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

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Date:   Fri, 14 Oct 2022 00:08:43 +0530
From:   Vidya Sagar <vidyas@...dia.com>
To:     <lpieralisi@...nel.org>, <robh@...nel.org>, <kw@...ux.com>,
        <bhelgaas@...gle.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <kishon@...com>, <vkoul@...nel.org>,
        <mani@...nel.org>, <Sergey.Semin@...kalelectronics.ru>,
        <ffclaire1224@...il.com>
CC:     <linux-pci@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
        <kthota@...dia.com>, <mmaddireddy@...dia.com>, <vidyas@...dia.com>,
        <sagar.tv@...il.com>
Subject: [PATCH V3 10/21] PCI: tegra194: Free resources during controller deinitialization

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

Signed-off-by: Vidya Sagar <vidyas@...dia.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