Commit dc4e6f21 authored by Puranjay Mohan's avatar Puranjay Mohan Committed by Bjorn Helgaas

PCI: Use resource names in PCI log messages

Use the pci_resource_name() to get the name of the resource and use it
while printing log messages.

[bhelgaas: rename to match struct resource * names, also use names in other
BAR messages]
Link: https://lore.kernel.org/r/20211106112606.192563-3-puranjay12@gmail.comSigned-off-by: default avatarPuranjay Mohan <puranjay12@gmail.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 65f8e0be
......@@ -745,6 +745,7 @@ static int sriov_init(struct pci_dev *dev, int pos)
u16 ctrl, total;
struct pci_sriov *iov;
struct resource *res;
const char *res_name;
struct pci_dev *pdev;
pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &ctrl);
......@@ -785,6 +786,8 @@ static int sriov_init(struct pci_dev *dev, int pos)
nres = 0;
for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
res = &dev->resource[i + PCI_IOV_RESOURCES];
res_name = pci_resource_name(dev, i + PCI_IOV_RESOURCES);
/*
* If it is already FIXED, don't change it, something
* (perhaps EA or header fixups) wants it this way.
......@@ -802,8 +805,8 @@ static int sriov_init(struct pci_dev *dev, int pos)
}
iov->barsz[i] = resource_size(res);
res->end = res->start + resource_size(res) * total - 1;
pci_info(dev, "VF(n) BAR%d space: %pR (contains BAR%d for %d VFs)\n",
i, res, i, total);
pci_info(dev, "%s %pR: contains BAR %d for %d VFs\n",
res_name, res, i, total);
i += bar64;
nres++;
}
......
......@@ -3350,6 +3350,7 @@ static struct resource *pci_ea_get_resource(struct pci_dev *dev, u8 bei,
static int pci_ea_read(struct pci_dev *dev, int offset)
{
struct resource *res;
const char *res_name;
int ent_size, ent_offset = offset;
resource_size_t start, end;
unsigned long flags;
......@@ -3379,6 +3380,7 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
goto out;
res = pci_ea_get_resource(dev, bei, prop);
res_name = pci_resource_name(dev, bei);
if (!res) {
pci_err(dev, "Unsupported EA entry BEI: %u\n", bei);
goto out;
......@@ -3452,16 +3454,16 @@ static int pci_ea_read(struct pci_dev *dev, int offset)
res->flags = flags;
if (bei <= PCI_EA_BEI_BAR5)
pci_info(dev, "BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
bei, res, prop);
pci_info(dev, "%s %pR: from Enhanced Allocation, properties %#02x\n",
res_name, res, prop);
else if (bei == PCI_EA_BEI_ROM)
pci_info(dev, "ROM: %pR (from Enhanced Allocation, properties %#02x)\n",
res, prop);
pci_info(dev, "%s %pR: from Enhanced Allocation, properties %#02x\n",
res_name, res, prop);
else if (bei >= PCI_EA_BEI_VF_BAR0 && bei <= PCI_EA_BEI_VF_BAR5)
pci_info(dev, "VF BAR %d: %pR (from Enhanced Allocation, properties %#02x)\n",
bei - PCI_EA_BEI_VF_BAR0, res, prop);
pci_info(dev, "%s %pR: from Enhanced Allocation, properties %#02x\n",
res_name, res, prop);
else
pci_info(dev, "BEI %d res: %pR (from Enhanced Allocation, properties %#02x)\n",
pci_info(dev, "BEI %d %pR: from Enhanced Allocation, properties %#02x\n",
bei, res, prop);
out:
......@@ -6749,14 +6751,15 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
resource_size_t align, bool resize)
{
struct resource *r = &dev->resource[bar];
const char *r_name = pci_resource_name(dev, bar);
resource_size_t size;
if (!(r->flags & IORESOURCE_MEM))
return;
if (r->flags & IORESOURCE_PCI_FIXED) {
pci_info(dev, "BAR%d %pR: ignoring requested alignment %#llx\n",
bar, r, (unsigned long long)align);
pci_info(dev, "%s %pR: ignoring requested alignment %#llx\n",
r_name, r, (unsigned long long)align);
return;
}
......@@ -6792,8 +6795,8 @@ static void pci_request_resource_alignment(struct pci_dev *dev, int bar,
* devices and we use the second.
*/
pci_info(dev, "BAR%d %pR: requesting alignment to %#llx\n",
bar, r, (unsigned long long)align);
pci_info(dev, "%s %pR: requesting alignment to %#llx\n",
r_name, r, (unsigned long long)align);
if (resize) {
r->start = 0;
......
......@@ -180,6 +180,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
u64 l64, sz64, mask64;
u16 orig_cmd;
struct pci_bus_region region, inverted_region;
const char *res_name = pci_resource_name(dev, res - dev->resource);
mask = type ? PCI_ROM_ADDRESS_MASK : ~0;
......@@ -254,8 +255,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
sz64 = pci_size(l64, sz64, mask64);
if (!sz64) {
pci_info(dev, FW_BUG "reg 0x%x: invalid BAR (can't size)\n",
pos);
pci_info(dev, FW_BUG "%s: invalid; can't size\n", res_name);
goto fail;
}
......@@ -265,8 +265,8 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= IORESOURCE_UNSET | IORESOURCE_DISABLED;
res->start = 0;
res->end = 0;
pci_err(dev, "reg 0x%x: can't handle BAR larger than 4GB (size %#010llx)\n",
pos, (unsigned long long)sz64);
pci_err(dev, "%s: can't handle BAR larger than 4GB (size %#010llx)\n",
res_name, (unsigned long long)sz64);
goto out;
}
......@@ -275,8 +275,8 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= IORESOURCE_UNSET;
res->start = 0;
res->end = sz64 - 1;
pci_info(dev, "reg 0x%x: can't handle BAR above 4GB (bus address %#010llx)\n",
pos, (unsigned long long)l64);
pci_info(dev, "%s: can't handle BAR above 4GB (bus address %#010llx)\n",
res_name, (unsigned long long)l64);
goto out;
}
}
......@@ -302,8 +302,8 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags |= IORESOURCE_UNSET;
res->start = 0;
res->end = region.end - region.start;
pci_info(dev, "reg 0x%x: initial BAR value %#010llx invalid\n",
pos, (unsigned long long)region.start);
pci_info(dev, "%s: initial BAR value %#010llx invalid\n",
res_name, (unsigned long long)region.start);
}
goto out;
......@@ -313,7 +313,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
res->flags = 0;
out:
if (res->flags)
pci_info(dev, "reg 0x%x: %pR\n", pos, res);
pci_info(dev, "%s %pR\n", res_name, res);
return (res->flags & IORESOURCE_MEM_64) ? 1 : 0;
}
......@@ -1967,14 +1967,14 @@ int pci_setup_device(struct pci_dev *dev)
res = &dev->resource[0];
res->flags = LEGACY_IO_RESOURCE;
pcibios_bus_to_resource(dev->bus, res, &region);
pci_info(dev, "legacy IDE quirk: reg 0x10: %pR\n",
pci_info(dev, "BAR 0 %pR: legacy IDE quirk\n",
res);
region.start = 0x3F6;
region.end = 0x3F6;
res = &dev->resource[1];
res->flags = LEGACY_IO_RESOURCE;
pcibios_bus_to_resource(dev->bus, res, &region);
pci_info(dev, "legacy IDE quirk: reg 0x14: %pR\n",
pci_info(dev, "BAR 1 %pR: legacy IDE quirk\n",
res);
}
if ((progif & 4) == 0) {
......@@ -1983,14 +1983,14 @@ int pci_setup_device(struct pci_dev *dev)
res = &dev->resource[2];
res->flags = LEGACY_IO_RESOURCE;
pcibios_bus_to_resource(dev->bus, res, &region);
pci_info(dev, "legacy IDE quirk: reg 0x18: %pR\n",
pci_info(dev, "BAR 2 %pR: legacy IDE quirk\n",
res);
region.start = 0x376;
region.end = 0x376;
res = &dev->resource[3];
res->flags = LEGACY_IO_RESOURCE;
pcibios_bus_to_resource(dev->bus, res, &region);
pci_info(dev, "legacy IDE quirk: reg 0x1c: %pR\n",
pci_info(dev, "BAR 3 %pR: legacy IDE quirk\n",
res);
}
}
......
......@@ -570,13 +570,14 @@ static void quirk_extend_bar_to_page(struct pci_dev *dev)
for (i = 0; i < PCI_STD_NUM_BARS; i++) {
struct resource *r = &dev->resource[i];
const char *r_name = pci_resource_name(dev, i);
if (r->flags & IORESOURCE_MEM && resource_size(r) < PAGE_SIZE) {
r->end = PAGE_SIZE - 1;
r->start = 0;
r->flags |= IORESOURCE_UNSET;
pci_info(dev, "expanded BAR %d to page size: %pR\n",
i, r);
pci_info(dev, "%s %pR: expanded to page size\n",
r_name, r);
}
}
}
......@@ -605,6 +606,7 @@ static void quirk_io(struct pci_dev *dev, int pos, unsigned int size,
u32 region;
struct pci_bus_region bus_region;
struct resource *res = dev->resource + pos;
const char *res_name = pci_resource_name(dev, pos);
pci_read_config_dword(dev, PCI_BASE_ADDRESS_0 + (pos << 2), &region);
......@@ -622,8 +624,7 @@ static void quirk_io(struct pci_dev *dev, int pos, unsigned int size,
bus_region.end = region + size - 1;
pcibios_bus_to_resource(dev->bus, res, &bus_region);
pci_info(dev, FW_BUG "%s quirk: reg 0x%x: %pR\n",
name, PCI_BASE_ADDRESS_0 + (pos << 2), res);
pci_info(dev, FW_BUG "%s %pR: %s quirk\n", res_name, res, name);
}
/*
......@@ -670,6 +671,12 @@ static void quirk_io_region(struct pci_dev *dev, int port,
bus_region.end = region + size - 1;
pcibios_bus_to_resource(dev->bus, res, &bus_region);
/*
* "res" is typically a bridge window resource that's not being
* used for a bridge window, so it's just a place to stash this
* non-standard resource. Printing "nr" or pci_resource_name() of
* it doesn't really make sense.
*/
if (!pci_claim_resource(dev, nr))
pci_info(dev, "quirk: %pR claimed by %s\n", res, name);
}
......
......@@ -213,6 +213,7 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
struct list_head *head)
{
struct resource *res;
const char *res_name;
struct pci_dev_resource *add_res, *tmp;
struct pci_dev_resource *dev_res;
resource_size_t add_size, align;
......@@ -222,6 +223,7 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
bool found_match = false;
res = add_res->res;
/* Skip resource that has been reset */
if (!res->flags)
goto out;
......@@ -237,6 +239,7 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
continue;
idx = res - &add_res->dev->resource[0];
res_name = pci_resource_name(add_res->dev, idx);
add_size = add_res->add_size;
align = add_res->min_align;
if (!resource_size(res)) {
......@@ -249,9 +252,9 @@ static void reassign_resources_sorted(struct list_head *realloc_head,
(IORESOURCE_STARTALIGN|IORESOURCE_SIZEALIGN);
if (pci_reassign_resource(add_res->dev, idx,
add_size, align))
pci_info(add_res->dev, "failed to add %llx res[%d]=%pR\n",
(unsigned long long) add_size, idx,
res);
pci_info(add_res->dev, "%s %pR: failed to add %llx\n",
res_name, res,
(unsigned long long) add_size);
}
out:
list_del(&add_res->list);
......@@ -571,6 +574,7 @@ EXPORT_SYMBOL(pci_setup_cardbus);
static void pci_setup_bridge_io(struct pci_dev *bridge)
{
struct resource *res;
const char *res_name;
struct pci_bus_region region;
unsigned long io_mask;
u8 io_base_lo, io_limit_lo;
......@@ -583,6 +587,7 @@ static void pci_setup_bridge_io(struct pci_dev *bridge)
/* Set up the top and bottom of the PCI I/O segment for this bus */
res = &bridge->resource[PCI_BRIDGE_IO_WINDOW];
res_name = pci_resource_name(bridge, PCI_BRIDGE_IO_WINDOW);
pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_IO) {
pci_read_config_word(bridge, PCI_IO_BASE, &l);
......@@ -591,7 +596,7 @@ static void pci_setup_bridge_io(struct pci_dev *bridge)
l = ((u16) io_limit_lo << 8) | io_base_lo;
/* Set up upper 16 bits of I/O base/limit */
io_upper16 = (region.end & 0xffff0000) | (region.start >> 16);
pci_info(bridge, " bridge window %pR\n", res);
pci_info(bridge, " %s %pR\n", res_name, res);
} else {
/* Clear upper 16 bits of I/O base/limit */
io_upper16 = 0;
......@@ -608,16 +613,18 @@ static void pci_setup_bridge_io(struct pci_dev *bridge)
static void pci_setup_bridge_mmio(struct pci_dev *bridge)
{
struct resource *res;
const char *res_name;
struct pci_bus_region region;
u32 l;
/* Set up the top and bottom of the PCI Memory segment for this bus */
res = &bridge->resource[PCI_BRIDGE_MEM_WINDOW];
res_name = pci_resource_name(bridge, PCI_BRIDGE_MEM_WINDOW);
pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_MEM) {
l = (region.start >> 16) & 0xfff0;
l |= region.end & 0xfff00000;
pci_info(bridge, " bridge window %pR\n", res);
pci_info(bridge, " %s %pR\n", res_name, res);
} else {
l = 0x0000fff0;
}
......@@ -627,6 +634,7 @@ static void pci_setup_bridge_mmio(struct pci_dev *bridge)
static void pci_setup_bridge_mmio_pref(struct pci_dev *bridge)
{
struct resource *res;
const char *res_name;
struct pci_bus_region region;
u32 l, bu, lu;
......@@ -640,6 +648,7 @@ static void pci_setup_bridge_mmio_pref(struct pci_dev *bridge)
/* Set up PREF base/limit */
bu = lu = 0;
res = &bridge->resource[PCI_BRIDGE_PREF_MEM_WINDOW];
res_name = pci_resource_name(bridge, PCI_BRIDGE_PREF_MEM_WINDOW);
pcibios_resource_to_bus(bridge->bus, &region, res);
if (res->flags & IORESOURCE_PREFETCH) {
l = (region.start >> 16) & 0xfff0;
......@@ -648,7 +657,7 @@ static void pci_setup_bridge_mmio_pref(struct pci_dev *bridge)
bu = upper_32_bits(region.start);
lu = upper_32_bits(region.end);
}
pci_info(bridge, " bridge window %pR\n", res);
pci_info(bridge, " %s %pR\n", res_name, res);
} else {
l = 0x0000fff0;
}
......@@ -1013,6 +1022,7 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
int i;
pci_dev_for_each_resource(dev, r, i) {
const char *r_name = pci_resource_name(dev, i);
resource_size_t r_size;
if (r->parent || (r->flags & IORESOURCE_PCI_FIXED) ||
......@@ -1043,8 +1053,8 @@ static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,
if (order < 0)
order = 0;
if (order >= ARRAY_SIZE(aligns)) {
pci_warn(dev, "disabling BAR %d: %pR (bad alignment %#llx)\n",
i, r, (unsigned long long) align);
pci_warn(dev, "%s %pR: disabling; bad alignment %#llx\n",
r_name, r, (unsigned long long) align);
r->flags = 0;
continue;
}
......@@ -2235,6 +2245,7 @@ int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type)
for (i = PCI_BRIDGE_RESOURCES; i < PCI_BRIDGE_RESOURCE_END;
i++) {
struct resource *res = &bridge->resource[i];
const char *res_name = pci_resource_name(bridge, i);
if ((res->flags ^ type) & PCI_RES_TYPE_MASK)
continue;
......@@ -2247,8 +2258,7 @@ int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type)
if (ret)
goto cleanup;
pci_info(bridge, "BAR %d: releasing %pR\n",
i, res);
pci_info(bridge, "%s %pR: releasing\n", res_name, res);
if (res->parent)
release_resource(res);
......
......@@ -30,6 +30,7 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
u32 new, check, mask;
int reg;
struct resource *res = dev->resource + resno;
const char *res_name = pci_resource_name(dev, resno);
/* Per SR-IOV spec 3.4.1.11, VF BARs are RO zero */
if (dev->is_virtfn)
......@@ -104,8 +105,8 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
pci_read_config_dword(dev, reg, &check);
if ((new ^ check) & mask) {
pci_err(dev, "BAR %d: error updating (%#010x != %#010x)\n",
resno, new, check);
pci_err(dev, "%s: error updating (%#010x != %#010x)\n",
res_name, new, check);
}
if (res->flags & IORESOURCE_MEM_64) {
......@@ -113,8 +114,8 @@ static void pci_std_update_resource(struct pci_dev *dev, int resno)
pci_write_config_dword(dev, reg + 4, new);
pci_read_config_dword(dev, reg + 4, &check);
if (check != new) {
pci_err(dev, "BAR %d: error updating (high %#010x != %#010x)\n",
resno, new, check);
pci_err(dev, "%s: error updating (high %#010x != %#010x)\n",
res_name, new, check);
}
}
......@@ -135,11 +136,12 @@ void pci_update_resource(struct pci_dev *dev, int resno)
int pci_claim_resource(struct pci_dev *dev, int resource)
{
struct resource *res = &dev->resource[resource];
const char *res_name = pci_resource_name(dev, resource);
struct resource *root, *conflict;
if (res->flags & IORESOURCE_UNSET) {
pci_info(dev, "can't claim BAR %d %pR: no address assigned\n",
resource, res);
pci_info(dev, "%s %pR: can't claim; no address assigned\n",
res_name, res);
return -EINVAL;
}
......@@ -153,16 +155,16 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
root = pci_find_parent_resource(dev, res);
if (!root) {
pci_info(dev, "can't claim BAR %d %pR: no compatible bridge window\n",
resource, res);
pci_info(dev, "%s %pR: can't claim; no compatible bridge window\n",
res_name, res);
res->flags |= IORESOURCE_UNSET;
return -EINVAL;
}
conflict = request_resource_conflict(root, res);
if (conflict) {
pci_info(dev, "can't claim BAR %d %pR: address conflict with %s %pR\n",
resource, res, conflict->name, conflict);
pci_info(dev, "%s %pR: can't claim; address conflict with %s %pR\n",
res_name, res, conflict->name, conflict);
res->flags |= IORESOURCE_UNSET;
return -EBUSY;
}
......@@ -201,6 +203,7 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
{
struct resource *root, *conflict;
resource_size_t fw_addr, start, end;
const char *res_name = pci_resource_name(dev, resno);
fw_addr = pcibios_retrieve_fw_addr(dev, resno);
if (!fw_addr)
......@@ -231,12 +234,11 @@ static int pci_revert_fw_address(struct resource *res, struct pci_dev *dev,
root = &iomem_resource;
}
pci_info(dev, "BAR %d: trying firmware assignment %pR\n",
resno, res);
pci_info(dev, "%s: trying firmware assignment %pR\n", res_name, res);
conflict = request_resource_conflict(root, res);
if (conflict) {
pci_info(dev, "BAR %d: %pR conflicts with %s %pR\n",
resno, res, conflict->name, conflict);
pci_info(dev, "%s %pR: conflicts with %s %pR\n", res_name, res,
conflict->name, conflict);
res->start = start;
res->end = end;
res->flags |= IORESOURCE_UNSET;
......@@ -325,6 +327,7 @@ static int _pci_assign_resource(struct pci_dev *dev, int resno,
int pci_assign_resource(struct pci_dev *dev, int resno)
{
struct resource *res = dev->resource + resno;
const char *res_name = pci_resource_name(dev, resno);
resource_size_t align, size;
int ret;
......@@ -334,8 +337,8 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
res->flags |= IORESOURCE_UNSET;
align = pci_resource_alignment(dev, res);
if (!align) {
pci_info(dev, "BAR %d: can't assign %pR (bogus alignment)\n",
resno, res);
pci_info(dev, "%s %pR: can't assign; bogus alignment\n",
res_name, res);
return -EINVAL;
}
......@@ -348,18 +351,18 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
* working, which is better than just leaving it disabled.
*/
if (ret < 0) {
pci_info(dev, "BAR %d: no space for %pR\n", resno, res);
pci_info(dev, "%s %pR: can't assign; no space\n", res_name, res);
ret = pci_revert_fw_address(res, dev, resno, size);
}
if (ret < 0) {
pci_info(dev, "BAR %d: failed to assign %pR\n", resno, res);
pci_info(dev, "%s %pR: failed to assign\n", res_name, res);
return ret;
}
res->flags &= ~IORESOURCE_UNSET;
res->flags &= ~IORESOURCE_STARTALIGN;
pci_info(dev, "BAR %d: assigned %pR\n", resno, res);
pci_info(dev, "%s %pR: assigned\n", res_name, res);
if (resno < PCI_BRIDGE_RESOURCES)
pci_update_resource(dev, resno);
......@@ -367,10 +370,11 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
}
EXPORT_SYMBOL(pci_assign_resource);
int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsize,
resource_size_t min_align)
int pci_reassign_resource(struct pci_dev *dev, int resno,
resource_size_t addsize, resource_size_t min_align)
{
struct resource *res = dev->resource + resno;
const char *res_name = pci_resource_name(dev, resno);
unsigned long flags;
resource_size_t new_size;
int ret;
......@@ -381,8 +385,8 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
flags = res->flags;
res->flags |= IORESOURCE_UNSET;
if (!res->parent) {
pci_info(dev, "BAR %d: can't reassign an unassigned resource %pR\n",
resno, res);
pci_info(dev, "%s %pR: can't reassign; unassigned resource\n",
res_name, res);
return -EINVAL;
}
......@@ -391,15 +395,15 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
ret = _pci_assign_resource(dev, resno, new_size, min_align);
if (ret) {
res->flags = flags;
pci_info(dev, "BAR %d: %pR (failed to expand by %#llx)\n",
resno, res, (unsigned long long) addsize);
pci_info(dev, "%s %pR: failed to expand by %#llx\n",
res_name, res, (unsigned long long) addsize);
return ret;
}
res->flags &= ~IORESOURCE_UNSET;
res->flags &= ~IORESOURCE_STARTALIGN;
pci_info(dev, "BAR %d: reassigned %pR (expanded by %#llx)\n",
resno, res, (unsigned long long) addsize);
pci_info(dev, "%s %pR: reassigned; expanded by %#llx\n",
res_name, res, (unsigned long long) addsize);
if (resno < PCI_BRIDGE_RESOURCES)
pci_update_resource(dev, resno);
......@@ -409,8 +413,9 @@ int pci_reassign_resource(struct pci_dev *dev, int resno, resource_size_t addsiz
void pci_release_resource(struct pci_dev *dev, int resno)
{
struct resource *res = dev->resource + resno;
const char *res_name = pci_resource_name(dev, resno);
pci_info(dev, "BAR %d: releasing %pR\n", resno, res);
pci_info(dev, "%s %pR: releasing\n", res_name, res);
if (!res->parent)
return;
......@@ -480,6 +485,7 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
u16 cmd, old_cmd;
int i;
struct resource *r;
const char *r_name;
pci_read_config_word(dev, PCI_COMMAND, &cmd);
old_cmd = cmd;
......@@ -488,6 +494,8 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
if (!(mask & (1 << i)))
continue;
r_name = pci_resource_name(dev, i);
if (!(r->flags & (IORESOURCE_IO | IORESOURCE_MEM)))
continue;
if ((i == PCI_ROM_RESOURCE) &&
......@@ -495,14 +503,14 @@ int pci_enable_resources(struct pci_dev *dev, int mask)
continue;
if (r->flags & IORESOURCE_UNSET) {
pci_err(dev, "can't enable device: BAR %d %pR not assigned\n",
i, r);
pci_err(dev, "%s %pR: not assigned; can't enable device\n",
r_name, r);
return -EINVAL;
}
if (!r->parent) {
pci_err(dev, "can't enable device: BAR %d %pR not claimed\n",
i, r);
pci_err(dev, "%s %pR: not claimed; can't enable device\n",
r_name, r);
return -EINVAL;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment