Fix bug

[can-eth-gw-linux.git] / Documentation / pinctrl.txt

diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt
index 3b4ee5328868cea31b024ad9631a286886826c60..da40efbef6ec5599406a1e086f7b11aaaa06e018 100644 (file)
--- a/Documentation/pinctrl.txt
+++ b/Documentation/pinctrl.txt
@@ -364,6 +364,9 @@ will get an pin number into its handled number range. Further it is also passed
 the range ID value, so that the pin controller knows which range it should
 deal with.
 
+Calling pinctrl_add_gpio_range from pinctrl driver is DEPRECATED. Please see
+section 2.1 of Documentation/devicetree/bindings/gpio/gpio.txt on how to bind
+pinctrl and gpio drivers.
 
 PINMUX interfaces
 =================
@@ -1193,4 +1196,6 @@ foo_switch()
        ...
 }
 
-The above has to be done from process context.
+The above has to be done from process context. The reservation of the pins
+will be done when the state is activated, so in effect one specific pin
+can be used by different functions at different times on a running system.