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authorTao Xia <xiatao5@huaqin.corp-partner.google.com>2021-07-22 19:54:01 +0800
committerPatrick Georgi <pgeorgi@google.com>2021-07-28 11:40:11 +0000
commit0f93a7b781b220b3bcddf1edabff7c8be52c9aeb (patch)
tree8edf8adf28cbe3aaa1d25595cb6a975dad184d0f /src/mainboard/msi/ms7721/Kconfig
parent4db34f6823f80bc2b0bd5d0b823f4b4e62f6c6ac (diff)
mb/google/dedede/var/sasukette: Set the xHCI LFPS period sampling off time to 0ms
LTE module L850-GL may encounter U3 wakeup race condition with the host. Setting xHCI LFPS periodic sampling off time to 0ms so that the host would not miss the device-initiated U3 wakeup thus avoid the race condition. BUG=b:191426542 BRANCH=dedede TEST=flash the image to the device. Run following command to check the bits[7:4] is 0x0: iotools mmio_read32 "XHCI MMIO BAR + 0x80A4" Signed-off-by: Tao Xia <xiatao5@huaqin.corp-partner.google.com> Change-Id: I3be7adad49f87956a6764ad91fec6e76681b393f Reviewed-on: https://review.coreboot.org/c/coreboot/+/56518 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Chiasheng Lee <chiasheng.lee@intel.com>
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