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PCI: struct device - replace bus_id with dev_name(), dev_set_name()

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This patch is part of a larger patch series which will remove
the "char bus_id[20]" name string from struct device. The device
name is managed in the kobject anyway, and without any size
limitation, and just needlessly copied into "struct device".

To set and read the device name dev_name(dev) and dev_set_name(dev)
must be used. If your code uses static kobjects, which it shouldn't
do, "const char *init_name" can be used to statically provide the
name the registered device should have. At registration time, the
init_name field is cleared, to enforce the use of dev_name(dev) to
access the device name at a later time.

We need to get rid of all occurrences of bus_id in the entire tree
to be able to enable the new interface. Please apply this patch,
and possibly convert any remaining remaining occurrences of bus_id.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-Off-By: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Kay Sievers 2008-10-30 02:17:49 +01:00 committed by Jesse Barnes
parent bfb0f330a6
commit 1a9271331a
6 changed files with 8 additions and 8 deletions
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2
arch/x86/kernel/pci-dma.c
View file

@ -38,7 +38,7 @@ EXPORT_SYMBOL(bad_dma_address);
be probably a smaller DMA mask, but this is bug-to-bug compatible
to older i386. */
struct device x86_dma_fallback_dev = {
.bus_id = "fallback device",
.init_name = "fallback device",
.coherent_dma_mask = DMA_32BIT_MASK,
.dma_mask = &x86_dma_fallback_dev.coherent_dma_mask,
};

2
drivers/pci/hotplug/acpiphp_ibm.c
View file

@ -271,7 +271,7 @@ static void ibm_handle_events(acpi_handle handle, u32 event, void *context)
dbg("%s: generationg bus event\n", __func__);
acpi_bus_generate_proc_event(note->device, note->event, detail);
acpi_bus_generate_netlink_event(note->device->pnp.device_class,
note->device->dev.bus_id,
dev_name(&note->device->dev),
note->event, detail);
} else
note->event = event;

2
drivers/pci/irq.c
View file

@ -15,7 +15,7 @@ static void pci_note_irq_problem(struct pci_dev *pdev, const char *reason)
dev_printk(KERN_ERR, &pdev->dev,
"Potentially misrouted IRQ (Bridge %s %04x:%04x)\n",
parent->dev.bus_id, parent->vendor, parent->device);
dev_name(&parent->dev), parent->vendor, parent->device);
dev_printk(KERN_ERR, &pdev->dev, "%s\n", reason);
dev_printk(KERN_ERR, &pdev->dev, "Please report to linux-kernel@vger.kernel.org\n");
WARN_ON(1);

2
drivers/pci/pci-acpi.c
View file

@ -375,7 +375,7 @@ static int acpi_pci_find_root_bridge(struct device *dev, acpi_handle *handle)
* The string should be the same as root bridge's name
* Please look at 'pci_scan_bus_parented'
*/
num = sscanf(dev->bus_id, "pci%04x:%02x", &seg, &bus);
num = sscanf(dev_name(dev), "pci%04x:%02x", &seg, &bus);
if (num != 2)
return -ENODEV;
*handle = acpi_get_pci_rootbridge_handle(seg, bus);

2
drivers/pci/pcie/portdrv_core.c
View file

@ -224,7 +224,7 @@ static void pcie_device_init(struct pci_dev *parent, struct pcie_device *dev,
device->driver = NULL;
device->driver_data = NULL;
device->release = release_pcie_device; /* callback to free pcie dev */
snprintf(device->bus_id, sizeof(device->bus_id), "%s:pcie%02x",
dev_set_name(device, "%s:pcie%02x",
pci_name(parent), get_descriptor_id(port_type, service_type));
device->parent = &parent->dev;
}

6
drivers/pci/probe.c
View file

@ -412,7 +412,7 @@ static struct pci_bus *pci_alloc_child_bus(struct pci_bus *parent,
* registered later in pci_bus_add_devices()
*/
child->dev.class = &pcibus_class;
sprintf(child->dev.bus_id, "%04x:%02x", pci_domain_nr(child), busnr);
dev_set_name(&child->dev, "%04x:%02x", pci_domain_nr(child), busnr);
/*
* Set up the primary, secondary and subordinate
@ -1130,7 +1130,7 @@ struct pci_bus * pci_create_bus(struct device *parent,
memset(dev, 0, sizeof(*dev));
dev->parent = parent;
dev->release = pci_release_bus_bridge_dev;
sprintf(dev->bus_id, "pci%04x:%02x", pci_domain_nr(b), bus);
dev_set_name(dev, "pci%04x:%02x", pci_domain_nr(b), bus);
error = device_register(dev);
if (error)
goto dev_reg_err;
@ -1141,7 +1141,7 @@ struct pci_bus * pci_create_bus(struct device *parent,
b->dev.class = &pcibus_class;
b->dev.parent = b->bridge;
sprintf(b->dev.bus_id, "%04x:%02x", pci_domain_nr(b), bus);
dev_set_name(&b->dev, "%04x:%02x", pci_domain_nr(b), bus);
error = device_register(&b->dev);
if (error)
goto class_dev_reg_err;