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gpio-pca953x: fix gpio_base

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gpio_base was set to 0 if no system platform data or open firmware
platform data was provided. This led to conflicts, if any other gpiochip
with a gpiobase of 0 was instantiated already. Setting it to -1 will
automatically use the first one available.

Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
Hartmut Knaack 2011-10-11 00:22:45 +02:00 committed by Grant Likely
parent 78a4315872
commit 25fcf2b7f1
1 changed files with 1 additions and 0 deletions
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drivers/gpio/gpio-pca953x.c
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@ -577,6 +577,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
void void
pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert) pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int *invert)
{ {
*gpio_base = -1;
} }
#endif #endif