0

Signed-off-by: "Saheed O. Bolarinwa" <refactormyself@gmail.com>
---
 arch/sh/drivers/pci/common.c        | 2 +-
 arch/sh/drivers/pci/ops-dreamcast.c | 4 ++--
 arch/sh/drivers/pci/ops-sh4.c       | 4 ++--
 arch/sh/drivers/pci/ops-sh7786.c    | 8 ++++----
 arch/sh/drivers/pci/pci.c           | 2 +-
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/sh/drivers/pci/common.c b/arch/sh/drivers/pci/common.c
index fe163ecd0719..ee27cdfd3e68 100644
--- a/arch/sh/drivers/pci/common.c
+++ b/arch/sh/drivers/pci/common.c
@@ -61,7 +61,7 @@ int __init pci_is_66mhz_capable(struct pci_channel *hose,
 			continue;
 		if (early_read_config_word(hose, top_bus, current_bus,
 					   pci_devfn, PCI_VENDOR_ID, &vid) !=
-		    PCIBIOS_SUCCESSFUL)
+		    0)
 			continue;
 		if (vid == 0xffff)
 			continue;
diff --git a/arch/sh/drivers/pci/ops-dreamcast.c b/arch/sh/drivers/pci/ops-dreamcast.c
index 517a8a9702f6..431cd006951f 100644
--- a/arch/sh/drivers/pci/ops-dreamcast.c
+++ b/arch/sh/drivers/pci/ops-dreamcast.c
@@ -56,7 +56,7 @@ static int gapspci_read(struct pci_bus *bus, unsigned int devfn, int where, int
 	case 4: *val = inl(GAPSPCI_BBA_CONFIG+where); break;
 	}
 
-        return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int gapspci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
@@ -70,7 +70,7 @@ static int gapspci_write(struct pci_bus *bus, unsigned int devfn, int where, int
 	case 4: outl((u32)val, GAPSPCI_BBA_CONFIG+where); break;
 	}
 
-        return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops gapspci_pci_ops = {
diff --git a/arch/sh/drivers/pci/ops-sh4.c b/arch/sh/drivers/pci/ops-sh4.c
index a205be3bfc4a..4d757e5f38c6 100644
--- a/arch/sh/drivers/pci/ops-sh4.c
+++ b/arch/sh/drivers/pci/ops-sh4.c
@@ -49,7 +49,7 @@ static int sh4_pci_read(struct pci_bus *bus, unsigned int devfn,
 		return PCIBIOS_FUNC_NOT_SUPPORTED;
 	}
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 /*
@@ -90,7 +90,7 @@ static int sh4_pci_write(struct pci_bus *bus, unsigned int devfn,
 
 	pci_write_reg(chan, data, SH4_PCIPDR);
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 struct pci_ops sh4_pci_ops = {
diff --git a/arch/sh/drivers/pci/ops-sh7786.c b/arch/sh/drivers/pci/ops-sh7786.c
index a10f9f4ebd7f..7c329e467360 100644
--- a/arch/sh/drivers/pci/ops-sh7786.c
+++ b/arch/sh/drivers/pci/ops-sh7786.c
@@ -52,7 +52,7 @@ static int sh7786_pcie_config_access(unsigned char access_type,
 			else
 				pci_write_reg(chan, *data, PCI_REG(reg));
 
-			return PCIBIOS_SUCCESSFUL;
+			return 0;
 		} else if (dev > 1)
 			return PCIBIOS_DEVICE_NOT_FOUND;
 	}
@@ -83,7 +83,7 @@ static int sh7786_pcie_config_access(unsigned char access_type,
 	/* Disable the configuration access */
 	pci_write_reg(chan, 0, SH4A_PCIEPCTLR);
 
-	return PCIBIOS_SUCCESSFUL;
+	return 0;
 }
 
 static int sh7786_pcie_read(struct pci_bus *bus, unsigned int devfn,
@@ -101,7 +101,7 @@ static int sh7786_pcie_read(struct pci_bus *bus, unsigned int devfn,
 	raw_spin_lock_irqsave(&pci_config_lock, flags);
 	ret = sh7786_pcie_config_access(PCI_ACCESS_READ, bus,
 					devfn, where, &data);
-	if (ret != PCIBIOS_SUCCESSFUL) {
+	if (ret != 0) {
 		*val = 0xffffffff;
 		goto out;
 	}
@@ -137,7 +137,7 @@ static int sh7786_pcie_write(struct pci_bus *bus, unsigned int devfn,
 	raw_spin_lock_irqsave(&pci_config_lock, flags);
 	ret = sh7786_pcie_config_access(PCI_ACCESS_READ, bus,
 					devfn, where, &data);
-	if (ret != PCIBIOS_SUCCESSFUL)
+	if (ret != 0)
 		goto out;
 
 	dev_dbg(&bus->dev, "pcie-config-write: bus=%3d devfn=0x%04x "
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index c7784e156964..77130f035fdd 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -204,7 +204,7 @@ pcibios_bus_report_status_early(struct pci_channel *hose,
 			continue;
 		ret = early_read_config_word(hose, top_bus, current_bus,
 					     pci_devfn, PCI_STATUS, &status);
-		if (ret != PCIBIOS_SUCCESSFUL)
+		if (ret != 0)
 			continue;
 		if (status == 0xffff)
 			continue;
-- 
2.18.2