summaryrefslogtreecommitdiff
path: root/drivers/pci/pci.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 13:20:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 13:20:24 -0700
commit7550cfab3d4053b54f16e2fe337affde71d1eb51 (patch)
treedcbd567925a92ceec1174b91f50653bf914a89c7 /drivers/pci/pci.c
parent19c1940feab777bb037c665a09f495d08a6c4e6c (diff)
parent38a6148248e199a4a960bbaa6b8eb14f138b73e1 (diff)
Merge tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull more PCI updates from Bjorn Helgaas: "Here are some more things I'd like to see in v3.16-rc1: - DMA alias iterator, part of some work to fix IOMMU issues - MVEBU, Tegra, DesignWare changes that I forgot to include before - Some whitespace code cleanup Details: IOMMU - Add DMA alias iterator (Alex Williamson) - Add DMA alias quirks for ASMedia, ITE, Tundra bridges (Alex Williamson) - Add DMA alias quirks for Marvell, Ricoh devices (Alex Williamson) - Add DMA alias quirk for HighPoint devices (Jérôme Carretero) MSI - Fix leak in free_msi_irqs() (Alexei Starovoitov) Marvell MVEBU - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Avoid setting an undefined window size (Jason Gunthorpe) - Allow several windows with the same target/attribute (Thomas Petazzoni) - Split PCIe BARs into multiple MBus windows when needed (Thomas Petazzoni) - Fix off-by-one in the computed size of the mbus windows (Willy Tarreau) NVIDIA Tegra - Use new OF interrupt mapping when possible (Lucas Stach) Synopsys DesignWare - Remove unnecessary use of 'conf_lock' spinlock (Andrew Murray) - Use new OF interrupt mapping when possible (Lucas Stach) - Split Exynos and i.MX bindings (Lucas Stach) - Fix comment for setting number of lanes (Mohit Kumar) - Fix iATU programming for cfg1, io and mem viewport (Mohit Kumar) Miscellaneous - EXPORT_SYMBOL cleanup (Ryan Desfosses) - Whitespace cleanup (Ryan Desfosses) - Merge multi-line quoted strings (Ryan Desfosses)" * tag 'pci-v3.16-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (21 commits) PCI: Add function 1 DMA alias quirk for HighPoint RocketRaid 642L PCI/MSI: Fix memory leak in free_msi_irqs() PCI: Merge multi-line quoted strings PCI: Whitespace cleanup PCI: Move EXPORT_SYMBOL so it immediately follows function/variable PCI: Add bridge DMA alias quirk for ITE bridge PCI: designware: Split Exynos and i.MX bindings PCI: Add bridge DMA alias quirk for ASMedia and Tundra bridges PCI: Add support for PCIe-to-PCI bridge DMA alias quirks PCI: Add function 1 DMA alias quirk for Marvell devices PCI: Add function 0 DMA alias quirk for Ricoh devices PCI: Add support for DMA alias quirks PCI: Convert pci_dev_flags definitions to bit shifts PCI: Add DMA alias iterator PCI: mvebu: Use '%pa' for printing 'phys_addr_t' type PCI: mvebu: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Remove unnecessary use of 'conf_lock' spinlock PCI: designware: Use new OF interrupt mapping when possible PCI: designware: Fix iATU programming for cfg1, io and mem viewport PCI: designware: Fix comment for setting number of lanes ...
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c195
1 files changed, 85 insertions, 110 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 212c63d780e7..63a54a340863 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -114,7 +114,7 @@ unsigned char pci_bus_max_busnr(struct pci_bus *bus)
max = bus->busn_res.end;
list_for_each_entry(tmp, &bus->children, node) {
n = pci_bus_max_busnr(tmp);
- if(n > max)
+ if (n > max)
max = n;
}
return max;
@@ -226,6 +226,7 @@ int pci_find_capability(struct pci_dev *dev, int cap)
return pos;
}
+EXPORT_SYMBOL(pci_find_capability);
/**
* pci_bus_find_capability - query for devices' capabilities
@@ -253,6 +254,7 @@ int pci_bus_find_capability(struct pci_bus *bus, unsigned int devfn, int cap)
return pos;
}
+EXPORT_SYMBOL(pci_bus_find_capability);
/**
* pci_find_next_ext_capability - Find an extended capability
@@ -403,8 +405,8 @@ EXPORT_SYMBOL_GPL(pci_find_ht_capability);
* For given resource region of given device, return the resource
* region of parent bus the given region is contained in.
*/
-struct resource *
-pci_find_parent_resource(const struct pci_dev *dev, struct resource *res)
+struct resource *pci_find_parent_resource(const struct pci_dev *dev,
+ struct resource *res)
{
const struct pci_bus *bus = dev->bus;
struct resource *r;
@@ -436,6 +438,7 @@ pci_find_parent_resource(const struct pci_dev *dev, struct resource *res)
}
return NULL;
}
+EXPORT_SYMBOL(pci_find_parent_resource);
/**
* pci_wait_for_pending - wait for @mask bit(s) to clear in status word @pos
@@ -470,8 +473,7 @@ int pci_wait_for_pending(struct pci_dev *dev, int pos, u16 mask)
* Restore the BAR values for a given device, so as to make it
* accessible by its driver.
*/
-static void
-pci_restore_bars(struct pci_dev *dev)
+static void pci_restore_bars(struct pci_dev *dev)
{
int i;
@@ -496,7 +498,7 @@ static inline bool platform_pci_power_manageable(struct pci_dev *dev)
}
static inline int platform_pci_set_power_state(struct pci_dev *dev,
- pci_power_t t)
+ pci_power_t t)
{
return pci_platform_pm ? pci_platform_pm->set_state(dev, t) : -ENOSYS;
}
@@ -553,8 +555,8 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
*/
if (state != PCI_D0 && dev->current_state <= PCI_D3cold
&& dev->current_state > state) {
- dev_err(&dev->dev, "invalid power transition "
- "(from state %d to %d)\n", dev->current_state, state);
+ dev_err(&dev->dev, "invalid power transition (from state %d to %d)\n",
+ dev->current_state, state);
return -EINVAL;
}
@@ -601,8 +603,8 @@ static int pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state)
pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr);
dev->current_state = (pmcsr & PCI_PM_CTRL_STATE_MASK);
if (dev->current_state != state && printk_ratelimit())
- dev_info(&dev->dev, "Refused to change power state, "
- "currently in D%d\n", dev->current_state);
+ dev_info(&dev->dev, "Refused to change power state, currently in D%d\n",
+ dev->current_state);
/*
* According to section 5.4.1 of the "PCI BUS POWER MANAGEMENT
@@ -846,6 +848,7 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state)
return error;
}
+EXPORT_SYMBOL(pci_set_power_state);
/**
* pci_choose_state - Choose the power state of a PCI device
@@ -884,12 +887,10 @@ pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
}
return PCI_D0;
}
-
EXPORT_SYMBOL(pci_choose_state);
#define PCI_EXP_SAVE_REGS 7
-
static struct pci_cap_saved_state *_pci_find_saved_cap(struct pci_dev *pci_dev,
u16 cap, bool extended)
{
@@ -1001,8 +1002,7 @@ static void pci_restore_pcix_state(struct pci_dev *dev)
* pci_save_state - save the PCI configuration space of a device before suspending
* @dev: - PCI device that we're dealing with
*/
-int
-pci_save_state(struct pci_dev *dev)
+int pci_save_state(struct pci_dev *dev)
{
int i;
/* XXX: 100% dword access ok here? */
@@ -1017,6 +1017,7 @@ pci_save_state(struct pci_dev *dev)
return i;
return 0;
}
+EXPORT_SYMBOL(pci_save_state);
static void pci_restore_config_dword(struct pci_dev *pdev, int offset,
u32 saved_val, int retry)
@@ -1028,8 +1029,8 @@ static void pci_restore_config_dword(struct pci_dev *pdev, int offset,
return;
for (;;) {
- dev_dbg(&pdev->dev, "restoring config space at offset "
- "%#x (was %#x, writing %#x)\n", offset, val, saved_val);
+ dev_dbg(&pdev->dev, "restoring config space at offset %#x (was %#x, writing %#x)\n",
+ offset, val, saved_val);
pci_write_config_dword(pdev, offset, saved_val);
if (retry-- <= 0)
return;
@@ -1087,6 +1088,7 @@ void pci_restore_state(struct pci_dev *dev)
dev->state_saved = false;
}
+EXPORT_SYMBOL(pci_restore_state);
struct pci_saved_state {
u32 config_space[16];
@@ -1231,6 +1233,7 @@ int pci_reenable_device(struct pci_dev *dev)
return do_pci_enable_device(dev, (1 << PCI_NUM_RESOURCES) - 1);
return 0;
}
+EXPORT_SYMBOL(pci_reenable_device);
static void pci_enable_bridge(struct pci_dev *dev)
{
@@ -1305,6 +1308,7 @@ int pci_enable_device_io(struct pci_dev *dev)
{
return pci_enable_device_flags(dev, IORESOURCE_IO);
}
+EXPORT_SYMBOL(pci_enable_device_io);
/**
* pci_enable_device_mem - Initialize a device for use with Memory space
@@ -1318,6 +1322,7 @@ int pci_enable_device_mem(struct pci_dev *dev)
{
return pci_enable_device_flags(dev, IORESOURCE_MEM);
}
+EXPORT_SYMBOL(pci_enable_device_mem);
/**
* pci_enable_device - Initialize device before it's used by a driver.
@@ -1334,6 +1339,7 @@ int pci_enable_device(struct pci_dev *dev)
{
return pci_enable_device_flags(dev, IORESOURCE_MEM | IORESOURCE_IO);
}
+EXPORT_SYMBOL(pci_enable_device);
/*
* Managed PCI resources. This manages device on/off, intx/msi/msix
@@ -1416,6 +1422,7 @@ int pcim_enable_device(struct pci_dev *pdev)
}
return rc;
}
+EXPORT_SYMBOL(pcim_enable_device);
/**
* pcim_pin_device - Pin managed PCI device
@@ -1434,6 +1441,7 @@ void pcim_pin_device(struct pci_dev *pdev)
if (dr)
dr->pinned = 1;
}
+EXPORT_SYMBOL(pcim_pin_device);
/*
* pcibios_add_device - provide arch specific hooks when adding device dev
@@ -1443,7 +1451,7 @@ void pcim_pin_device(struct pci_dev *pdev)
* devices are added. This is the default implementation. Architecture
* implementations can override this.
*/
-int __weak pcibios_add_device (struct pci_dev *dev)
+int __weak pcibios_add_device(struct pci_dev *dev)
{
return 0;
}
@@ -1515,8 +1523,7 @@ void pci_disable_enabled_device(struct pci_dev *dev)
* Note we don't actually disable the device until all callers of
* pci_enable_device() have called pci_disable_device().
*/
-void
-pci_disable_device(struct pci_dev *dev)
+void pci_disable_device(struct pci_dev *dev)
{
struct pci_devres *dr;
@@ -1534,6 +1541,7 @@ pci_disable_device(struct pci_dev *dev)
dev->is_busmaster = 0;
}
+EXPORT_SYMBOL(pci_disable_device);
/**
* pcibios_set_pcie_reset_state - set reset state for device dev
@@ -1562,6 +1570,7 @@ int pci_set_pcie_reset_state(struct pci_dev *dev, enum pcie_reset_state state)
{
return pcibios_set_pcie_reset_state(dev, state);
}
+EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
/**
* pci_check_pme_status - Check if given device has generated PME.
@@ -1641,6 +1650,7 @@ bool pci_pme_capable(struct pci_dev *dev, pci_power_t state)
return !!(dev->pme_support & (1 << state));
}
+EXPORT_SYMBOL(pci_pme_capable);
static void pci_pme_list_scan(struct work_struct *work)
{
@@ -1745,6 +1755,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
}
+EXPORT_SYMBOL(pci_pme_active);
/**
* __pci_enable_wake - enable PCI device as wakeup event source
@@ -1830,6 +1841,7 @@ int pci_wake_from_d3(struct pci_dev *dev, bool enable)
pci_enable_wake(dev, PCI_D3cold, enable) :
pci_enable_wake(dev, PCI_D3hot, enable);
}
+EXPORT_SYMBOL(pci_wake_from_d3);
/**
* pci_target_state - find an appropriate low power state for a given PCI dev
@@ -1908,6 +1920,7 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
return error;
}
+EXPORT_SYMBOL(pci_prepare_to_sleep);
/**
* pci_back_from_sleep - turn PCI device on during system-wide transition into working state
@@ -1920,6 +1933,7 @@ int pci_back_from_sleep(struct pci_dev *dev)
pci_enable_wake(dev, PCI_D0, false);
return pci_set_power_state(dev, PCI_D0);
}
+EXPORT_SYMBOL(pci_back_from_sleep);
/**
* pci_finish_runtime_suspend - Carry out PCI-specific part of runtime suspend.
@@ -2415,8 +2429,7 @@ u8 pci_swizzle_interrupt_pin(const struct pci_dev *dev, u8 pin)
return (((pin - 1) + slot) % 4) + 1;
}
-int
-pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
+int pci_get_interrupt_pin(struct pci_dev *dev, struct pci_dev **bridge)
{
u8 pin;
@@ -2478,6 +2491,7 @@ void pci_release_region(struct pci_dev *pdev, int bar)
if (dr)
dr->region_mask &= ~(1 << bar);
}
+EXPORT_SYMBOL(pci_release_region);
/**
* __pci_request_region - Reserved PCI I/O and memory resource
@@ -2498,8 +2512,8 @@ void pci_release_region(struct pci_dev *pdev, int bar)
* Returns 0 on success, or %EBUSY on error. A warning
* message is also printed on failure.
*/
-static int __pci_request_region(struct pci_dev *pdev, int bar, const char *res_name,
- int exclusive)
+static int __pci_request_region(struct pci_dev *pdev, int bar,
+ const char *res_name, int exclusive)
{
struct pci_devres *dr;
@@ -2510,8 +2524,7 @@ static int __pci_request_region(struct pci_dev *pdev, int bar, const char *res_n
if (!request_region(pci_resource_start(pdev, bar),
pci_resource_len(pdev, bar), res_name))
goto err_out;
- }
- else if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
+ } else if (pci_resource_flags(pdev, bar) & IORESOURCE_MEM) {
if (!__request_mem_region(pci_resource_start(pdev, bar),
pci_resource_len(pdev, bar), res_name,
exclusive))
@@ -2548,6 +2561,7 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
{
return __pci_request_region(pdev, bar, res_name, 0);
}
+EXPORT_SYMBOL(pci_request_region);
/**
* pci_request_region_exclusive - Reserved PCI I/O and memory resource
@@ -2567,10 +2581,13 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
* explicitly not allowed to map the resource via /dev/mem or
* sysfs.
*/
-int pci_request_region_exclusive(struct pci_dev *pdev, int bar, const char *res_name)
+int pci_request_region_exclusive(struct pci_dev *pdev, int bar,
+ const char *res_name)
{
return __pci_request_region(pdev, bar, res_name, IORESOURCE_EXCLUSIVE);
}
+EXPORT_SYMBOL(pci_request_region_exclusive);
+
/**
* pci_release_selected_regions - Release selected PCI I/O and memory resources
* @pdev: PCI device whose resources were previously reserved
@@ -2587,9 +2604,10 @@ void pci_release_selected_regions(struct pci_dev *pdev, int bars)
if (bars & (1 << i))
pci_release_region(pdev, i);
}
+EXPORT_SYMBOL(pci_release_selected_regions);
static int __pci_request_selected_regions(struct pci_dev *pdev, int bars,
- const char *res_name, int excl)
+ const char *res_name, int excl)
{
int i;
@@ -2600,7 +2618,7 @@ static int __pci_request_selected_regions(struct pci_dev *pdev, int bars,
return 0;
err_out:
- while(--i >= 0)
+ while (--i >= 0)
if (bars & (1 << i))
pci_release_region(pdev, i);
@@ -2619,13 +2637,15 @@ int pci_request_selected_regions(struct pci_dev *pdev, int bars,
{
return __pci_request_selected_regions(pdev, bars, res_name, 0);
}
+EXPORT_SYMBOL(pci_request_selected_regions);
-int pci_request_selected_regions_exclusive(struct pci_dev *pdev,
- int bars, const char *res_name)
+int pci_request_selected_regions_exclusive(struct pci_dev *pdev, int bars,
+ const char *res_name)
{
return __pci_request_selected_regions(pdev, bars, res_name,
IORESOURCE_EXCLUSIVE);
}
+EXPORT_SYMBOL(pci_request_selected_regions_exclusive);
/**
* pci_release_regions - Release reserved PCI I/O and memory resources
@@ -2640,6 +2660,7 @@ void pci_release_regions(struct pci_dev *pdev)
{
pci_release_selected_regions(pdev, (1 << 6) - 1);
}
+EXPORT_SYMBOL(pci_release_regions);
/**
* pci_request_regions - Reserved PCI I/O and memory resources
@@ -2658,6 +2679,7 @@ int pci_request_regions(struct pci_dev *pdev, const char *res_name)
{
return pci_request_selected_regions(pdev, ((1 << 6) - 1), res_name);
}
+EXPORT_SYMBOL(pci_request_regions);
/**
* pci_request_regions_exclusive - Reserved PCI I/O and memory resources
@@ -2680,6 +2702,7 @@ int pci_request_regions_exclusive(struct pci_dev *pdev, const char *res_name)
return pci_request_selected_regions_exclusive(pdev,
((1 << 6) - 1), res_name);
}
+EXPORT_SYMBOL(pci_request_regions_exclusive);
static void __pci_set_master(struct pci_dev *dev, bool enable)
{
@@ -2749,6 +2772,7 @@ void pci_set_master(struct pci_dev *dev)
__pci_set_master(dev, true);
pcibios_set_master(dev);
}
+EXPORT_SYMBOL(pci_set_master);
/**
* pci_clear_master - disables bus-mastering for device dev
@@ -2758,6 +2782,7 @@ void pci_clear_master(struct pci_dev *dev)
{
__pci_set_master(dev, false);
}
+EXPORT_SYMBOL(pci_clear_master);
/**
* pci_set_cacheline_size - ensure the CACHE_LINE_SIZE register is programmed
@@ -2790,30 +2815,13 @@ int pci_set_cacheline_size(struct pci_dev *dev)
if (cacheline_size == pci_cache_line_size)
return 0;
- dev_printk(KERN_DEBUG, &dev->dev, "cache line size of %d is not "
- "supported\n", pci_cache_line_size << 2);
+ dev_printk(KERN_DEBUG, &dev->dev, "cache line size of %d is not supported\n",
+ pci_cache_line_size << 2);
return -EINVAL;
}
EXPORT_SYMBOL_GPL(pci_set_cacheline_size);
-#ifdef PCI_DISABLE_MWI
-int pci_set_mwi(struct pci_dev *dev)
-{
- return 0;
-}
-
-int pci_try_set_mwi(struct pci_dev *dev)
-{
- return 0;
-}
-
-void pci_clear_mwi(struct pci_dev *dev)
-{
-}
-
-#else
-
/**
* pci_set_mwi - enables memory-write-invalidate PCI transaction
* @dev: the PCI device for which MWI is enabled
@@ -2822,9 +2830,11 @@ void pci_clear_mwi(struct pci_dev *dev)
*
* RETURNS: An appropriate -ERRNO error value on error, or zero for success.
*/
-int
-pci_set_mwi(struct pci_dev *dev)
+int pci_set_mwi(struct pci_dev *dev)
{
+#ifdef PCI_DISABLE_MWI
+ return 0;
+#else
int rc;
u16 cmd;
@@ -2833,14 +2843,15 @@ pci_set_mwi(struct pci_dev *dev)
return rc;
pci_read_config_word(dev, PCI_COMMAND, &cmd);
- if (! (cmd & PCI_COMMAND_INVALIDATE)) {
+ if (!(cmd & PCI_COMMAND_INVALIDATE)) {
dev_dbg(&dev->dev, "enabling Mem-Wr-Inval\n");
cmd |= PCI_COMMAND_INVALIDATE;
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
-
return 0;
+#endif
}
+EXPORT_SYMBOL(pci_set_mwi);
/**
* pci_try_set_mwi - enables memory-write-invalidate PCI transaction
@@ -2853,9 +2864,13 @@ pci_set_mwi(struct pci_dev *dev)
*/
int pci_try_set_mwi(struct pci_dev *dev)
{
- int rc = pci_set_mwi(dev);
- return rc;
+#ifdef PCI_DISABLE_MWI
+ return 0;
+#else
+ return pci_set_mwi(dev);
+#endif
}
+EXPORT_SYMBOL(pci_try_set_mwi);
/**
* pci_clear_mwi - disables Memory-Write-Invalidate for device dev
@@ -2863,9 +2878,9 @@ int pci_try_set_mwi(struct pci_dev *dev)
*
* Disables PCI Memory-Write-Invalidate transaction on the device
*/
-void
-pci_clear_mwi(struct pci_dev *dev)
+void pci_clear_mwi(struct pci_dev *dev)
{
+#ifndef PCI_DISABLE_MWI
u16 cmd;
pci_read_config_word(dev, PCI_COMMAND, &cmd);
@@ -2873,8 +2888,9 @@ pci_clear_mwi(struct pci_dev *dev)
cmd &= ~PCI_COMMAND_INVALIDATE;
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
+#endif
}
-#endif /* ! PCI_DISABLE_MWI */
+EXPORT_SYMBOL(pci_clear_mwi);
/**
* pci_intx - enables/disables PCI INTx for device dev
@@ -2883,18 +2899,16 @@ pci_clear_mwi(struct pci_dev *dev)
*
* Enables/disables PCI INTx for device dev
*/
-void
-pci_intx(struct pci_dev *pdev, int enable)
+void pci_intx(struct pci_dev *pdev, int enable)
{
u16 pci_command, new;
pci_read_config_word(pdev, PCI_COMMAND, &pci_command);
- if (enable) {
+ if (enable)
new = pci_command & ~PCI_COMMAND_INTX_DISABLE;
- } else {
+ else
new = pci_command | PCI_COMMAND_INTX_DISABLE;
- }
if (new != pci_command) {
struct pci_devres *dr;
@@ -2908,6 +2922,7 @@ pci_intx(struct pci_dev *pdev, int enable)
}
}
}
+EXPORT_SYMBOL_GPL(pci_intx);
/**
* pci_intx_mask_supported - probe for INTx masking support
@@ -2937,8 +2952,8 @@ bool pci_intx_mask_supported(struct pci_dev *dev)
* go ahead and check it.
*/
if ((new ^ orig) & ~PCI_COMMAND_INTX_DISABLE) {
- dev_err(&dev->dev, "Command register changed from "
- "0x%x to 0x%x: driver or hardware bug?\n", orig, new);
+ dev_err(&dev->dev, "Command register changed from 0x%x to 0x%x: driver or hardware bug?\n",
+ orig, new);
} else if ((new ^ orig) & PCI_COMMAND_INTX_DISABLE) {
mask_supported = true;
pci_write_config_word(dev, PCI_COMMAND, orig);
@@ -3124,8 +3139,7 @@ static int pci_af_flr(struct pci_dev *dev, int probe)
if (pci_wait_for_pending(dev, pos + PCI_AF_STATUS, PCI_AF_STATUS_TP))
goto clear;
- dev_err(&dev->dev, "transaction is not cleared; "
- "proceeding with reset anyway\n");
+ dev_err(&dev->dev, "transaction is not cleared; proceeding with reset anyway\n");
clear:
pci_write_config_byte(dev, pos + PCI_AF_CTRL, PCI_AF_CTRL_FLR);
@@ -4100,6 +4114,7 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags)
bars |= (1 << i);
return bars;
}
+EXPORT_SYMBOL(pci_select_bars);
/**
* pci_resource_bar - get position of the BAR associated with a resource
@@ -4139,7 +4154,7 @@ void __init pci_register_set_vga_state(arch_set_vga_state_t func)
}
static int pci_set_vga_state_arch(struct pci_dev *dev, bool decode,
- unsigned int command_bits, u32 flags)
+ unsigned int command_bits, u32 flags)
{
if (arch_set_vga_state)
return arch_set_vga_state(dev, decode, command_bits,
@@ -4251,11 +4266,10 @@ static resource_size_t pci_specified_resource_alignment(struct pci_dev *dev)
bus == dev->bus->number &&
slot == PCI_SLOT(dev->devfn) &&
func == PCI_FUNC(dev->devfn)) {
- if (align_order == -1) {
+ if (align_order == -1)
align = PAGE_SIZE;
- } else {
+ else
align = 1 << align_order;
- }
/* Found */
break;
}
@@ -4373,7 +4387,6 @@ static int __init pci_resource_alignment_sysfs_init(void)
return bus_create_file(&pci_bus_type,
&bus_attr_resource_alignment);
}
-
late_initcall(pci_resource_alignment_sysfs_init);
static void pci_no_domains(void)
@@ -4452,41 +4465,3 @@ static int __init pci_setup(char *str)
return 0;
}
early_param("pci", pci_setup);
-
-EXPORT_SYMBOL(pci_reenable_device);
-EXPORT_SYMBOL(pci_enable_device_io);
-EXPORT_SYMBOL(pci_enable_device_mem);
-EXPORT_SYMBOL(pci_enable_device);
-EXPORT_SYMBOL(pcim_enable_device);
-EXPORT_SYMBOL(pcim_pin_device);
-EXPORT_SYMBOL(pci_disable_device);
-EXPORT_SYMBOL(pci_find_capability);
-EXPORT_SYMBOL(pci_bus_find_capability);
-EXPORT_SYMBOL(pci_release_regions);
-EXPORT_SYMBOL(pci_request_regions);
-EXPORT_SYMBOL(pci_request_regions_exclusive);
-EXPORT_SYMBOL(pci_release_region);
-EXPORT_SYMBOL(pci_request_region);
-EXPORT_SYMBOL(pci_request_region_exclusive);
-EXPORT_SYMBOL(pci_release_selected_regions);
-EXPORT_SYMBOL(pci_request_selected_regions);
-EXPORT_SYMBOL(pci_request_selected_regions_exclusive);
-EXPORT_SYMBOL(pci_set_master);
-EXPORT_SYMBOL(pci_clear_master);
-EXPORT_SYMBOL(pci_set_mwi);
-EXPORT_SYMBOL(pci_try_set_mwi);
-EXPORT_SYMBOL(pci_clear_mwi);
-EXPORT_SYMBOL_GPL(pci_intx);
-EXPORT_SYMBOL(pci_assign_resource);
-EXPORT_SYMBOL(pci_find_parent_resource);
-EXPORT_SYMBOL(pci_select_bars);
-
-EXPORT_SYMBOL(pci_set_power_state);
-EXPORT_SYMBOL(pci_save_state);
-EXPORT_SYMBOL(pci_restore_state);
-EXPORT_SYMBOL(pci_pme_capable);
-EXPORT_SYMBOL(pci_pme_active);
-EXPORT_SYMBOL(pci_wake_from_d3);
-EXPORT_SYMBOL(pci_prepare_to_sleep);
-EXPORT_SYMBOL(pci_back_from_sleep);
-EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);