diff options
Diffstat (limited to 'target/linux/rockchip/patches-5.4/002-net-usb-r8152-add-LED-configuration-from-OF.patch')
| -rw-r--r-- | target/linux/rockchip/patches-5.4/002-net-usb-r8152-add-LED-configuration-from-OF.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/rockchip/patches-5.4/002-net-usb-r8152-add-LED-configuration-from-OF.patch b/target/linux/rockchip/patches-5.4/002-net-usb-r8152-add-LED-configuration-from-OF.patch new file mode 100644 index 0000000000..53b6413cf3 --- /dev/null +++ b/target/linux/rockchip/patches-5.4/002-net-usb-r8152-add-LED-configuration-from-OF.patch @@ -0,0 +1,74 @@ +From 82985725e071f2a5735052f18e109a32aeac3a0b Mon Sep 17 00:00:00 2001 +From: David Bauer <mail@david-bauer.net> +Date: Sun, 26 Jul 2020 02:38:31 +0200 +Subject: [PATCH] net: usb: r8152: add LED configuration from OF + +This adds the ability to configure the LED configuration register using +OF. This way, the correct value for board specific LED configuration can +be determined. + +Signed-off-by: David Bauer <mail@david-bauer.net> +--- + drivers/net/usb/r8152.c | 23 +++++++++++++++++++++++ + 1 file changed, 23 insertions(+) + +--- a/drivers/net/usb/r8152.c ++++ b/drivers/net/usb/r8152.c +@@ -11,6 +11,7 @@ + #include <linux/mii.h> + #include <linux/ethtool.h> + #include <linux/usb.h> ++#include <linux/of.h> + #include <linux/crc32.h> + #include <linux/if_vlan.h> + #include <linux/uaccess.h> +@@ -4363,6 +4364,22 @@ static void rtl_tally_reset(struct r8152 + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RSTTALLY, ocp_data); + } + ++static int r8152_led_configuration(struct r8152 *tp) ++{ ++ u32 led_data; ++ int ret; ++ ++ ret = of_property_read_u32(tp->udev->dev.of_node, "realtek,led-data", ++ &led_data); ++ ++ if (ret) ++ return ret; ++ ++ ocp_write_word(tp, MCU_TYPE_PLA, PLA_LEDSEL, led_data); ++ ++ return 0; ++} ++ + static void r8152b_init(struct r8152 *tp) + { + u32 ocp_data; +@@ -4404,6 +4421,8 @@ static void r8152b_init(struct r8152 *tp + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL); + ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_USB_CTRL, ocp_data); ++ ++ r8152_led_configuration(tp); + } + + static void r8153_init(struct r8152 *tp) +@@ -4533,6 +4552,8 @@ static void r8153_init(struct r8152 *tp) + tp->coalesce = COALESCE_SLOW; + break; + } ++ ++ r8152_led_configuration(tp); + } + + static void r8153b_init(struct r8152 *tp) +@@ -4609,6 +4630,8 @@ static void r8153b_init(struct r8152 *tp + rtl_tally_reset(tp); + + tp->coalesce = 15000; /* 15 us */ ++ ++ r8152_led_configuration(tp); + } + + static int rtl8152_pre_reset(struct usb_interface *intf) |