linux-stable/drivers/pci
Remi Pommarel 7fbcb5da81 PCI: aardvark: Don't rely on jiffies while holding spinlock
advk_pcie_wait_pio() can be called while holding a spinlock (from
pci_bus_read_config_dword()), then depends on jiffies in order to
timeout while polling on PIO state registers. In the case the PIO
transaction failed, the timeout will never happen and will also cause
the cpu to stall.

This decrements a variable and wait instead of using jiffies.

Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Andrew Murray <andrew.murray@arm.com>
Acked-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2019-10-15 12:11:51 +01:00
..
controller PCI: aardvark: Don't rely on jiffies while holding spinlock 2019-10-15 12:11:51 +01:00
endpoint PCI: endpoint: Clear BAR before freeing its space 2019-06-11 10:57:54 +01:00
hotplug pci-v5.4-changes 2019-09-23 19:16:01 -07:00
pcie pci-v5.4-changes 2019-09-23 19:16:01 -07:00
switch New feature to add support for NTB virtual MSI interrupts, the ability 2019-07-21 09:46:59 -07:00
access.c PCI: Make pcie_downstream_port() available outside of access.c 2019-09-07 07:45:25 -05:00
ats.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
bus.c PCI: Unexport pci_bus_get() and pci_bus_put() 2019-07-23 18:32:49 -05:00
ecam.c
host-bridge.c
iov.c Merge branch 'pci/resource' 2019-09-23 16:10:15 -05:00
irq.c
Kconfig pci-v5.4-changes 2019-09-23 19:16:01 -07:00
Makefile PCI: OF: Allow of_pci_get_max_link_speed() to be used by PCI Endpoint drivers 2019-04-15 13:24:02 +01:00
mmap.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
msi.c New feature to add support for NTB virtual MSI interrupts, the ability 2019-07-21 09:46:59 -07:00
of.c PCI: OF: Correct of_irq_parse_pci() documentation 2019-08-30 14:00:34 -05:00
p2pdma.c PCI/P2PDMA: Update pci_p2pdma_distance_many() documentation 2019-08-16 08:41:59 -05:00
pci-acpi.c Merge branch 'pci/enumeration' 2019-09-23 16:10:08 -05:00
pci-bridge-emul.c PCI: Use static const struct, not const static struct 2019-09-05 13:26:46 -05:00
pci-bridge-emul.h PCI: pci-bridge-emul: Extend pci_bridge_emul_init() with flags 2019-02-22 10:51:14 +00:00
pci-driver.c pci-v5.3-changes 2019-07-15 20:44:49 -07:00
pci-label.c
pci-mid.c
pci-pf-stub.c PCI: Fix typos and whitespace errors 2019-07-09 07:24:53 -05:00
pci-stub.c PCI: Replace printk(KERN_INFO) with pr_info(), etc 2019-05-09 07:49:54 -05:00
pci-sysfs.c Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
pci.c pci-v5.4-changes 2019-09-23 19:16:01 -07:00
pci.h pci-v5.4-changes 2019-09-23 19:16:01 -07:00
probe.c pci-v5.4-changes 2019-09-23 19:16:01 -07:00
proc.c Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
quirks.c pci-v5.4-changes 2019-09-23 19:16:01 -07:00
remove.c
rom.c
search.c PCI: Unexport pci_bus_sem 2019-07-23 18:32:50 -05:00
setup-bus.c PCI: Use PCI_SRIOV_NUM_BARS in loops instead of PCI_IOV_RESOURCE_END 2019-08-08 15:12:12 -05:00
setup-irq.c
setup-res.c
slot.c PCI: Decode PCIe 32 GT/s link speed 2019-06-13 16:49:45 -05:00
syscall.c PCI: Lock down BAR access when the kernel is locked down 2019-08-19 21:54:15 -07:00
vc.c Merge branch 'pci/trivial' 2019-09-23 16:10:31 -05:00
vpd.c PCI/VPD: Prevent VPD access for Amazon's Annapurna Labs Root Port 2019-09-16 14:10:09 +01:00
xen-pcifront.c Merge branch 'pci/printk' 2019-05-13 18:34:46 -05:00