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a47279154e
Manually rebased patches: bcm27xx: patches-5.4/950-0267-xhci-add-quirk-for-host-controllers-that-don-t-updat.patch bcm53xx: patches-5.4/180-usb-xhci-add-support-for-performing-fake-doorbell.patch layerscape: patches-5.4/802-can-0025-can-flexcan-add-LPSR-mode-support-for-i.MX7D.patch patches-5.4/808-i2c-0002-MLK-10893-i2c-imx-add-irqf_no_suspend.patch patches-5.4/820-usb-0016-MLK-16735-usb-host-add-XHCI_CDNS_HOST-flag.patch Removed since could be reverse-applied by quilt: mediatek: patches-5.4/0700-arm-dts-mt7623-add-missing-pause-for-switchport.patch All modifications made by update_kernel.sh Build system: x86_64 Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711, x86_64 Run-tested: ipq806x/R7800, x86_64 No dmesg regressions, everything functional Signed-off-by: John Audia <graysky@archlinux.us> Tested-by: Curtis Deptuck <curtdept@me.com> [x86_64] Rebase of 802-can-0025-can-flexcan-add-LPSR-mode-support-for-i.MX7D.patch Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
58 lines
1.6 KiB
Diff
58 lines
1.6 KiB
Diff
From b862ceba838786ac81aa6a295ad91a54aff6909d Mon Sep 17 00:00:00 2001
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From: Gao Pan <b54642@freescale.com>
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Date: Tue, 25 Aug 2015 14:00:32 +0800
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Subject: [PATCH] MLK-11403: I2C: imx: restore pin setting for i2c
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restore pin setting for i2c in suspend/resume
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Signed-off-by: Gao Pan <gaopan@freescale.com>
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(Vipul: Fixed merge conflicts)
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Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
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(cherry picked from commit 42b5aa1d72c09015d435459c6a59022255e3ef21)
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---
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drivers/i2c/busses/i2c-imx.c | 19 +++++++++++++++++--
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1 file changed, 17 insertions(+), 2 deletions(-)
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--- a/drivers/i2c/busses/i2c-imx.c
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+++ b/drivers/i2c/busses/i2c-imx.c
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@@ -1229,7 +1229,8 @@ static int __maybe_unused i2c_imx_runtim
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{
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struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
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- clk_disable(i2c_imx->clk);
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+ clk_disable_unprepare(i2c_imx->clk);
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+ pinctrl_pm_select_sleep_state(dev);
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return 0;
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}
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@@ -1239,14 +1240,28 @@ static int __maybe_unused i2c_imx_runtim
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struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
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int ret;
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- ret = clk_enable(i2c_imx->clk);
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+ pinctrl_pm_select_default_state(dev);
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+ ret = clk_prepare_enable(i2c_imx->clk);
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if (ret)
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dev_err(dev, "can't enable I2C clock, ret=%d\n", ret);
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return ret;
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}
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+static int i2c_imx_suspend(struct device *dev)
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+{
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+ pinctrl_pm_select_sleep_state(dev);
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+ return 0;
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+}
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+
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+static int i2c_imx_resume(struct device *dev)
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+{
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+ pinctrl_pm_select_default_state(dev);
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+ return 0;
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+}
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+
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static const struct dev_pm_ops i2c_imx_pm_ops = {
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+ SET_SYSTEM_SLEEP_PM_OPS(i2c_imx_suspend, i2c_imx_resume)
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SET_RUNTIME_PM_OPS(i2c_imx_runtime_suspend,
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i2c_imx_runtime_resume, NULL)
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};
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