Update to 4.7-rc4
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linux (4.7~rc3-1~exp2) UNRELEASED; urgency=medium
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linux (4.7~rc4-1~exp1) UNRELEASED; urgency=medium
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* New upstream release candidate
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[ Ben Hutchings ]
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* [armel] Disable module signing for all flavours (fixes FTBFS)
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* [armel] Disable module signing for all flavours (fixes FTBFS)
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-- Ben Hutchings <ben@decadent.org.uk> Sun, 19 Jun 2016 19:31:41 +0100
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-- Ben Hutchings <ben@decadent.org.uk> Sun, 19 Jun 2016 19:31:41 +0100
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@ -1,81 +0,0 @@
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From: "Steinar H. Gunderson" <sesse@google.com>
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Date: Tue, 24 May 2016 20:13:15 +0200
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Forwarded: http://mid.gmane.org/E1b6Hj3-0001MI-AS@pannekake.samfundet.no
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Subject: dwc3-exynos: Fix deferred probing storm.
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Bug-Debian: https://bugs.debian.org/823552
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dwc3-exynos has two problems during init if the regulators are slow
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to come up (for instance if the I2C bus driver is not on the initramfs)
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and return probe deferral. First, every time this happens, the driver
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leaks the USB phys created; they need to be deallocated on error.
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Second, since the phy devices are created before the regulators fail,
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this means that there's a new device to re-trigger deferred probing,
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which causes it to essentially go into a busy loop of re-probing the
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device until the regulators come up.
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Move the phy creation to after the regulators have succeeded, and also
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fix cleanup on failure. On my ODROID XU4 system (with Debian's initramfs
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which doesn't contain the I2C driver), this reduces the number of probe
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attempts (for each of the two controllers) from more than 2000 to eight.
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Signed-off-by: Steinar H. Gunderson <sesse@google.com>
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Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
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Reviewed-by: Vivek Gautam <gautam.vivek@samsung.com>
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Fixes: d720f057fda4 ("usb: dwc3: exynos: add nop transceiver support")
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Cc: <stable@vger.kernel.org>
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---
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drivers/usb/dwc3/dwc3-exynos.c | 19 +++++++++++--------
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1 file changed, 11 insertions(+), 8 deletions(-)
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diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
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index dd5cb55..2f1fb7e 100644
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--- a/drivers/usb/dwc3/dwc3-exynos.c
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+++ b/drivers/usb/dwc3/dwc3-exynos.c
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@@ -128,12 +128,6 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
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platform_set_drvdata(pdev, exynos);
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- ret = dwc3_exynos_register_phys(exynos);
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- if (ret) {
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- dev_err(dev, "couldn't register PHYs\n");
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- return ret;
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- }
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-
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exynos->dev = dev;
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exynos->clk = devm_clk_get(dev, "usbdrd30");
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@@ -183,20 +177,29 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
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goto err3;
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}
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+ ret = dwc3_exynos_register_phys(exynos);
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+ if (ret) {
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+ dev_err(dev, "couldn't register PHYs\n");
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+ goto err4;
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+ }
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+
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if (node) {
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ret = of_platform_populate(node, NULL, NULL, dev);
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if (ret) {
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dev_err(dev, "failed to add dwc3 core\n");
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- goto err4;
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+ goto err5;
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}
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} else {
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dev_err(dev, "no device node, failed to add dwc3 core\n");
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ret = -ENODEV;
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- goto err4;
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+ goto err5;
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}
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return 0;
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+err5:
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+ platform_device_unregister(exynos->usb2_phy);
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+ platform_device_unregister(exynos->usb3_phy);
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err4:
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regulator_disable(exynos->vdd10);
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err3:
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@ -44,7 +44,6 @@ debian/snd-pcsp-disable-autoload.patch
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bugfix/x86/viafb-autoload-on-olpc-xo1.5-only.patch
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bugfix/x86/viafb-autoload-on-olpc-xo1.5-only.patch
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# Arch bug fixes
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# Arch bug fixes
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bugfix/arm/dwc3-exynos-fix-deferred-probing-storm.patch
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# Arch features
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# Arch features
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features/mips/MIPS-increase-MAX-PHYSMEM-BITS-on-Loongson-3-only.patch
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features/mips/MIPS-increase-MAX-PHYSMEM-BITS-on-Loongson-3-only.patch
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