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FAILED: patch "[PATCH] spi: zynqmp-gqspi: fix clock imbalance on probe failure" failed to apply to 4.19-stable tree

PATCH [email protected] 1 participant 1 message Oct 4, 2023

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The patch below does not apply to the 4.19-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 <[email protected]>.

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-4.19.y
git checkout FETCH_HEAD
git cherry-pick -x 1527b076ae2cb6a9c590a02725ed39399fcad1cf
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<[email protected]>' --in-reply-to '2023100421-tribute-plausible-7fed@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^..

Possible dependencies:

1527b076ae2c ("spi: zynqmp-gqspi: fix clock imbalance on probe failure") 3ffefa1d9c9e ("spi: zynqmp-gqspi: Convert to platform remove callback returning void") 58eaa7b2d07d ("spi: spi-zynqmp-gqspi: Fix runtime PM imbalance in zynqmp_qspi_probe") 1c26372e5aa9 ("spi: spi-zynqmp-gqspi: Update driver to use spi-mem framework") 91af6eb04a6b ("spi: spi-zynqmp-gqspi: Fix kernel-doc warnings") 4b42b0b49812 ("spi: spi-zynqmp-gqspi: Correct a couple of misspellings in kerneldoc") 4db8180ffe7c ("firmware: xilinx: Remove eemi ops for fpga related APIs") bc86f9c54616 ("firmware: xilinx: Remove eemi ops for aes engine") cbbbda71fe37 ("firmware: xilinx: Remove eemi ops for set_requirement") 07fb1a4619fc ("firmware: xilinx: Remove eemi ops for release_node") bf8b27ed2324 ("firmware: xilinx: Remove eemi ops for request_node") 951d0a97e41c ("firmware: xilinx: Remove eemi ops for set_suspend_mode") 9474da950d1e ("firmware: xilinx: Remove eemi ops for init_finalize") 1b413581fe26 ("firmware: xilinx: Remove eemi ops for reset_get_status") cf23ec353146 ("firmware: xilinx: Remove eemi ops for reset_assert") 426c8d85df7a ("firmware: xilinx: Use APIs instead of IOCTLs") 70c0d36462ca ("firmware: xilinx: Remove eemi ops for clock set/get parent") 7a1e10621a21 ("firmware: xilinx: Remove eemi ops for clock set/get rate") 0667a8d144bc ("firmware: xilinx: Remove eemi ops for clock_getdivider") fc9fb8fb985c ("firmware: xilinx: Remove eemi ops for clock_setdivider")

thanks,

greg k-h

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

From 1527b076ae2cb6a9c590a02725ed39399fcad1cf Mon Sep 17 00:00:00 2001
From: Johan Hovold <[email protected]>
Date: Thu, 22 Jun 2023 10:24:35 +0200
Subject: [PATCH] spi: zynqmp-gqspi: fix clock imbalance on probe failure

Make sure that the device is not runtime suspended before explicitly disabling the clocks on probe failure and on driver unbind to avoid a clock enable-count imbalance.

Fixes 9e3a000362ae ("spi: zynqmp: Add pm runtime support")
Cc Naga Sureshkumar Relli <[email protected]>
Cc Shubhrajyoti Datta <[email protected]>
drivers/spi/spi-zynqmp-gqspi.c +8 -4
index fb2ca9b90eab..c309dedfd602 100644
@@ -1342,9 +1342,9 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
 	return 0;
 
 clk_dis_all:
-	pm_runtime_put_sync(&pdev->dev);
-	pm_runtime_set_suspended(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
 	clk_disable_unprepare(xqspi->refclk);
 clk_dis_pclk:
 	clk_disable_unprepare(xqspi->pclk);
@@ -1368,11 +1368,15 @@ static void zynqmp_qspi_remove(struct platform_device *pdev)
 {
 	struct zynqmp_qspi *xqspi = platform_get_drvdata(pdev);
 
+	pm_runtime_get_sync(&pdev->dev);
+
 	zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, 0x0);
+
+	pm_runtime_disable(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
 	clk_disable_unprepare(xqspi->refclk);
 	clk_disable_unprepare(xqspi->pclk);
-	pm_runtime_set_suspended(&pdev->dev);
-	pm_runtime_disable(&pdev->dev);
 }
 
 MODULE_DEVICE_TABLE(of, zynqmp_qspi_of_match);