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Commit df6f8c4d72ae ("selftests/pcie_bwctrl: Add 'set_pcie_speed.sh' to
TEST_PROGS") added set_pcie_speed.sh into TEST_PROGS but that script is a
helper that is only being called by set_pcie_cooling_state.sh, not a test
case itself. When set_pcie_speed.sh is in TEST_PROGS, selftest harness will
execute also it leading to bwctrl selftest errors:
# selftests: pcie_bwctrl: set_pcie_speed.sh
# cat: /cur_state: No such file or directory
not ok 2 selftests: pcie_bwctrl: set_pcie_speed.sh # exit=1
Place set_pcie_speed.sh into TEST_FILES instead to have it included into
installed test files but not execute it from the test harness.
Fixes: df6f8c4d72ae ("selftests/pcie_bwctrl: Add 'set_pcie_speed.sh' to TEST_PROGS")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20250417124529.11391-1-ilpo.jarvinen@linux.intel.com
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The test shell script "set_pcie_speed.sh" is not installed in INSTALL_PATH.
Attempting to execute set_pcie_cooling_state.sh shows warning:
./set_pcie_cooling_state.sh: line 119: ./set_pcie_speed.sh: No such file or directory
Add "set_pcie_speed.sh" to TEST_PROGS.
Link: https://lore.kernel.org/r/Z8FfK8rN30lKzvVV@ly-workstation
Fixes: 838f12c3d551 ("selftests/pcie_bwctrl: Create selftests")
Signed-off-by: Yi Lai <yi1.lai@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Create selftests for PCIe BW control through the PCIe cooling device sysfs
interface.
First, the BW control selftest finds the PCIe Port to test with. By
default, the PCIe Port with the highest Link Speed is selected but
another PCIe Port can be provided with -d parameter.
The actual test steps the cur_state of the cooling device one-by-one
from max_state to what the cur_state was initially. The speed change
is confirmed by observing the current_link_speed for the corresponding
PCIe Port.
Link: https://lore.kernel.org/r/20241018144755.7875-10-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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