Robert Marko 374eece193 PCI: qcom: Power on PHY before IPQ8074 DBI register accesses
[ Upstream commit a0e43bb9973b06ce5c666f0901e104e2037c1b34 ]

Currently the Gen2 port in IPQ8074 will cause the system to hang as it
accesses DBI registers in qcom_pcie_init_2_3_3(), and those are only
accesible after phy_power_on().

Move the DBI read/writes to a new qcom_pcie_post_init_2_3_3(), which is
executed after phy_power_on().

Link: https://lore.kernel.org/r/20220623155004.688090-1-robimarko@gmail.com
Fixes: a0fd361db8e5 ("PCI: dwc: Move "dbi", "dbi2", and "addr_space" resource setup into common code")
Signed-off-by: Robert Marko <robimarko@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: stable@vger.kernel.org	# v5.11+
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 15:16:08 +02:00
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