From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (=?UTF-8?q?Pali=20Roh=C3=A1r?=) Date: Fri, 15 May 2015 21:50:07 +0200 Subject: [PATCH 2/2] arm: boot: store ATAG structure into DT atags field In-Reply-To: <1431719407-18230-1-git-send-email-pali.rohar@gmail.com> References: <1430902142-17035-1-git-send-email-pali.rohar@gmail.com> <1431719407-18230-1-git-send-email-pali.rohar@gmail.com> Message-ID: <1431719407-18230-3-git-send-email-pali.rohar@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch stores existing ATAG structure into DT /atags field and so previous patch exports it for userspace via /proc/atags. Signed-off-by: Pali Roh?r --- arch/arm/boot/compressed/atags_to_fdt.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c index b23748e..4a4a70c 100644 --- a/arch/arm/boot/compressed/atags_to_fdt.c +++ b/arch/arm/boot/compressed/atags_to_fdt.c @@ -145,7 +145,7 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) * address and size for each bank */ uint32_t mem_reg_property[2 * 2 * NR_BANKS]; int memcount = 0; - int ret, memsize; + int ret, memsize, atag_size; /* make sure we've got an aligned pointer */ if ((u32)atag_list & 0x3) @@ -219,6 +219,10 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) } } + /* include the terminating ATAG_NONE */ + atag_size = (char *)atag - (char *)atag_list + sizeof(struct tag_header); + setprop(fdt, "/", "atags", atag_list, atag_size); + if (memcount) { setprop(fdt, "/memory", "reg", mem_reg_property, 4 * memcount * memsize); -- 1.7.9.5