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87 lines
3.2 KiB
Diff
87 lines
3.2 KiB
Diff
From 272641206100e89656038180da12eff4f03d79d1 Mon Sep 17 00:00:00 2001
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From: Dan Haab <dan.haab@luxul.com>
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Date: Tue, 27 Mar 2018 11:24:34 -0600
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Subject: [PATCH] MIPS: BCM47XX: Add Luxul XAP1500/XWR1750 WiFi LEDs
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Some Luxul devices use PCIe connected GPIO LEDs that are not available
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until the PCI subsytem and its drivers load. Using the same array for
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these LEDs would block registering any LEDs until all GPIOs become
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available. This may be undesired behavior as some LEDs should be
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available as early as possible (e.g. system status LED). This patch will
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allow registering available LEDs while deferring these PCIe GPIO
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connected 'extra' LEDs until they become available.
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Signed-off-by: Dan Haab <dan.haab@luxul.com>
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Cc: Ralf Baechle <ralf@linux-mips.org>
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Cc: Hauke Mehrtens <hauke@hauke-m.de>
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Cc: linux-mips@linux-mips.org
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Patchwork: https://patchwork.linux-mips.org/patch/18952/
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Signed-off-by: James Hogan <jhogan@kernel.org>
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---
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arch/mips/bcm47xx/leds.c | 21 +++++++++++++++++++++
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1 file changed, 21 insertions(+)
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--- a/arch/mips/bcm47xx/leds.c
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+++ b/arch/mips/bcm47xx/leds.c
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@@ -408,6 +408,12 @@ bcm47xx_leds_luxul_xap_1500_v1[] __initc
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};
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static const struct gpio_led
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+bcm47xx_leds_luxul_xap1500_v1_extra[] __initconst = {
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+ BCM47XX_GPIO_LED(44, "green", "5ghz", 0, LEDS_GPIO_DEFSTATE_OFF),
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+ BCM47XX_GPIO_LED(76, "green", "2ghz", 0, LEDS_GPIO_DEFSTATE_OFF),
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+};
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+
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+static const struct gpio_led
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bcm47xx_leds_luxul_xbr_4400_v1[] __initconst = {
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BCM47XX_GPIO_LED(12, "green", "usb", 0, LEDS_GPIO_DEFSTATE_OFF),
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BCM47XX_GPIO_LED_TRIGGER(15, "green", "status", 0, "timer"),
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@@ -434,6 +440,11 @@ bcm47xx_leds_luxul_xwr_1750_v1[] __initc
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BCM47XX_GPIO_LED(15, "green", "wps", 0, LEDS_GPIO_DEFSTATE_OFF),
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};
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+static const struct gpio_led
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+bcm47xx_leds_luxul_xwr1750_v1_extra[] __initconst = {
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+ BCM47XX_GPIO_LED(76, "green", "2ghz", 0, LEDS_GPIO_DEFSTATE_OFF),
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+};
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+
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/* Microsoft */
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static const struct gpio_led
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@@ -527,6 +538,12 @@ static struct gpio_led_platform_data bcm
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bcm47xx_leds_pdata.num_leds = ARRAY_SIZE(dev_leds); \
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} while (0)
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+static struct gpio_led_platform_data bcm47xx_leds_pdata_extra __initdata = {};
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+#define bcm47xx_set_pdata_extra(dev_leds) do { \
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+ bcm47xx_leds_pdata_extra.leds = dev_leds; \
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+ bcm47xx_leds_pdata_extra.num_leds = ARRAY_SIZE(dev_leds); \
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+} while (0)
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+
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void __init bcm47xx_leds_register(void)
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{
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enum bcm47xx_board board = bcm47xx_board_get();
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@@ -704,6 +721,7 @@ void __init bcm47xx_leds_register(void)
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break;
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case BCM47XX_BOARD_LUXUL_XAP_1500_V1:
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bcm47xx_set_pdata(bcm47xx_leds_luxul_xap_1500_v1);
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+ bcm47xx_set_pdata_extra(bcm47xx_leds_luxul_xap1500_v1_extra);
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break;
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case BCM47XX_BOARD_LUXUL_XBR_4400_V1:
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bcm47xx_set_pdata(bcm47xx_leds_luxul_xbr_4400_v1);
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@@ -716,6 +734,7 @@ void __init bcm47xx_leds_register(void)
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break;
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case BCM47XX_BOARD_LUXUL_XWR_1750_V1:
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bcm47xx_set_pdata(bcm47xx_leds_luxul_xwr_1750_v1);
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+ bcm47xx_set_pdata_extra(bcm47xx_leds_luxul_xwr1750_v1_extra);
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break;
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case BCM47XX_BOARD_MICROSOFT_MN700:
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@@ -759,4 +778,6 @@ void __init bcm47xx_leds_register(void)
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}
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gpio_led_register_device(-1, &bcm47xx_leds_pdata);
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+ if (bcm47xx_leds_pdata_extra.num_leds)
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+ gpio_led_register_device(0, &bcm47xx_leds_pdata_extra);
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}
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