From: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
To: Jingoo Han <jingoohan1@gmail.com>,
Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Bjorn Helgaas <bhelgaas@google.com>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 4/5] PCI: dwc: use devm_pci_alloc_host_bridge() to simplify the code
Date: Tue, 26 Feb 2019 11:58:26 +0000 [thread overview]
Message-ID: <20190226195127.72dd45e0@xhacker.debian> (raw)
In-Reply-To: <20190226194806.34fc23b5@xhacker.debian>
Use devm_pci_alloc_host_bridge() to simplify the error code path.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
---
.../pci/controller/dwc/pcie-designware-host.c | 21 +++++++------------
1 file changed, 8 insertions(+), 13 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
index 66569d0f3ab9..4831c12fee93 100644
--- a/drivers/pci/controller/dwc/pcie-designware-host.c
+++ b/drivers/pci/controller/dwc/pcie-designware-host.c
@@ -357,7 +357,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
dev_err(dev, "Missing *config* reg space\n");
}
- bridge = pci_alloc_host_bridge(0);
+ bridge = devm_pci_alloc_host_bridge(dev, 0);
if (!bridge)
return -ENOMEM;
@@ -368,7 +368,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
ret = devm_request_pci_bus_resources(dev, &bridge->windows);
if (ret)
- goto error;
+ return ret;
/* Get the I/O and memory ranges from DT */
resource_list_for_each_entry_safe(win, tmp, &bridge->windows) {
@@ -412,8 +412,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
resource_size(pp->cfg));
if (!pci->dbi_base) {
dev_err(dev, "Error with ioremap\n");
- ret = -ENOMEM;
- goto error;
+ return -ENOMEM;
}
}
@@ -424,8 +423,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
pp->cfg0_base, pp->cfg0_size);
if (!pp->va_cfg0_base) {
dev_err(dev, "Error with ioremap in function\n");
- ret = -ENOMEM;
- goto error;
+ return -ENOMEM;
}
}
@@ -435,8 +433,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
pp->cfg1_size);
if (!pp->va_cfg1_base) {
dev_err(dev, "Error with ioremap\n");
- ret = -ENOMEM;
- goto error;
+ return -ENOMEM;
}
}
@@ -459,14 +456,14 @@ int dw_pcie_host_init(struct pcie_port *pp)
pp->num_vectors == 0) {
dev_err(dev,
"Invalid number of vectors\n");
- goto error;
+ return -EINVAL;
}
}
if (!pp->ops->msi_host_init) {
ret = dw_pcie_allocate_domains(pp);
if (ret)
- goto error;
+ return ret;
if (pp->msi_irq)
irq_set_chained_handler_and_data(pp->msi_irq,
@@ -475,7 +472,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
} else {
ret = pp->ops->msi_host_init(pp);
if (ret < 0)
- goto error;
+ return ret;
}
}
@@ -515,8 +512,6 @@ int dw_pcie_host_init(struct pcie_port *pp)
err_free_msi:
if (IS_ENABLED(CONFIG_PCI_MSI) && !pp->ops->msi_host_init)
dw_pcie_free_msi(pp);
-error:
- pci_free_host_bridge(bridge);
return ret;
}
--
2.20.1
next prev parent reply other threads:[~2019-02-26 11:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-26 11:55 [PATCH 0/5] PCI: dwc: support remove Jisheng Zhang
2019-02-26 11:56 ` [PATCH 1/5] PCI: dwc: fix dw_pcie_free_msi() if msi_irq is invalid Jisheng Zhang
2019-02-26 11:56 ` [PATCH 2/5] PCI: dwc: free the page for MSI irq in dw_pcie_free_msi() Jisheng Zhang
2019-02-26 11:57 ` [PATCH 3/5] PCI: dwc: free msi in the error code path of dw_pcie_host_init() Jisheng Zhang
2019-02-26 11:58 ` Jisheng Zhang [this message]
2019-02-26 11:59 ` [PATCH 5/5] PCI: dwc: save root bus for driver remove Jisheng Zhang
2019-02-26 21:11 ` [PATCH 0/5] PCI: dwc: support remove Bjorn Helgaas
2019-02-27 6:48 ` Jisheng Zhang
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