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clk: renesas: Switch to fdtdec_get_addr_size_auto_noparent() on Gen2

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The fdtdec_get_addr() does not take into account values set in #address-cells
and #size-cells , but assumes them to be 1 for 32bit systems and 2 for 64bit
systems. This is true for most DTs, however there are exceptions. Switch to
fdtdec_get_addr_size_auto_noparent(), which takes the #address/size-cells
values into consideration, otherwise the reset controller node register
offset is incorrectly parsed.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
This commit is contained in:
Marek Vasut 2020-03-21 16:45:29 +01:00 • committed by marex
parent f455d78a19
commit 061ef41fcf
1 changed files with 2 additions and 1 deletions
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3
drivers/clk/renesas/clk-rcar-gen2.c
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@ -291,7 +291,8 @@ int gen2_clk_probe(struct udevice *dev)
if (ret < 0)
return ret;
rst_base = fdtdec_get_addr(gd->fdt_blob, ret, "reg");
rst_base = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob, ret, "reg",
0, NULL, false);
if (rst_base == FDT_ADDR_T_NONE)
return -EINVAL;