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PCI: qcom: Fix host-init error handling

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Implement the new host_deinit() callback so that the PHY is powered off
and regulators and clocks are disabled also on late host-init errors.

Link: https://lore.kernel.org/r/20221017114705.8277-2-johan+linaro@kernel.org
Fixes: 82a823833f ("PCI: qcom: Add Qualcomm PCIe controller driver")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
This commit is contained in:
Johan Hovold 2022-10-17 13:47:04 +02:00 committed by Bjorn Helgaas
parent 720e0d91c9
commit 997e010de9
1 changed files with 12 additions and 1 deletions
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13
drivers/pci/controller/dwc/pcie-qcom.c
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@ -1534,8 +1534,19 @@ err_deinit:
return ret;
}
static void qcom_pcie_host_deinit(struct dw_pcie_rp *pp)
{
struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
struct qcom_pcie *pcie = to_qcom_pcie(pci);
qcom_ep_reset_assert(pcie);
phy_power_off(pcie->phy);
pcie->cfg->ops->deinit(pcie);
}
static const struct dw_pcie_host_ops qcom_pcie_dw_ops = {
.host_init = qcom_pcie_host_init,
.host_init = qcom_pcie_host_init,
.host_deinit = qcom_pcie_host_deinit,
};
/* Qcom IP rev.: 2.1.0 Synopsys IP rev.: 4.01a */