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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2019-05-03 11:44:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-03 18:14:29 +0200 |
| commit | fc027f4ce7c718660e046c3269b303bdbe692fda (patch) | |
| tree | 5da366e76071ae7860dbb9a1360d2934b4eedc7a /drivers/hwtracing/intel_th/core.c | |
| parent | 23f667494b4d65d230cf61ad0d0b96c72f3a163c (diff) | |
| download | linux-stable-fc027f4ce7c718660e046c3269b303bdbe692fda.tar.gz linux-stable-fc027f4ce7c718660e046c3269b303bdbe692fda.tar.bz2 linux-stable-fc027f4ce7c718660e046c3269b303bdbe692fda.zip | |
intel_th: Add "rtit" source device
In some versions of Intel TH, the Software Trace Hub (STH) has a second
MMIO BAR dedicated to the input from Intel PT. This calls for a new
subdevice that will be enumerated if the corresponding BAR is present.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 8c221e1ed12d..a0b8b0182daa 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -501,6 +501,24 @@ static const struct intel_th_subdevice { .type = INTEL_TH_SOURCE, }, { + .nres = 2, + .res = { + { + .start = REG_STH_OFFSET, + .end = REG_STH_OFFSET + REG_STH_LENGTH - 1, + .flags = IORESOURCE_MEM, + }, + { + .start = TH_MMIO_RTIT, + .end = 0, + .flags = IORESOURCE_MEM, + }, + }, + .id = -1, + .name = "rtit", + .type = INTEL_TH_SOURCE, + }, + { .nres = 1, .res = { { |