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i.MX fixes for 4.13, round 2:

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- Add missing 'ranges' property for i.MX25 device tree TSCADC node, so
    that it's child nodes ADC and TSC device can be probed by kernel.
  - Fix i.MX GPCv2 power domain driver to request regulator after power
    domain initialization, since regulator could defer probing and
    therefore cause power domain initialized twice.
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Merge tag 'imx-fixes-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

Pull "i.MX fixes for 4.13, round 2" from Shawn Guo:

 - Add missing 'ranges' property for i.MX25 device tree TSCADC node, so
   that it's child nodes ADC and TSC device can be probed by kernel.
 - Fix i.MX GPCv2 power domain driver to request regulator after power
   domain initialization, since regulator could defer probing and
   therefore cause power domain initialized twice.

* tag 'imx-fixes-4.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: i.MX25: add ranges to tscadc
  soc: imx: gpcv2: fix regulator deferred probe
This commit is contained in:
Arnd Bergmann 2017-08-15 17:34:52 +02:00
commit 64c2c372db
2 changed files with 9 additions and 7 deletions
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1
arch/arm/boot/dts/imx25.dtsi
View File

@ -297,6 +297,7 @@ tscadc: tscadc@50030000 {
#address-cells = <1>;
#size-cells = <1>;
status = "disabled";
ranges;
adc: adc@50030800 {
compatible = "fsl,imx25-gcq";

15
drivers/soc/imx/gpcv2.c
View File

@ -200,16 +200,11 @@ static int imx7_pgc_domain_probe(struct platform_device *pdev)
domain->dev = &pdev->dev;
ret = pm_genpd_init(&domain->genpd, NULL, true);
if (ret) {
dev_err(domain->dev, "Failed to init power domain\n");
return ret;
}
domain->regulator = devm_regulator_get_optional(domain->dev, "power");
if (IS_ERR(domain->regulator)) {
if (PTR_ERR(domain->regulator) != -ENODEV) {
dev_err(domain->dev, "Failed to get domain's regulator\n");
if (PTR_ERR(domain->regulator) != -EPROBE_DEFER)
dev_err(domain->dev, "Failed to get domain's regulator\n");
return PTR_ERR(domain->regulator);
}
} else {
@ -217,6 +212,12 @@ static int imx7_pgc_domain_probe(struct platform_device *pdev)
domain->voltage, domain->voltage);
}
ret = pm_genpd_init(&domain->genpd, NULL, true);
if (ret) {
dev_err(domain->dev, "Failed to init power domain\n");
return ret;
}
ret = of_genpd_add_provider_simple(domain->dev->of_node,
&domain->genpd);
if (ret) {