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48e626ac85
export_imc_mode_and_cmd() function which creates the debugfs interface for imc-mode and imc-command, is invoked when each nest pmu units is registered. When the first nest pmu unit is registered, export_imc_mode_and_cmd() creates 'imc' directory under `/debug/powerpc/`. In the subsequent invocations debugfs_create_dir() function returns, since the directory already exists. The recent commit <c33d442328f55> (debugfs: make error message a bit more verbose), throws a warning if we try to invoke `debugfs_create_dir()` with an already existing directory name. Address this warning by making the debugfs directory registration in the opal_imc_counters_probe() function, i.e invoke export_imc_mode_and_cmd() function from the probe function. Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com> Tested-by: Nageswara R Sastry <nasastry@in.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20191127072035.4283-1-anju@linux.vnet.ibm.com |
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