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Star64_linux/drivers/pci
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Bjorn Andersson 02b485e31d PCI: qcom: Don't deassert reset GPIO during probe 
Acquiring the reset GPIO low means that reset is being deasserted, this
is followed almost immediately with qcom_pcie_host_init() asserting it,
initializing it and then finally deasserting it again, for the link to
come up.

Some PCIe devices requires a minimum time between the initial deassert
and subsequent reset cycles. In a platform that boots with the reset
GPIO asserted this requirement is being violated by this deassert/assert
pulse.

Acquire the reset GPIO high to prevent this situation by matching the
state to the subsequent asserted state.

Fixes: 82a823833f ("PCI: qcom: Add Qualcomm PCIe controller driver")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[lorenzo.pieralisi@arm.com: updated commit log]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: stable@vger.kernel.org
2019-02-28 09:46:10 +00:00
..
controller PCI: qcom: Don't deassert reset GPIO during probe 2019-02-28 09:46:10 +00:00
endpoint PCI: consolidate PCI config entry in drivers/pci 2018-11-23 11:45:34 +09:00
hotplug Merge branch 'xarray' of git://git.infradead.org/users/willy/linux-dax 2018-10-28 11:35:40 -07:00
pcie pci-v4.21-changes 2019-01-05 17:57:34 -08:00
switch switchtec: Add MRPC DMA mode support 2018-12-13 09:03:32 -06:00
access.c PCI: Uninline PCI bus accessors for better ftracing 2018-10-04 16:37:37 -05:00
ats.c
bus.c
ecam.c
host-bridge.c
iov.c PCI/IOV: Add flag so platforms can skip VF scanning 2019-01-01 19:04:37 -06:00
irq.c
Kconfig pci-v4.21-changes 2019-01-05 17:57:34 -08:00
Makefile PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set 2018-12-20 10:19:49 +01:00
mmap.c
msi.c genirq/core: Introduce struct irq_affinity_desc 2018-12-19 11:32:08 +01:00
of.c iommu/of: make of_pci_map_rid() available for other devices too 2018-09-25 09:47:52 +02:00
p2pdma.c pci-v4.21-changes 2019-01-05 17:57:34 -08:00
pci-acpi.c PCI / ACPI: Identify untrusted PCI devices 2018-12-05 12:01:55 +03:00
pci-bridge-emul.c PCI: Introduce PCI bridge emulated config space common logic 2018-10-18 17:50:19 +01:00
pci-bridge-emul.h PCI: Introduce PCI bridge emulated config space common logic 2018-10-18 17:50:19 +01:00
pci-driver.c pci-v4.21-changes 2019-01-05 17:57:34 -08:00
pci-label.c
pci-mid.c x86/cpu: Sanitize FAM6_ATOM naming 2018-10-02 10:14:32 +02:00
pci-pf-stub.c
pci-stub.c
pci-sysfs.c
pci.c PCI: Fix incorrect value returned from pcie_get_speed_cap() 2018-11-30 23:42:03 -06:00
pci.h PCI: Add missing include to drivers/pci.h 2018-12-06 14:55:41 -06:00
probe.c PCI / ACPI: Identify untrusted PCI devices 2018-12-05 12:01:55 +03:00
proc.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
quirks.c PCI: Override Synopsys USB 3.x HAPS device class 2018-12-17 16:25:16 -06:00
remove.c PCI/ASPM: Fix link_state teardown on device removal 2018-09-17 16:32:23 -05:00
rom.c
search.c
setup-bus.c PCI: Equalize hotplug memory and io for occupied and empty slots 2018-10-02 16:04:40 -05:00
setup-irq.c
setup-res.c
slot.c PCI/ERR: Use slot reset if available 2018-09-21 12:18:10 -05:00
syscall.c
vc.c
vpd.c
xen-pcifront.c