Messages in this thread Patch in this message | | | From | Nishanth Menon <> | Subject | [PATCH 1/2] regulator: ti-abb: skip optional parameter for ldo-address | Date | Fri, 27 Sep 2013 08:25:13 -0500 |
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On platforms like OMAP4460, LDO override is never used. Even though efuse determines the ABB bias mode to operate at, ABB voltage is preconfigured in internal efuse registers without the need for LDO override for bias voltage. So skip optional parameter if property is not present.
Signed-off-by: Nishanth Menon <nm@ti.com> --- drivers/regulator/ti-abb-regulator.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c index d8e3e12..1e02805 100644 --- a/drivers/regulator/ti-abb-regulator.c +++ b/drivers/regulator/ti-abb-regulator.c @@ -765,6 +765,11 @@ static int ti_abb_probe(struct platform_device *pdev) pname = "ldo-address"; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, pname); + if (!res) { + dev_dbg(dev, "Missing '%s' IO resource\n", pname); + ret = -ENODEV; + goto skip_opt; + } abb->ldo_base = devm_ioremap_resource(dev, res); if (IS_ERR(abb->ldo_base)) { ret = PTR_ERR(abb->ldo_base); -- 1.7.9.5
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