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| /freebsd/share/man/man4/ |
| H A D | rtsx.4 | diff 9d3bc163825415f900d06d62efdf02caaad2d51d Thu Sep 09 19:33:51 CEST 2021 Henri Hennebert <hlh@restart.be> rtsx: Call taskqueue sooner, adjust DELAY(9) calls, add an inversion heuristic
- Some configurations, e.g. HP EliteBook 840 G3, come with a dummy card
in the card slot which is detected as a valid SD card. This added long
timeout at boot time. To alleviate the problem, the default timeout is
reduced to one second during the setup phase. [1]
- Some configurations crash at boot if rtsx(4) is defined in the kernel
config. At boot time, without a card inserted, the driver found that
a card is present and just after that a "spontaneous" interrupt is
generated showing that no card is present. To solve this problem,
DELAY(9) is set to one quarter of a second before checking card presence
during driver attach.
- As advised by adrian, taskqueue and DMA are set up sooner during
the driver attach. A heuristic to try to detect configuration needing
inversion was added.
PR: 255130 [1]
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D30499
|
| /freebsd/sys/dev/rtsx/ |
| H A D | rtsx.c | diff 9d3bc163825415f900d06d62efdf02caaad2d51d Thu Sep 09 19:33:51 CEST 2021 Henri Hennebert <hlh@restart.be> rtsx: Call taskqueue sooner, adjust DELAY(9) calls, add an inversion heuristic
- Some configurations, e.g. HP EliteBook 840 G3, come with a dummy card
in the card slot which is detected as a valid SD card. This added long
timeout at boot time. To alleviate the problem, the default timeout is
reduced to one second during the setup phase. [1]
- Some configurations crash at boot if rtsx(4) is defined in the kernel
config. At boot time, without a card inserted, the driver found that
a card is present and just after that a "spontaneous" interrupt is
generated showing that no card is present. To solve this problem,
DELAY(9) is set to one quarter of a second before checking card presence
during driver attach.
- As advised by adrian, taskqueue and DMA are set up sooner during
the driver attach. A heuristic to try to detect configuration needing
inversion was added.
PR: 255130 [1]
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D30499
|