75 lines
1.9 KiB
Diff
75 lines
1.9 KiB
Diff
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From 82985725e071f2a5735052f18e109a32aeac3a0b Mon Sep 17 00:00:00 2001
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From: David Bauer <mail@david-bauer.net>
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Date: Sun, 26 Jul 2020 02:38:31 +0200
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Subject: [PATCH] net: usb: r8152: add LED configuration from OF
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This adds the ability to configure the LED configuration register using
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OF. This way, the correct value for board specific LED configuration can
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be determined.
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Signed-off-by: David Bauer <mail@david-bauer.net>
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---
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drivers/net/usb/r8152.c | 23 +++++++++++++++++++++++
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1 file changed, 23 insertions(+)
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--- a/drivers/net/usb/r8152.c
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+++ b/drivers/net/usb/r8152.c
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@@ -11,6 +11,7 @@
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/usb.h>
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+#include <linux/of.h>
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#include <linux/crc32.h>
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#include <linux/if_vlan.h>
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#include <linux/uaccess.h>
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@@ -6864,6 +6865,22 @@ static void rtl_tally_reset(struct r8152
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ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data);
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}
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+static int r8152_led_configuration(struct r8152 *tp)
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+{
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+ u32 led_data;
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+ int ret;
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+
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+ ret = of_property_read_u32(tp->udev->dev.of_node, "realtek,led-data",
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+ &led_data);
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+
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+ if (ret)
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+ return ret;
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+
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+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_LEDSEL, led_data);
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+
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+ return 0;
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+}
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+
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static void r8152b_init(struct r8152 *tp)
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{
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u32 ocp_data;
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@@ -6905,6 +6922,8 @@ static void r8152b_init(struct r8152 *tp
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ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
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ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
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ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data);
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+
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+ r8152_led_configuration(tp);
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}
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static void r8153_init(struct r8152 *tp)
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@@ -7045,6 +7064,8 @@ static void r8153_init(struct r8152 *tp)
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tp->coalesce = COALESCE_SLOW;
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break;
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}
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+
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+ r8152_led_configuration(tp);
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}
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static void r8153b_init(struct r8152 *tp)
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@@ -7127,6 +7148,8 @@ static void r8153b_init(struct r8152 *tp
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rtl_tally_reset(tp);
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tp->coalesce = 15000; /* 15 us */
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+
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+ r8152_led_configuration(tp);
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}
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static void r8153c_init(struct r8152 *tp)
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