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* [Patch 1/2] gpio-pca953x: fix gpio_base and add verbosity
@ 2011-10-10 22:22 Hartmut Knaack
  2011-10-13 19:46 ` Grant Likely
  0 siblings, 1 reply; 3+ messages in thread
From: Hartmut Knaack @ 2011-10-10 22:22 UTC (permalink / raw)
  To: Grant Likely; +Cc: linux-kernel

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>
-------------------------------------------------------------
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index c43b8ff..ae479fd 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c
@@ -577,6 +577,7 @@ pca953x_get_alt_pdata(struct i2c_client *client, int
*gpio_base, int *invert)
 void
 pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, int
*invert)
 {
+  *gpio_base = -1;
 }
 #endif
 


^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2011-10-13 19:53 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2011-10-10 22:22 [Patch 1/2] gpio-pca953x: fix gpio_base and add verbosity Hartmut Knaack
2011-10-13 19:46 ` Grant Likely
2011-10-13 19:52   ` Grant Likely

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