mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
afd4bf08bc
Manually merged:
layerscape/808-i2c-0011-i2c-imx-support-slave-mode-for-imx-I2C-driver.patch
layerscape/808-i2c-0012-i2c-imx-correct-code-of-errata-A-010650-for-layersca.patch
Remaining modifications made by update_kernel.sh
Build system: x86_64
Build-tested: ipq806x/R7800, ath79/generic, bcm27xx/bcm2711, x86/64 [*],
ramips/mt7621 [*], ath79/tiny [*], ipq40xx [*], octeon [*],
realtek [*]
Run-tested: ipq806x/R7800, ramips/mt7621 [*], octeon [*], realtek [*]
No dmesg regressions, everything functional
Signed-off-by: John Audia <graysky@archlinux.us>
Tested-by: Stijn Segers <foss@volatilesystems.org> [*]
58 lines
1.6 KiB
Diff
58 lines
1.6 KiB
Diff
From b862ceba838786ac81aa6a295ad91a54aff6909d Mon Sep 17 00:00:00 2001
|
|
From: Gao Pan <b54642@freescale.com>
|
|
Date: Tue, 25 Aug 2015 14:00:32 +0800
|
|
Subject: [PATCH] MLK-11403: I2C: imx: restore pin setting for i2c
|
|
|
|
restore pin setting for i2c in suspend/resume
|
|
|
|
Signed-off-by: Gao Pan <gaopan@freescale.com>
|
|
(Vipul: Fixed merge conflicts)
|
|
Signed-off-by: Vipul Kumar <vipul_kumar@mentor.com>
|
|
(cherry picked from commit 42b5aa1d72c09015d435459c6a59022255e3ef21)
|
|
---
|
|
drivers/i2c/busses/i2c-imx.c | 19 +++++++++++++++++--
|
|
1 file changed, 17 insertions(+), 2 deletions(-)
|
|
|
|
--- a/drivers/i2c/busses/i2c-imx.c
|
|
+++ b/drivers/i2c/busses/i2c-imx.c
|
|
@@ -1257,7 +1257,8 @@ static int __maybe_unused i2c_imx_runtim
|
|
{
|
|
struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
|
|
|
|
- clk_disable(i2c_imx->clk);
|
|
+ clk_disable_unprepare(i2c_imx->clk);
|
|
+ pinctrl_pm_select_sleep_state(dev);
|
|
|
|
return 0;
|
|
}
|
|
@@ -1267,14 +1268,28 @@ static int __maybe_unused i2c_imx_runtim
|
|
struct imx_i2c_struct *i2c_imx = dev_get_drvdata(dev);
|
|
int ret;
|
|
|
|
- ret = clk_enable(i2c_imx->clk);
|
|
+ pinctrl_pm_select_default_state(dev);
|
|
+ ret = clk_prepare_enable(i2c_imx->clk);
|
|
if (ret)
|
|
dev_err(dev, "can't enable I2C clock, ret=%d\n", ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
+static int i2c_imx_suspend(struct device *dev)
|
|
+{
|
|
+ pinctrl_pm_select_sleep_state(dev);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
+static int i2c_imx_resume(struct device *dev)
|
|
+{
|
|
+ pinctrl_pm_select_default_state(dev);
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static const struct dev_pm_ops i2c_imx_pm_ops = {
|
|
+ SET_SYSTEM_SLEEP_PM_OPS(i2c_imx_suspend, i2c_imx_resume)
|
|
SET_RUNTIME_PM_OPS(i2c_imx_runtime_suspend,
|
|
i2c_imx_runtime_resume, NULL)
|
|
};
|