A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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gpio: Pass GPIO label down to gpiod_request

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Currently all users of fwnode_get_named_gpiod() have no way to
specify a label for the GPIO. So GPIOs listed in debugfs are shown
with label "?". With this change a proper label is used.

Also adjust all users so they can pass a label, properly retrieved
from device tree properties.

Signed-off-by: Alexander Stein <[email protected]>
Cc: Andy Shevchenko <[email protected]>
Acked-by: Jacek Anaszewski <[email protected]>
Acked-by: Bartlomiej Zolnierkiewicz <[email protected]>
Acked-by: Dmitry Torokhov <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Alexander Stein 2017-01-12 17:39:24 +01:00 • committed by Linus Walleij
commit b2987d7438
7 changed files with 33 additions and 20 deletions
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12
drivers/video/fbdev/amba-clcd-nomadik.c
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@ -185,22 +185,26 @@ static void tpg110_init(struct device *dev, struct device_node *np,
dev_info(dev, "TPG110 display init\n");
/* This asserts the GRESTB signal, putting the display into reset */
grestb = devm_get_gpiod_from_child(dev, "grestb", &np->fwnode, GPIOD_OUT_HIGH);
grestb = devm_get_gpiod_from_child(dev, "grestb", &np->fwnode,
GPIOD_OUT_HIGH, "grestb");
if (IS_ERR(grestb)) {
dev_err(dev, "no GRESTB GPIO\n");
return;
}
scen = devm_get_gpiod_from_child(dev, "scen", &np->fwnode, GPIOD_OUT_LOW);
scen = devm_get_gpiod_from_child(dev, "scen", &np->fwnode,
GPIOD_OUT_LOW, "scen");
if (IS_ERR(scen)) {
dev_err(dev, "no SCEN GPIO\n");
return;
}
scl = devm_get_gpiod_from_child(dev, "scl", &np->fwnode, GPIOD_OUT_LOW);
scl = devm_get_gpiod_from_child(dev, "scl", &np->fwnode, GPIOD_OUT_LOW,
"scl");
if (IS_ERR(scl)) {
dev_err(dev, "no SCL GPIO\n");
return;
}
sda = devm_get_gpiod_from_child(dev, "sda", &np->fwnode, GPIOD_OUT_LOW);
sda = devm_get_gpiod_from_child(dev, "sda", &np->fwnode, GPIOD_OUT_LOW,
"sda");
if (IS_ERR(sda)) {
dev_err(dev, "no SDA GPIO\n");
return;