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-rw-r--r--arch/m68k/kernel/pcibios.c39
-rw-r--r--arch/mips/pci/pci-legacy.c38
-rw-r--r--arch/sparc/kernel/leon_pci.c27
-rw-r--r--arch/sparc/kernel/pci.c27
-rw-r--r--arch/sparc/kernel/pcic.c27
5 files changed, 13 insertions, 145 deletions
diff --git a/arch/m68k/kernel/pcibios.c b/arch/m68k/kernel/pcibios.c
index 9504eb19d73a..e6ab3f9ff5d8 100644
--- a/arch/m68k/kernel/pcibios.c
+++ b/arch/m68k/kernel/pcibios.c
@@ -44,41 +44,24 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
*/
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
- struct resource *r;
u16 cmd, newcmd;
- int idx;
+ int ret;
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- newcmd = cmd;
-
- for (idx = 0; idx < 6; idx++) {
- /* Only set up the requested stuff */
- if (!(mask & (1 << idx)))
- continue;
-
- r = dev->resource + idx;
- if (!r->start && r->end) {
- pr_err("PCI: Device %s not available because of resource collisions\n",
- pci_name(dev));
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- newcmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- newcmd |= PCI_COMMAND_MEMORY;
- }
+ ret = pci_enable_resources(dev, mask);
+ if (ret < 0)
+ return ret;
/*
* Bridges (eg, cardbus bridges) need to be fully enabled
*/
- if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE)
+ if ((dev->class >> 16) == PCI_BASE_CLASS_BRIDGE) {
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
newcmd |= PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
-
-
- if (newcmd != cmd) {
- pr_info("PCI: enabling device %s (0x%04x -> 0x%04x)\n",
- pci_name(dev), cmd, newcmd);
- pci_write_config_word(dev, PCI_COMMAND, newcmd);
+ if (newcmd != cmd) {
+ pr_info("PCI: enabling bridge %s (0x%04x -> 0x%04x)\n",
+ pci_name(dev), cmd, newcmd);
+ pci_write_config_word(dev, PCI_COMMAND, newcmd);
+ }
}
return 0;
}
diff --git a/arch/mips/pci/pci-legacy.c b/arch/mips/pci/pci-legacy.c
index 66898fd182dc..d04b7c1294b6 100644
--- a/arch/mips/pci/pci-legacy.c
+++ b/arch/mips/pci/pci-legacy.c
@@ -249,45 +249,11 @@ static int __init pcibios_init(void)
subsys_initcall(pcibios_init);
-static int pcibios_enable_resources(struct pci_dev *dev, int mask)
-{
- u16 cmd, old_cmd;
- int idx;
- struct resource *r;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- old_cmd = cmd;
- pci_dev_for_each_resource(dev, r, idx) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<idx)))
- continue;
-
- if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
- continue;
- if ((idx == PCI_ROM_RESOURCE) &&
- (!(r->flags & IORESOURCE_ROM_ENABLE)))
- continue;
- if (!r->start && r->end) {
- pci_err(dev,
- "can't enable device: resource collisions\n");
- return -EINVAL;
- }
- if (r->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (r->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
- if (cmd != old_cmd) {
- pci_info(dev, "enabling device (%04x -> %04x)\n", old_cmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
int pcibios_enable_device(struct pci_dev *dev, int mask)
{
- int err = pcibios_enable_resources(dev, mask);
+ int err;
+ err = pci_enable_resources(dev, mask);
if (err < 0)
return err;
diff --git a/arch/sparc/kernel/leon_pci.c b/arch/sparc/kernel/leon_pci.c
index 8de6646e9ce8..10934dfa987a 100644
--- a/arch/sparc/kernel/leon_pci.c
+++ b/arch/sparc/kernel/leon_pci.c
@@ -60,30 +60,3 @@ void leon_pci_init(struct platform_device *ofdev, struct leon_pci_info *info)
pci_assign_unassigned_resources();
pci_bus_add_devices(root_bus);
}
-
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
- struct resource *res;
- u16 cmd, oldcmd;
- int i;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- oldcmd = cmd;
-
- pci_dev_for_each_resource(dev, res, i) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<i)))
- continue;
-
- if (res->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (res->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
-
- if (cmd != oldcmd) {
- pci_info(dev, "enabling device (%04x -> %04x)\n", oldcmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index ddac216a2aff..a9448088e762 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -722,33 +722,6 @@ struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm,
return bus;
}
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
- struct resource *res;
- u16 cmd, oldcmd;
- int i;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- oldcmd = cmd;
-
- pci_dev_for_each_resource(dev, res, i) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<i)))
- continue;
-
- if (res->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (res->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
-
- if (cmd != oldcmd) {
- pci_info(dev, "enabling device (%04x -> %04x)\n", oldcmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
/* Platform support for /proc/bus/pci/X/Y mmap()s. */
int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma)
{
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index 25fe0a061732..3d54ad5656a4 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -641,33 +641,6 @@ void pcibios_fixup_bus(struct pci_bus *bus)
}
}
-int pcibios_enable_device(struct pci_dev *dev, int mask)
-{
- struct resource *res;
- u16 cmd, oldcmd;
- int i;
-
- pci_read_config_word(dev, PCI_COMMAND, &cmd);
- oldcmd = cmd;
-
- pci_dev_for_each_resource(dev, res, i) {
- /* Only set up the requested stuff */
- if (!(mask & (1<<i)))
- continue;
-
- if (res->flags & IORESOURCE_IO)
- cmd |= PCI_COMMAND_IO;
- if (res->flags & IORESOURCE_MEM)
- cmd |= PCI_COMMAND_MEMORY;
- }
-
- if (cmd != oldcmd) {
- pci_info(dev, "enabling device (%04x -> %04x)\n", oldcmd, cmd);
- pci_write_config_word(dev, PCI_COMMAND, cmd);
- }
- return 0;
-}
-
/* Makes compiler happy */
static volatile int pcic_timer_dummy;
generated by cgit v1.2.3 (git 2.39.1) at 2025-12-16 01:28:32 +0000