summaryrefslogtreecommitdiff
path: root/drivers/pci/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c106
1 files changed, 47 insertions, 59 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index fd958c8ebd83..51ec8b481280 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -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
@@ -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
@@ -846,6 +849,7 @@ 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
@@ -1017,6 +1021,7 @@ 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)
@@ -1087,6 +1092,7 @@ 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 +1237,7 @@ 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 +1312,7 @@ 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 +1326,7 @@ 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 +1343,7 @@ 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 +1426,7 @@ int pcim_enable_device(struct pci_dev *pdev)
}
return rc;
}
+EXPORT_SYMBOL(pcim_enable_device);
/**
* pcim_pin_device - Pin managed PCI device
@@ -1434,6 +1445,7 @@ 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
@@ -1534,6 +1546,7 @@ 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 +1575,7 @@ 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 +1655,7 @@ 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 +1760,7 @@ 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 +1846,7 @@ 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 +1925,7 @@ 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 +1938,7 @@ 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.
@@ -2478,6 +2497,7 @@ 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
@@ -2548,6 +2568,7 @@ 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
@@ -2571,6 +2592,8 @@ int pci_request_region_exclusive(struct pci_dev *pdev, int bar, const char *res_
{
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
@@ -2587,6 +2610,7 @@ 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)
@@ -2619,6 +2643,7 @@ 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)
@@ -2626,6 +2651,7 @@ int pci_request_selected_regions_exclusive(struct pci_dev *pdev,
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 +2666,7 @@ 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 +2685,7 @@ 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 +2708,7 @@ 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 +2778,7 @@ 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 +2788,7 @@ 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
@@ -2797,23 +2828,6 @@ int pci_set_cacheline_size(struct pci_dev *dev)
}
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
@@ -2825,6 +2839,9 @@ void pci_clear_mwi(struct pci_dev *dev)
int
pci_set_mwi(struct pci_dev *dev)
{
+#ifdef PCI_DISABLE_MWI
+ return 0;
+#else
int rc;
u16 cmd;
@@ -2838,9 +2855,10 @@ pci_set_mwi(struct pci_dev *dev)
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 +2871,13 @@ 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
@@ -2866,6 +2888,7 @@ int pci_try_set_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 +2896,9 @@ 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
@@ -2908,6 +2932,7 @@ pci_intx(struct pci_dev *pdev, int enable)
}
}
}
+EXPORT_SYMBOL_GPL(pci_intx);
/**
* pci_intx_mask_supported - probe for INTx masking support
@@ -4094,6 +4119,7 @@ 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
@@ -4446,41 +4472,3 @@ 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);