diff options
author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 14:15:47 +0300 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-08-06 14:15:47 +0300 |
commit | 94fb1afb14c4f0ceb8c5508ddddac6819f662e95 (patch) | |
tree | 4988e5769dc7482caa7f441475ae31f50bbd37ef /drivers/thunderbolt/quirks.c | |
parent | c4735d990268399da9133b0ad445e488ece009ad (diff) | |
parent | 47ec5303d73ea344e84f46660fff693c57641386 (diff) | |
download | linux-94fb1afb14c4f0ceb8c5508ddddac6819f662e95.tar.xz |
Mgerge remote-tracking branch 'torvalds/master' into perf/core
To sync headers, for instance, in this case tools/perf was ahead of
upstream till Linus merged tip/perf/core to get the
PERF_RECORD_TEXT_POKE changes:
Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h'
diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/thunderbolt/quirks.c')
-rw-r--r-- | drivers/thunderbolt/quirks.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/thunderbolt/quirks.c b/drivers/thunderbolt/quirks.c new file mode 100644 index 000000000000..7eac3e0f90a2 --- /dev/null +++ b/drivers/thunderbolt/quirks.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Thunderbolt driver - quirks + * + * Copyright (c) 2020 Mario Limonciello <mario.limonciello@dell.com> + */ + +#include "tb.h" + +static void quirk_force_power_link(struct tb_switch *sw) +{ + sw->quirks |= QUIRK_FORCE_POWER_LINK_CONTROLLER; +} + +struct tb_quirk { + u16 vendor; + u16 device; + void (*hook)(struct tb_switch *sw); +}; + +static const struct tb_quirk tb_quirks[] = { + /* Dell WD19TB supports self-authentication on unplug */ + { 0x00d4, 0xb070, quirk_force_power_link }, +}; + +/** + * tb_check_quirks() - Check for quirks to apply + * @sw: Thunderbolt switch + * + * Apply any quirks for the Thunderbolt controller + */ +void tb_check_quirks(struct tb_switch *sw) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(tb_quirks); i++) { + const struct tb_quirk *q = &tb_quirks[i]; + + if (sw->device == q->device && sw->vendor == q->vendor) + q->hook(sw); + } +} |