powerpc: Fix size calculation using resource_size()
BugLink: https://bugs.launchpad.net/bugs/1797563 [ Upstream commit c42d3be0 ] The problem is the the calculation should be "end - start + 1" but the plus one is missing in this calculation. Fixes: 8626816e ("powerpc: add support for MPIC message register API") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Stefan Bader <stefan.bader@canonical.com> Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
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