[PATCH V3 10/21] PCI: tegra194: Free resources during controller deinitialization

Vidya Sagar
2022-10-13T18:44:14Z

Call dw_pcie_ep_deinit() during controller deinitialization to free the
resources allocated in common DesignWare driver.

Signed-off-by: Vidya Sagar <vidyas@nvidia.com>
---
V3:
* This is a new patch in this series

drivers/pci/controller/dwc/pcie-tegra194.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 910dc6c2154e..7820bf4b9786 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -1770,12 +1770,16 @@ static int tegra_pcie_config_rp(struct tegra_pcie_dw *pcie)

static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie)
{
+ struct dw_pcie *pci = &pcie->pci;
+ struct dw_pcie_ep *ep = &pci->ep;
u32 val;
int ret;

if (pcie->ep_state == EP_STATE_DISABLED)
return;

+ dw_pcie_ep_deinit_notify(ep);
+
ret = readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val,
((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_QUIET) ||
((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_ACT) ||
--
2.17.1