Quoting Jack Miller (2016-08-02 06:50:35) > Skiboot will place the flash device tree node at ibm,opal/flash/flash@0 > on P9 and later systems, so Linux needs to search for it there as well > as ibm,opal/flash@0 for backwards compatibility. > > Signed-off-by: Jack Miller <j...@codezen.org> > --- > arch/powerpc/platforms/powernv/opal.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/arch/powerpc/platforms/powernv/opal.c > b/arch/powerpc/platforms/powernv/opal.c > index ae29eaf..2847cb0 100644 > --- a/arch/powerpc/platforms/powernv/opal.c > +++ b/arch/powerpc/platforms/powernv/opal.c > @@ -755,9 +755,14 @@ static int __init opal_init(void) > > /* Initialize platform devices: IPMI backend, PRD & flash interface */ > opal_pdev_init(opal_node, "ibm,opal-ipmi"); > - opal_pdev_init(opal_node, "ibm,opal-flash"); > + opal_pdev_init(opal_node, "ibm,opal-flash"); // old <= P8 flash > location > opal_pdev_init(opal_node, "ibm,opal-prd"); > > + /* New >= P9 flash location */ > + np = of_get_child_by_name(opal_node, "flash"); > + if (np) > + opal_pdev_init(np, "ibm,opal-flash");
We could instead just search for all nodes that are compatible with "ibm,opal-flash". We do that for i2c, see opal_i2c_create_devs(). Is there a particular reason not to do that? cheers _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev