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| /freebsd-9.3-release/sys/dev/mii/ | ||
| H A D | mii_physubr.c | diff 225014 Fri Aug 19 17:26:20 MDT 2011 marius r221812 reveals that at least some Broadcom PHYs default to being not only isolated but also powered down after a reset and while they just work fine [sic] when both is the case they don't if they are only deisolate but still powered down. So in order to put PHYs in an overall normal operation mode for the common case, ensure in mii_phy_reset() that they are not powered down after a reset. Unfortunately, this only helps in case of BCM5421, while BCM5709S apparently only work when they remain isolated and powered down after a reset. So don't call mii_phy_reset() in brgphy_reset() and implement the reset locally leaving the problematic bits alone. Effectively this bypasses r221812 for brgphy(4). Thanks to Justin Hibbits for doing a binary search in order to identify the problematic commit. PR: 157405, 158156 Reviewed by: yongari (mii_phy_reset() part) Approved by: re (kib) MFC after: 3 days |
| H A D | brgphy.c | diff 225014 Fri Aug 19 17:26:20 MDT 2011 marius r221812 reveals that at least some Broadcom PHYs default to being not only isolated but also powered down after a reset and while they just work fine [sic] when both is the case they don't if they are only deisolate but still powered down. So in order to put PHYs in an overall normal operation mode for the common case, ensure in mii_phy_reset() that they are not powered down after a reset. Unfortunately, this only helps in case of BCM5421, while BCM5709S apparently only work when they remain isolated and powered down after a reset. So don't call mii_phy_reset() in brgphy_reset() and implement the reset locally leaving the problematic bits alone. Effectively this bypasses r221812 for brgphy(4). Thanks to Justin Hibbits for doing a binary search in order to identify the problematic commit. PR: 157405, 158156 Reviewed by: yongari (mii_phy_reset() part) Approved by: re (kib) MFC after: 3 days |
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