FAILED: patch "[PATCH] PCI: dra7xx: Fix error handling when IRQ request fails in" failed to apply to 6.1-stable tree

FAILED: patch "[PATCH] PCI: dra7xx: Fix error handling when IRQ request fails in" failed to apply to 6.1-stable tree

[gregkh]

The patch below does not apply to the 6.1-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x 4d60f6d4b8fa4d7bad4aeb2b3ee5c10425bc60a4
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024100121-object-drudge-0113@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..

Possible dependencies:

4d60f6d4b8fa ("PCI: dra7xx: Fix error handling when IRQ request fails in probe")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 4d60f6d4b8fa4d7bad4aeb2b3ee5c10425bc60a4 Mon Sep 17 00:00:00 2001
From: Siddharth Vadapalli <s-vadapalli@ti.com>
Date: Tue, 27 Aug 2024 17:54:22 +0530
Subject: [PATCH] PCI: dra7xx: Fix error handling when IRQ request fails in
 probe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Commit d4c7d1a089d6 ("PCI: dwc: dra7xx: Push request_irq()
call to the bottom of probe") moved the IRQ request for
"dra7xx-pcie-main" towards the end of dra7xx_pcie_probe().

However, the error handling does not take into account the
initialization performed by either dra7xx_add_pcie_port() or
dra7xx_add_pcie_ep(), depending on the mode of operation.

Fix the error handling to address this.

Fixes: d4c7d1a089d6 ("PCI: dwc: dra7xx: Push request_irq() call to the bottom of probe")
Link: https://lore.kernel.org/linux-pci/20240827122422.985547-3-s-vadapalli@ti.com
Tested-by: Udit Kumar <u-kumar1@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
[kwilczynski: commit log]
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: stable@vger.kernel.org

diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
index 20fb50741f3d..5c62e1a3ba52 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -854,11 +854,17 @@ static int dra7xx_pcie_probe(struct platform_device *pdev)
 					"dra7xx-pcie-main", dra7xx);
 	if (ret) {
 		dev_err(dev, "failed to request irq\n");
-		goto err_gpio;
+		goto err_deinit;
 	}
 
 	return 0;
 
+err_deinit:
+	if (dra7xx->mode == DW_PCIE_RC_TYPE)
+		dw_pcie_host_deinit(&dra7xx->pci->pp);
+	else
+		dw_pcie_ep_deinit(&dra7xx->pci->ep);
+
 err_gpio:
 err_get_sync:
 	pm_runtime_put(dev);