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gpio: mcp23s08: Eliminates redundant checking.

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Unnecessary checking was added during the merge of the gpio branch.
This patch removes the extra unnecessary checking.

Signed-off-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Michael Welling 2014-06-10 13:46:34 -05:00 committed by Linus Walleij
parent 7171511eae
commit ef8290ac72
1 changed files with 0 additions and 6 deletions
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6
drivers/gpio/gpio-mcp23s08.c
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@ -900,8 +900,6 @@ static int mcp23s08_probe(struct spi_device *spi)
if (spi_present_mask & (1 << addr)) if (spi_present_mask & (1 << addr))
chips++; chips++;
} }
if (!chips)
return -ENODEV;
} else { } else {
type = spi_get_device_id(spi)->driver_data; type = spi_get_device_id(spi)->driver_data;
pdata = dev_get_platdata(&spi->dev); pdata = dev_get_platdata(&spi->dev);
@ -940,10 +938,6 @@ static int mcp23s08_probe(struct spi_device *spi)
if (!(spi_present_mask & (1 << addr))) if (!(spi_present_mask & (1 << addr)))
continue; continue;
chips--; chips--;
if (chips < 0) {
dev_err(&spi->dev, "FATAL: invalid negative chip id\n");
goto fail;
}
data->mcp[addr] = &data->chip[chips]; data->mcp[addr] = &data->chip[chips];
status = mcp23s08_probe_one(data->mcp[addr], &spi->dev, spi, status = mcp23s08_probe_one(data->mcp[addr], &spi->dev, spi,
0x40 | (addr << 1), type, base, 0x40 | (addr << 1), type, base,