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D60828.1794698082.diff
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diff --git a/sys/dev/usb/net/if_smsc.c b/sys/dev/usb/net/if_smsc.c
--- a/sys/dev/usb/net/if_smsc.c
+++ b/sys/dev/usb/net/if_smsc.c
@@ -1429,7 +1429,9 @@
(sc->sc_rev_id & SMSC_ID_REV_CHIP_REV_MASK));
/* GPIO/LED setup */
- reg_val = SMSC_LED_GPIO_CFG_SPD_LED | SMSC_LED_GPIO_CFG_LNK_LED |
+ if (smsc_read_reg(sc, SMSC_LED_GPIO_CFG, ®_val) < 0)
+ reg_val = 0;
+ reg_val |= SMSC_LED_GPIO_CFG_SPD_LED | SMSC_LED_GPIO_CFG_LNK_LED |
SMSC_LED_GPIO_CFG_FDX_LED;
smsc_write_reg(sc, SMSC_LED_GPIO_CFG, reg_val);
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D60828.1794698082.diff (534 B)
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D60828: smsc: Use read-modify-write to configure LEDs
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