- Remove unused tools 'pci' build target left over after moving tests to
  tools/testing/selftests/pci_endpoint (Jianfeng Liu)

- Fix typos and whitespace errors (Bjorn Helgaas)

* pci/misc:
  PCI: Fix typos
  tools/Makefile: Remove pci target

# Conflicts:
#	drivers/pci/endpoint/functions/pci-epf-test.c

- Correct the 'link down' interrupt bit for J784S4 (Siddharth Vadapalli)

* pci/controller/j721e:
  PCI: j721e: Fix the value of .linkdown_irq_regfield for J784S4

Commit e49ad667815d ("PCI: j721e: Add TI J784S4 PCIe configuration")
assigned the value of .linkdown_irq_regfield for the J784S4 SoC as the
"LINK_DOWN" macro corresponding to BIT(1), and as a result, the Link
Down interrupts on J784S4 SoC are missed.

According to the Technical Reference Manual and Register Documentation
for the J784S4 SoC[1], BIT(1) corresponds to "ENABLE_SYS_EN_PCIE_DPA_1",
which is not the correct field for the link-state interrupt. Instead, it
is BIT(10) of the "PCIE_INTD_ENABLE_REG_SYS_2" register that corresponds
to the link-state field named as "ENABLE_SYS_EN_PCIE_LINK_STATE".

Thus, set .linkdown_irq_regfield to the macro "J7200_LINK_DOWN", which
expands to BIT(10) and was first defined for the J7200 SoC. Other SoCs
already reuse this macro since it accurately represents the "link-state"
field in their respective "PCIE_INTD_ENABLE_REG_SYS_2" register.

1: https://www.ti.com/lit/zip/spruj52

Fixes: e49ad667815d ("PCI: j721e: Add TI J784S4 PCIe configuration")
Cc: stable@vger.kernel.org
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
[kwilczynski: commit log, add a missing .linkdown_irq_regfield member
set to the J7200_LINK_DOWN macro to struct j7200_pcie_ep_data]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Link: https://lore.kernel.org/r/20250305132018.2260771-1-s-vadapalli@ti.com

Fix typos and whitespace errors.

Link: https://lore.kernel.org/r/20250307231715.438518-1-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Per the Cadence's "PCIe Controller IP for AX14" user guide, Version
1.04, Section 9.1.7.1, "AXI Subordinate to PCIe Address Translation
Registers", Table 9.4, the bit 16 of the AXI Subordinate Address
(axi_s_awaddr) when set corresponds to MSG with data, and when not set,
to MSG without data.

However, the driver is currently doing the opposite and due to this,
the INTx is never received on the host.

So, fix the driver to reflect the documentation and also make INTx work.

Fixes: 37dddf14f1ae ("PCI: cadence: Add EndPoint Controller driver for Cadence PCIe controller")
Signed-off-by: Hans Zhang <18255117159@163.com>
Signed-off-by: Hans Zhang <hans.zhang@cixtech.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20250214165724.184599-1-18255117159@163.com
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

- Add PCIe support for J722S SoC (Siddharth Vadapalli)

- Delay PCIE_T_PVPERL_MS (100 ms), not just PCIE_T_PERST_CLK_US (100 us),
  before deasserting PERST# to ensure power and refclk are stable
  (Siddharth Vadapalli)

* pci/controller/j721e:
  PCI: j721e: Deassert PERST# after a delay of PCIE_T_PVPERL_MS milliseconds
  PCI: j721e: Add PCIe support for J722S SoC

- Lower severity of 'phy-names' message (Bartosz Wawrzyniak)

* pci/controller/cadence:
  PCI: cadence: Lower severity of message when phy-names property is absent in DTS

The "phy-names" property is optional, so the message indicating its
absence during the probe should be of "info" severity rather than
"error" severity.

Link: https://lore.kernel.org/r/20241018113045.2050295-1-bwawrzyn@cisco.com
Signed-off-by: Bartosz Wawrzyniak <bwawrzyn@cisco.com>
[kwilczynski: update log messages wording, commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

According to Section 2.2 of the PCI Express Card Electromechanical
Specification (Revision 5.1), in order to ensure that the power and the
reference clock are stable, PERST# has to be deasserted after a delay of
100 milliseconds (TPVPERL).

Currently, it is being assumed that the power is already stable, which
is not necessarily true.

Hence, change the delay to PCIE_T_PVPERL_MS to guarantee that power and
reference clock are stable.

Fixes: f3e25911a430 ("PCI: j721e: Add TI J721E PCIe driver")
Fixes: f96b69713733 ("PCI: j721e: Use T_PERST_CLK_US macro")
Link: https://lore.kernel.org/r/20241104074420.1862932-1-s-vadapalli@ti.com
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>

TI's J722S SoC has one instance of PCIe namely PCIe0 which is a Gen3
single lane PCIe controller. Add support for the "ti,j722s-pcie-host"
compatible specific to J722S SoC.

Link: https://lore.kernel.org/r/20240524092349.158443-1-s-vadapalli@ti.com
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>