diff options
| author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-08-07 15:01:33 -0300 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-08-19 22:02:25 +0800 |
| commit | 090727b880ff3c56e333f267cc24ab076f3bc096 (patch) | |
| tree | 7fd640faa032a1e6eae2176467a474ec520af949 /arch | |
| parent | 3bc4d037c6791c5089a04845995410aac4fdb514 (diff) | |
ARM: dts: imx53-qsrb: Fix suspend/resume
The following error is seen after a suspend/resume cycle on a mx53qsb with a
MC34708 PMIC:
root@freescale /$ echo mem > /sys/power/state
[ 32.630592] PM: Syncing filesystems ... done.
[ 32.643924] Freezing user space processes ... (elapsed 0.001 seconds) done.
[ 32.652384] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 32.679156] PM: suspend of devices complete after 13.113 msecs
[ 32.685128] PM: suspend devices took 0.030 seconds
[ 32.696109] PM: late suspend of devices complete after 6.133 msecs
[ 33.313032] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 33.322009] PM: noirq suspend of devices complete after 619.667 msecs
[ 33.328544] Disabling non-boot CPUs ...
[ 33.335031] PM: noirq resume of devices complete after 2.352 msecs
[ 33.842940] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 33.976095] [sched_delayed] sched: RT throttling activated
[ 33.984804] PM: early resume of devices complete after 642.642 msecs
[ 34.352954] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 34.862910] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 34.996595] PM: resume of devices complete after 1005.367 msecs
[ 35.372925] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 35.882911] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 35.955707] PM: resume devices took 1.970 seconds
[ 35.960445] Restarting tasks ... done.
[ 35.993386] fec 63fec000.ethernet eth0: Link is Down
[ 36.392980] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 36.902908] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 36.953036] ata1: SATA link down (SStatus 0 SControl 300)
[ 37.412922] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 37.922906] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 37.993379] fec 63fec000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 38.432938] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 38.942920] mc13xxx 0-0008: Failed to read IRQ status: -110
[ 39.452933] mc13xxx 0-0008: Failed to read IRQ status: -110
(flood of this error message continues forever)
Commit 5169df8be0a432ee ("ARM: dts: i.MX53: add support for MCIMX53-START-R")
missed to configure the IOMUX for the PMIC IRQ pin.
Configure the PMIC IRQ pin so that the suspend/resume sequence behaves cleanly
as expected.
Cc: <stable@vger.kernel.org> # 3.16
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/imx53-qsrb.dts | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx53-qsrb.dts b/arch/arm/boot/dts/imx53-qsrb.dts index f1bbf9a32991..82d623d05915 100644 --- a/arch/arm/boot/dts/imx53-qsrb.dts +++ b/arch/arm/boot/dts/imx53-qsrb.dts @@ -28,6 +28,12 @@ MX53_PAD_CSI0_DAT9__I2C1_SCL 0x400001ec >; }; + + pinctrl_pmic: pmicgrp { + fsl,pins = < + MX53_PAD_CSI0_DAT5__GPIO5_23 0x1e4 /* IRQ */ + >; + }; }; }; @@ -38,6 +44,8 @@ pmic: mc34708@8 { compatible = "fsl,mc34708"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; reg = <0x08>; interrupt-parent = <&gpio5>; interrupts = <23 0x8>; |