From: Rob Herring Date: Wed, 7 May 2014 20:17:26 +0000 (-0500) Subject: of/platform: fix device naming for non-translatable addresses X-Git-Tag: Ubuntu-snapdragon-4.4.0-1029.32~8612^2~21^2~6^2~3 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=b8acee3ef83f0fc50e57a3d4c91234982befda95;p=mirror_ubuntu-zesty-kernel.git of/platform: fix device naming for non-translatable addresses Using non-translatable addresses in platform device names is wrong because they may not be globally unique. Just use the default naming with a global index if the address cannot be translated instead. of_can_translate_address has the same checks as of_translate_address, so we can remove it here as well. Reported-by: "Ivan T. Ivanov" Cc: Josh Cartwright Cc: Courtney Cavin Cc: Bjorn Andersson Cc: Grant Likely Signed-off-by: Rob Herring Tested-by: Ivan T. Ivanov Tested-by: Frank Rowand Reviewed-by: Frank Rowand --- diff --git a/drivers/of/platform.c b/drivers/of/platform.c index bd47fbc53dc9..0602eb5b1be2 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -78,7 +78,6 @@ void of_device_make_bus_id(struct device *dev) struct device_node *node = dev->of_node; const __be32 *reg; u64 addr; - const __be32 *addrp; int magic; #ifdef CONFIG_PPC_DCR @@ -106,15 +105,7 @@ void of_device_make_bus_id(struct device *dev) */ reg = of_get_property(node, "reg", NULL); if (reg) { - if (of_can_translate_address(node)) { - addr = of_translate_address(node, reg); - } else { - addrp = of_get_address(node, 0, NULL, NULL); - if (addrp) - addr = of_read_number(addrp, 1); - else - addr = OF_BAD_ADDR; - } + addr = of_translate_address(node, reg); if (addr != OF_BAD_ADDR) { dev_set_name(dev, "%llx.%s", (unsigned long long)addr, node->name);