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authorGravatar Bjorn Helgaas <bhelgaas@google.com> 2020-10-21 09:58:36 -0500
committerGravatar Bjorn Helgaas <bhelgaas@google.com> 2020-10-21 09:58:36 -0500
commit8b28a3f3461edd3df597c4f8ddc54a4fc0c3cc0f (patch)
treed4f3f7be45b9003e94a7cd03738e584e35e1fd5e /drivers/pci/pci.c
parentMerge branch 'pci/pm' (diff)
parentPCI: v3-semi: Remove unneeded break (diff)
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Merge branch 'pci/misc'
- Remove unnecessary #includes (Gustavo Pimentel) - Fix intel_mid_pci.c build error when !CONFIG_ACPI (Randy Dunlap) - Use scnprintf(), not snprintf(), in sysfs "show" functions (Krzysztof Wilczyński) - Simplify pci-pf-stub by using module_pci_driver() (Liu Shixin) - Print IRQ used by Link Bandwidth Notification (Dongdong Liu) - Update sysfs mmap-related #ifdef comments (Clint Sbisa) - Simplify pci_dev_reset_slot_function() (Lukas Wunner) - Use "NULL" instead of "0" to fix sparse warnings (Gustavo Pimentel) - Simplify bool comparisons (Krzysztof Wilczyński) - Drop double zeroing for P2PDMA sg_init_table() (Julia Lawall) * pci/misc: PCI: v3-semi: Remove unneeded break PCI/P2PDMA: Drop double zeroing for sg_init_table() PCI: Simplify bool comparisons PCI: endpoint: Use "NULL" instead of "0" as a NULL pointer PCI: Simplify pci_dev_reset_slot_function() PCI: Update mmap-related #ifdef comments PCI/LINK: Print IRQ number used by port PCI/IOV: Simplify pci-pf-stub with module_pci_driver() PCI: Use scnprintf(), not snprintf(), in sysfs "show" functions x86/PCI: Fix intel_mid_pci.c build error when ACPI is not enabled PCI: Remove unnecessary header includes
Diffstat (limited to 'drivers/pci/pci.c')
-rw-r--r--drivers/pci/pci.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 327450e891a0..0e63e0e77708 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/msi.h>
#include <linux/of.h>
-#include <linux/of_pci.h>
#include <linux/pci.h>
#include <linux/pm.h>
#include <linux/slab.h>
@@ -30,8 +29,6 @@
#include <linux/pm_runtime.h>
#include <linux/pci_hotplug.h>
#include <linux/vmalloc.h>
-#include <linux/pci-ats.h>
-#include <asm/setup.h>
#include <asm/dma.h>
#include <linux/aer.h>
#include "pci.h"
@@ -4935,16 +4932,10 @@ static int pci_reset_hotplug_slot(struct hotplug_slot *hotplug, int probe)
static int pci_dev_reset_slot_function(struct pci_dev *dev, int probe)
{
- struct pci_dev *pdev;
-
- if (dev->subordinate || !dev->slot ||
+ if (dev->multifunction || dev->subordinate || !dev->slot ||
dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET)
return -ENOTTY;
- list_for_each_entry(pdev, &dev->bus->devices, bus_list)
- if (pdev != dev && pdev->slot == dev->slot)
- return -ENOTTY;
-
return pci_reset_hotplug_slot(dev->slot->hotplug, probe);
}
@@ -6020,7 +6011,7 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode,
if (flags & PCI_VGA_STATE_CHANGE_DECODES) {
pci_read_config_word(dev, PCI_COMMAND, &cmd);
- if (decode == true)
+ if (decode)
cmd |= command_bits;
else
cmd &= ~command_bits;
@@ -6036,7 +6027,7 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode,
if (bridge) {
pci_read_config_word(bridge, PCI_BRIDGE_CONTROL,
&cmd);
- if (decode == true)
+ if (decode)
cmd |= PCI_BRIDGE_CTL_VGA;
else
cmd &= ~PCI_BRIDGE_CTL_VGA;
@@ -6365,7 +6356,7 @@ static ssize_t resource_alignment_show(struct bus_type *bus, char *buf)
spin_lock(&resource_alignment_lock);
if (resource_alignment_param)
- count = snprintf(buf, PAGE_SIZE, "%s", resource_alignment_param);
+ count = scnprintf(buf, PAGE_SIZE, "%s", resource_alignment_param);
spin_unlock(&resource_alignment_lock);
/*