svcrpc: treat uid's as unsigned

[safe/jmp/linux-2.6] / drivers / gpio / mcp23s08.c

diff --git a/drivers/gpio/mcp23s08.c b/drivers/gpio/mcp23s08.c
index 89c1d22..cd651ec 100644 (file)
--- a/drivers/gpio/mcp23s08.c
+++ b/drivers/gpio/mcp23s08.c
@@ -6,12 +6,10 @@
 #include <linux/device.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
-
+#include <linux/gpio.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/mcp23s08.h>
 
-#include <asm/gpio.h>
-
 
 /* Registers are all 8 bits wide.
  *
@@ -310,8 +308,10 @@ static int mcp23s08_probe(struct spi_device *spi)
        unsigned                        base;
 
        pdata = spi->dev.platform_data;
-       if (!pdata || !gpio_is_valid(pdata->base))
-               return -ENODEV;
+       if (!pdata || !gpio_is_valid(pdata->base)) {
+               dev_dbg(&spi->dev, "invalid or missing platform data\n");
+               return -EINVAL;
+       }
 
        for (addr = 0; addr < 4; addr++) {
                if (!pdata->chip[addr].is_present)
@@ -431,3 +431,4 @@ static void __exit mcp23s08_exit(void)
 module_exit(mcp23s08_exit);
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("spi:mcp23s08");