[PATCH 2/2] r8152: add LED configuration from OF
From: David Bauer <hidden>
Date: 2021-08-14 18:18:05
Also in:
netdev
Subsystem:
networking drivers, the rest, usb networking drivers · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> --- drivers/net/usb/r8152.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index e09b107b5c99..6f92e8bb2f1a 100644
--- 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>
@@ -6791,6 +6792,22 @@ static void rtl_tally_reset(struct r8152 *tp) 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;
@@ -6832,6 +6849,8 @@ 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)
@@ -7988,6 +8007,8 @@ static void r8156_init(struct r8152 *tp) rtl_tally_reset(tp); tp->coalesce = 15000; /* 15 us */ + + r8152_led_configuration(tp); } static void r8156b_init(struct r8152 *tp)
@@ -8117,6 +8138,8 @@ static void r8156b_init(struct r8152 *tp) rtl_tally_reset(tp); tp->coalesce = 15000; /* 15 us */ + + r8152_led_configuration(tp); } static bool rtl_check_vendor_ok(struct usb_interface *intf)
--
2.32.0