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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/Documentation/driver-api/pinctl.rst
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@@ -274,15 +274,6 @@
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 		.confops = &foo_pconf_ops,
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 	};
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-Since some controllers have special logic for handling entire groups of pins
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-they can exploit the special whole-group pin control function. The
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-pin_config_group_set() callback is allowed to return the error code -EAGAIN,
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-for groups it does not want to handle, or if it just wants to do some
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-group-level handling and then fall through to iterate over all pins, in which
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-case each individual pin will be treated by separate pin_config_set() calls as
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-well.
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-
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-
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 Interaction with the GPIO subsystem
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 ===================================
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@@ -647,8 +638,8 @@
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 	}
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 	static int foo_get_group_pins(struct pinctrl_dev *pctldev, unsigned selector,
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-				unsigned ** const pins,
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-				unsigned * const num_pins)
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+				const unsigned ** pins,
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+				unsigned * num_pins)
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 	{
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 		*pins = (unsigned *) foo_groups[selector].pins;
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 		*num_pins = foo_groups[selector].num_pins;
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@@ -714,7 +705,7 @@
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 	{
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 		u8 regbit = (1 << selector + group);
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-		writeb((readb(MUX)|regbit), MUX)
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+		writeb((readb(MUX)|regbit), MUX);
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 		return 0;
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 	}
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