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spi: oc-tiny: Use of_property_read_u32 instead of open-coding it

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Use of_property_read_u32 instead of of_get_property with return value
checks and endianness conversion.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tobias Klauser 2015-09-09 13:55:53 +02:00 committed by Mark Brown
parent 6ff33f3902
commit 45a3e77108
1 changed files with 5 additions and 9 deletions
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14
drivers/spi/spi-oc-tiny.c
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@ -207,8 +207,7 @@ static int tiny_spi_of_probe(struct platform_device *pdev)
struct tiny_spi *hw = platform_get_drvdata(pdev);
struct device_node *np = pdev->dev.of_node;
unsigned int i;
const __be32 *val;
int len;
u32 val;
if (!np)
return 0;
@ -226,13 +225,10 @@ static int tiny_spi_of_probe(struct platform_device *pdev)
return -ENODEV;
}
hw->bitbang.master->dev.of_node = pdev->dev.of_node;
val = of_get_property(pdev->dev.of_node,
"clock-frequency", &len);
if (val && len >= sizeof(__be32))
hw->freq = be32_to_cpup(val);
val = of_get_property(pdev->dev.of_node, "baud-width", &len);
if (val && len >= sizeof(__be32))
hw->baudwidth = be32_to_cpup(val);
if (!of_property_read_u32(np, "clock-frequency", &val))
hw->freq = val;
if (!of_property_read_u32(np, "baud-width", &val))
hw->baudwidth = val;
return 0;
}
#else /* !CONFIG_OF */