gpio: mcp23s08: Eliminates redundant checking.

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>

diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index fe7c0e211f9a85becb51bf64a808033c50203cee..57adbc90fdad8f4dc821fea920f599031e602dad 100644 (file)
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -900,8 +900,6 @@ static int mcp23s08_probe(struct spi_device *spi)
                        if (spi_present_mask & (1 << addr))
                                chips++;
                }
-               if (!chips)
-                       return -ENODEV;
        } else {
                type = spi_get_device_id(spi)->driver_data;
                pdata = dev_get_platdata(&spi->dev);
@@ -940,10 +938,6 @@ static int mcp23s08_probe(struct spi_device *spi)
                if (!(spi_present_mask & (1 << addr)))
                        continue;
                chips--;
-               if (chips < 0) {
-                       dev_err(&spi->dev, "FATAL: invalid negative chip id\n");
-                       goto fail;
-               }
                data->mcp[addr] = &data->chip[chips];
                status = mcp23s08_probe_one(data->mcp[addr], &spi->dev, spi,
                                            0x40 | (addr << 1), type, base,