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powernv/pci: Allow any write trigger the diag dump 

Make the dump trigger off any input rather than just '1'. This allows you
to write "echo 1> dump_diag_data" and it'll do what you want rather than
erroring out pointlessly.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20190912052945.12589-2-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2019-09-12 15:29:44 +10:00 committed by Michael Ellerman
parent 22ba728907
commit c13a17b73e
1 changed files with 0 additions and 3 deletions
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3
arch/powerpc/platforms/powernv/pci-ioda.c
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@ -3093,9 +3093,6 @@ static int pnv_pci_diag_data_set(void *data, u64 val)
struct pnv_phb *phb = data;
s64 ret;
if (val != 1ULL)
return -EINVAL;
/* Retrieve the diag data from firmware */
ret = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag_data,
phb->diag_data_size);