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authorMichael Ellerman <mpe@ellerman.id.au>2024-11-26 13:57:10 +1100
committerMadhavan Srinivasan <maddy@linux.ibm.com>2024-11-27 10:41:10 +0530
commitcf89c9434af122f28a3552e6f9cc5158c33ce50a (patch)
treebfa5beb979bdf27927c26c024fa849e51c02432e /tools/perf/util/probe-file.h
parenta74769564eb0a94c41a6224ee81230554c167f71 (diff)
powerpc/prom_init: Fixup missing powermac #size-cells
On some powermacs `escc` nodes are missing `#size-cells` properties, which is deprecated and now triggers a warning at boot since commit 045b14ca5c36 ("of: WARN on deprecated #address-cells/#size-cells handling"). For example: Missing '#size-cells' in /pci@f2000000/mac-io@c/escc@13000 WARNING: CPU: 0 PID: 0 at drivers/of/base.c:133 of_bus_n_size_cells+0x98/0x108 Hardware name: PowerMac3,1 7400 0xc0209 PowerMac ... Call Trace: of_bus_n_size_cells+0x98/0x108 (unreliable) of_bus_default_count_cells+0x40/0x60 __of_get_address+0xc8/0x21c __of_address_to_resource+0x5c/0x228 pmz_init_port+0x5c/0x2ec pmz_probe.isra.0+0x144/0x1e4 pmz_console_init+0x10/0x48 console_init+0xcc/0x138 start_kernel+0x5c4/0x694 As powermacs boot via prom_init it's possible to add the missing properties to the device tree during boot, avoiding the warning. Note that `escc-legacy` nodes are also missing `#size-cells` properties, but they are skipped by the macio driver, so leave them alone. Depends-on: 045b14ca5c36 ("of: WARN on deprecated #address-cells/#size-cells handling") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20241126025710.591683-1-mpe@ellerman.id.au
Diffstat (limited to 'tools/perf/util/probe-file.h')
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