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| /openbmc/linux/arch/powerpc/platforms/powernv/ |
| H A D | copy-paste.h | 75743649 Mon Jun 04 03:33:38 CDT 2018 Haren Myneni <haren@us.ibm.com> powerpc/powernv: copy/paste - Mask SO bit in CR
NX can set the 3rd bit in CR register for XER[SO] (Summary overflow)
which is not related to paste request. The current paste function
returns failure for a successful request when this bit is set. So mask
this bit and check the proper return status.
Fixes: 2392c8c8c045 ("powerpc/powernv/vas: Define copy/paste interfaces")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
75743649 Mon Jun 04 03:33:38 CDT 2018 Haren Myneni <haren@us.ibm.com> powerpc/powernv: copy/paste - Mask SO bit in CR
NX can set the 3rd bit in CR register for XER[SO] (Summary overflow)
which is not related to paste request. The current paste function
returns failure for a successful request when this bit is set. So mask
this bit and check the proper return status.
Fixes: 2392c8c8c045 ("powerpc/powernv/vas: Define copy/paste interfaces")
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Haren Myneni <haren@us.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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