From mboxrd@z Thu Jan 1 00:00:00 1970 From: pali.rohar@gmail.com (=?UTF-8?q?Pali=20Roh=C3=A1r?=) Date: Mon, 6 Jul 2015 22:26:10 +0200 Subject: [PATCH 2/5] arm: boot: convert ATAG_REVISION to DT "/revision" entry In-Reply-To: <1436214373-12969-1-git-send-email-pali.rohar@gmail.com> References: <1436214373-12969-1-git-send-email-pali.rohar@gmail.com> Message-ID: <1436214373-12969-3-git-send-email-pali.rohar@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org When uncompressing kernel image this patch convert ATAG_REVISION structure into DT "/revision" entry. For legacy bootloaders which do not support DT booting there is no other option how to pass ATAG_REVISION into kernel. Signed-off-by: Pali Roh?r --- arch/arm/boot/compressed/atags_to_fdt.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/compressed/atags_to_fdt.c b/arch/arm/boot/compressed/atags_to_fdt.c index 9448aa0..e7e1cc9 100644 --- a/arch/arm/boot/compressed/atags_to_fdt.c +++ b/arch/arm/boot/compressed/atags_to_fdt.c @@ -171,6 +171,8 @@ int atags_to_fdt(void *atag_list, void *fdt, int total_space) cpu_to_fdt32(atag->u.mem.size); } + } else if (atag->hdr.tag == ATAG_REVISION) { + setprop_cell(fdt, "/", "revision", atag->u.revision.rev); } else if (atag->hdr.tag == ATAG_INITRD2) { uint32_t initrd_start, initrd_size; initrd_start = atag->u.initrd.start; -- 1.7.9.5