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| author | Andrew Donnellan <andrew.donnellan@au1.ibm.com> | 2016-07-22 17:16:35 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-05-03 14:45:37 +1000 |
| commit | b7da1230532984fc00962b2c8be94acc87655707 (patch) | |
| tree | d4f8575404764758a852ae8b11ec0cf6493c00d9 /arch/powerpc/platforms/52xx | |
| parent | c0b64978f09195e00d6649ca0ad0242a80e6e99a (diff) | |
powerpc/powernv: Document cxl dependency on special case in pnv_eeh_reset()
pnv_eeh_reset() has special handling for PEs whose primary bus is the
root bus or the bus immediately underneath the root port.
The cxl bi-modal card support added in b0b5e5918ad1 ("cxl: Add
cxl_check_and_switch_mode() API to switch bi-modal cards") relies on
this behaviour when hot-resetting the CAPI adapter following a mode
switch. Document this in pnv_eeh_reset() so we don't accidentally break
it.
Suggested-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/platforms/52xx')
0 files changed, 0 insertions, 0 deletions