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74d00a8c38
* properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin <john@phrozen.org>
54 lines
1.9 KiB
Diff
54 lines
1.9 KiB
Diff
From bff23714bc36a1322d0f14519022df0d1a4b21f3 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Fri, 8 Jul 2016 14:53:38 +0200
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Subject: [PATCH] leds: leds-gpio: Set of_node for created LED devices
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When working with Device Tree we iterate over children of "gpio-leds"
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compatible node and create LED device for each of them. We take care of
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all common DT properties (label, default trigger, state, etc.), however
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some triggers may want to support more of them.
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It could be useful for timer trigger to support setting delay on/off
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values with Device Tree property. Or for transient trigger to support
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e.g. duration property.
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We obviously should handle such properties in triggers, not in generic
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code. To let trigger drivers read properties from DT node we need to set
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of_node to point the relevant node. This change allows using all kind of
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of helpers in e.g. "activate" callbacks.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
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---
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drivers/leds/leds-gpio.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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--- a/drivers/leds/leds-gpio.c
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+++ b/drivers/leds/leds-gpio.c
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@@ -182,6 +182,7 @@ static struct gpio_leds_priv *gpio_leds_
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return ERR_PTR(-ENOMEM);
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device_for_each_child_node(dev, child) {
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+ struct gpio_led_data *led_dat = &priv->leds[priv->num_leds];
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struct gpio_led led = {};
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const char *state = NULL;
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@@ -220,12 +221,12 @@ static struct gpio_leds_priv *gpio_leds_
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if (fwnode_property_present(child, "retain-state-suspended"))
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led.retain_state_suspended = 1;
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- ret = create_gpio_led(&led, &priv->leds[priv->num_leds],
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- dev, NULL);
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+ ret = create_gpio_led(&led, led_dat, dev, NULL);
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if (ret < 0) {
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fwnode_handle_put(child);
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goto err;
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}
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+ led_dat->cdev.dev->of_node = np;
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priv->num_leds++;
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}
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