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As part of a wider cleanup trying to get rid of OF specific APIs, an
incorrect (and partially unrelated) cleanup was introduced.
The goal was to replace a device_for_each_chil_node() loop including an
additional condition inside by a macro doing both the loop and the
check on a single line.
The snippet:
device_for_each_child_node(dev, child)
if (fwnode_property_present(child, "gpio-controller"))
continue;
was replaced by:
for_each_gpiochip_node(dev, child)
which expands into:
device_for_each_child_node(dev, child)
for_each_if(fwnode_property_present(child, "gpio-controller"))
This change is actually doing the opposite of what was initially
expected, breaking the probe of this driver, breaking at the same time
the whole boot of Nuvoton platforms (no more console, the kernel WARN()).
Revert these two changes to roll back to the correct behavior.
Fixes: 693c9ecd8326 ("pinctrl: nuvoton: Reduce use of OF-specific APIs")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/20250613181312.1269794-1-miquel.raynal@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Some drivers are using device property APIs along with OF-specific ones.
At the same time few of the latter can be converted to device property
calls. Reduce use of OF-specific APIs in order to bring a bit more consistency
into the drivers.
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250318105932.2090926-6-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The pin control core header provides struct group_desc.
Utilize it instead of open coded variants in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250318105932.2090926-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Since pin control provides a generic data type and a macro for
the pin function definition, use them in the driver.
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250318105932.2090926-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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'new_map' is allocated using devm_* which takes care of freeing the
allocated data on device removal, call to
.dt_free_map = pinconf_generic_dt_free_map
double frees the map as pinconf_generic_dt_free_map() calls
pinctrl_utils_free_map().
Fix this by using kcalloc() instead of auto-managed devm_kcalloc().
Cc: stable@vger.kernel.org
Fixes: f805e356313b ("pinctrl: nuvoton: Add ma35d1 pinctrl and GPIO driver")
Reported-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Link: https://lore.kernel.org/20241010205237.1245318-1-harshit.m.mogalapalli@oracle.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The fwnode_iomap() function doesn't return error pointers, it returns
NULL. It's the same as of_iomap() in that way. Update the check
accordingly.
Fixes: ecc5bf868673 ("pinctrl: nuvoton: Add ma35d1 pinctrl and GPIO driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/840152f9-d3bb-410e-8164-4c5043e1983e@moroto.mountain
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Add common pinctrl and GPIO driver for Nuvoton MA35 series SoC, and
add support for ma35d1 pinctrl.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Link: https://lore.kernel.org/r/20240521012447.42211-4-ychuang570808@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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