From owner-freebsd-arm@FreeBSD.ORG Wed Oct 19 15:38:39 2011 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 19DA9106564A; Wed, 19 Oct 2011 15:38:39 +0000 (UTC) (envelope-from c.jayachandran@gmail.com) Received: from mail-wy0-f182.google.com (mail-wy0-f182.google.com [74.125.82.182]) by mx1.freebsd.org (Postfix) with ESMTP id 1D6A98FC19; Wed, 19 Oct 2011 15:38:37 +0000 (UTC) Received: by wyi40 with SMTP id 40so2392191wyi.13 for ; Wed, 19 Oct 2011 08:38:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type; bh=Lll5IMW4teql2DW1qOv+Kj3PtIoA9WrGth3LJu5MIMA=; b=fvLjMen4AW2TQdGGk1bFEA03198b9Q1MO008PrpgqRk5EUrYrRrispOL6dgPsSQf4O yoPY/HbDAEh5u+p9sr3MxmGQ9+CIXTogWw/FQSB9UKtsNq/7jGmvk6Xw3BVKkNWxpCBj upBONGiShZAPhB3+efe4g8wpJdkFzDG5oMNqw= MIME-Version: 1.0 Received: by 10.216.139.224 with SMTP id c74mr2728022wej.11.1319038671103; Wed, 19 Oct 2011 08:37:51 -0700 (PDT) Sender: c.jayachandran@gmail.com Received: by 10.216.188.3 with HTTP; Wed, 19 Oct 2011 08:37:50 -0700 (PDT) Date: Wed, 19 Oct 2011 21:07:50 +0530 X-Google-Sender-Auth: JuUm13nXD6l6jf4yZCy9jAQkdqE Message-ID: From: "Jayachandran C." To: Rafal Jaworowski , Nathan Whitehorn , freebsd-arm@freebsd.org, freebsd-ppc@freebsd.org Content-Type: multipart/mixed; boundary=0016e6d508eb6fa82104afa89f6b Cc: Marcel Moolenaar Subject: [RFC] Fix OF_finddevice return code for FDT X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Oct 2011 15:38:39 -0000 --0016e6d508eb6fa82104afa89f6b Content-Type: text/plain; charset=ISO-8859-1 While reviewing the previous FDT patch, nwhithorn@ noted that the return code of OF_finddevice was not correct in case of FDT. According to the 1275 standard, we should return a phandle value of -1 in case of error, but the ofw_fdt_finddevice implementation now returns 0. The attached patches fixes this in the FDT code, and makes changes in the callers to check the return code correctly. Since most of the callers are in ARM, any testing on ARM would be really appreciated Thanks, JC. --0016e6d508eb6fa82104afa89f6b Content-Type: application/octet-stream; name="fdt-finddevice-fix.patch" Content-Disposition: attachment; filename="fdt-finddevice-fix.patch" Content-Transfer-Encoding: base64 X-Attachment-Id: f_gtygvap00 Y29tbWl0IDgxMDc2ZThhYTRjYmYyM2M4YWQ4OTBlYzg1MTVmNzkxN2JhZTJhYjgKQXV0aG9yOiBK YXlhY2hhbmRyYW4gQyA8amF5YWNoYW5kcmFuY0BuZXRsb2dpY21pY3JvLmNvbT4KRGF0ZTogICBU dWUgT2N0IDE4IDAwOjU3OjQ2IDIwMTEgKzA1MzAKCiAgICBPRl9maW5kZGV2aWNlIHNob3VsZCBy ZXR1cm4gLTEgb24gZXJyb3IKICAgIAogICAgRml4IHRoZSBpbXBsZW1lbnRhdGlvbiwgYW5kIGZp eHVwIHRoZSBjYWxsZXJzLgoKZGlmZiAtLWdpdCBhL3N5cy9kZXYvZmR0L2ZkdF9jb21tb24uYyBi L3N5cy9kZXYvZmR0L2ZkdF9jb21tb24uYwppbmRleCBkMjU3MTViLi44NzAyZGYyIDEwMDY0NAot LS0gYS9zeXMvZGV2L2ZkdC9mZHRfY29tbW9uLmMKKysrIGIvc3lzL2Rldi9mZHQvZmR0X2NvbW1v bi5jCkBAIC03NCwxMyArNzQsMTMgQEAgZmR0X2ltbXJfYWRkcih2bV9vZmZzZXRfdCBpbW1yX3Zh KQogCS8qCiAJICogVHJ5IHRvIGFjY2VzcyB0aGUgU09DIG5vZGUgZGlyZWN0bHkgaS5lLiB0aHJv dWdoIC9hbGlhc2VzLy4KIAkgKi8KLQlpZiAoKG5vZGUgPSBPRl9maW5kZGV2aWNlKCJzb2MiKSkg IT0gMCkKKwlpZiAoKG5vZGUgPSBPRl9maW5kZGV2aWNlKCJzb2MiKSkgIT0gLTEpCiAJCWlmIChm ZHRfaXNfY29tcGF0aWJsZV9zdHJpY3Qobm9kZSwgInNpbXBsZS1idXMiKSkKIAkJCWdvdG8gbW92 ZW9uOwogCS8qCiAJICogRmluZCB0aGUgbm9kZSB0aGUgbG9uZyB3YXkuCiAJICovCi0JaWYgKChu b2RlID0gT0ZfZmluZGRldmljZSgiLyIpKSA9PSAwKQorCWlmICgobm9kZSA9IE9GX2ZpbmRkZXZp Y2UoIi8iKSkgPT0gLTEpCiAJCXJldHVybiAoRU5YSU8pOwogCiAJaWYgKChub2RlID0gZmR0X2Zp bmRfY29tcGF0aWJsZShub2RlLCAic2ltcGxlLWJ1cyIsIDEpKSA9PSAwKQpAQCAtNTc2LDcgKzU3 Niw3IEBAIGZkdF9nZXRfbWVtX3JlZ2lvbnMoc3RydWN0IG1lbV9yZWdpb24gKm1yLCBpbnQgKm1y Y250LCB1aW50MzJfdCAqbWVtc2l6ZSkKIAogCW1heF9zaXplID0gc2l6ZW9mKHJlZyk7CiAJbWVt b3J5ID0gT0ZfZmluZGRldmljZSgiL21lbW9yeSIpOwotCWlmIChtZW1vcnkgPD0gMCkgeworCWlm IChtZW1vcnkgPT0gLTEpIHsKIAkJcnYgPSBFTlhJTzsKIAkJZ290byBvdXQ7CiAJfQpkaWZmIC0t Z2l0IGEvc3lzL2Rldi9mZHQvZmR0YnVzLmMgYi9zeXMvZGV2L2ZkdC9mZHRidXMuYwppbmRleCBl MjgwOGQxLi5kNTI5NmE5IDEwMDY0NAotLS0gYS9zeXMvZGV2L2ZkdC9mZHRidXMuYworKysgYi9z eXMvZGV2L2ZkdC9mZHRidXMuYwpAQCAtMTc3LDcgKzE3Nyw3IEBAIGZkdGJ1c19hdHRhY2goZGV2 aWNlX3QgZGV2KQogCXVfbG9uZyBzdGFydCwgZW5kOwogCWludCBlcnJvcjsKIAotCWlmICgocm9v dCA9IE9GX3BlZXIoMCkpID09IDApCisJaWYgKChyb290ID0gT0ZfZmluZGRldmljZSgiLyIpKSA9 PSAtMSkKIAkJcGFuaWMoImZkdGJ1c19hdHRhY2g6IG5vIHJvb3Qgbm9kZS4iKTsKIAogCXNjID0g ZGV2aWNlX2dldF9zb2Z0YyhkZXYpOwpkaWZmIC0tZ2l0IGEvc3lzL2Rldi9vZncvb2Z3X2ZkdC5j IGIvc3lzL2Rldi9vZncvb2Z3X2ZkdC5jCmluZGV4IDgwNmYxN2MuLjdiM2IwZTkgMTAwNjQ0Ci0t LSBhL3N5cy9kZXYvb2Z3L29md19mZHQuYworKysgYi9zeXMvZGV2L29mdy9vZndfZmR0LmMKQEAg LTM5Miw2ICszOTIsOCBAQCBvZndfZmR0X2ZpbmRkZXZpY2Uob2Z3X3Qgb2Z3LCBjb25zdCBjaGFy ICpkZXZpY2UpCiAJaW50IG9mZnNldDsKIAogCW9mZnNldCA9IGZkdF9wYXRoX29mZnNldChmZHRw LCBkZXZpY2UpOworCWlmIChvZmZzZXQgPCAwKQorCQlyZXR1cm4gKC0xKTsKIAlyZXR1cm4gKGZk dF9vZmZzZXRfcGhhbmRsZShvZmZzZXQpKTsKIH0KIApAQCAtNDIwLDcgKzQyMiw3IEBAIG9md19m ZHRfZml4dXAob2Z3X3Qgb2Z3KQogCXNzaXplX3QgbGVuOwogCWludCBpOwogCi0JaWYgKChyb290 ID0gb2Z3X2ZkdF9maW5kZGV2aWNlKG9mdywgIi8iKSkgPT0gMCkKKwlpZiAoKHJvb3QgPSBvZndf ZmR0X2ZpbmRkZXZpY2Uob2Z3LCAiLyIpKSA9PSAtMSkKIAkJcmV0dXJuIChFTk9ERVYpOwogCiAJ aWYgKChsZW4gPSBvZndfZmR0X2dldHByb3BsZW4ob2Z3LCByb290LCAibW9kZWwiKSkgPD0gMCkK ZGlmZiAtLWdpdCBhL3N5cy9kZXYvb2Z3L29wZW5maXJtLmMgYi9zeXMvZGV2L29mdy9vcGVuZmly bS5jCmluZGV4IGE4Y2I4ZjcuLmY1NDNkY2UgMTAwNjQ0Ci0tLSBhL3N5cy9kZXYvb2Z3L29wZW5m aXJtLmMKKysrIGIvc3lzL2Rldi9vZncvb3BlbmZpcm0uYwpAQCAtMTMxLDcgKzEzMSw3IEBAIE9G X2luaXQodm9pZCAqY29va2llKQogCiAJcnYgPSBPRldfSU5JVChvZndfb2JqLCBjb29raWUpOwog Ci0JaWYgKChjaG9zZW4gPSBPRl9maW5kZGV2aWNlKCIvY2hvc2VuIikpID4gMCkKKwlpZiAoKGNo b3NlbiA9IE9GX2ZpbmRkZXZpY2UoIi9jaG9zZW4iKSkgIT0gLTEpCiAJCWlmIChPRl9nZXRwcm9w KGNob3NlbiwgInN0ZG91dCIsICZzdGRvdXQsIHNpemVvZihzdGRvdXQpKSA9PSAtMSkKIAkJCXN0 ZG91dCA9IC0xOwogCmRpZmYgLS1naXQgYS9zeXMvZGV2L3VhcnQvdWFydF9idXNfZmR0LmMgYi9z eXMvZGV2L3VhcnQvdWFydF9idXNfZmR0LmMKaW5kZXggNDIwOTg2Ni4uOGJiNjJlYSAxMDA2NDQK LS0tIGEvc3lzL2Rldi91YXJ0L3VhcnRfYnVzX2ZkdC5jCisrKyBiL3N5cy9kZXYvdWFydC91YXJ0 X2J1c19mZHQuYwpAQCAtMTU1LDExICsxNTUsMTEgQEAgdWFydF9jcHVfZ2V0ZGV2KGludCBkZXZ0 eXBlLCBzdHJ1Y3QgdWFydF9kZXZpbmZvICpkaSkKIAkvKgogCSAqIFJldHJpZXZlIC9jaG9zZW4v c3Rke2luLG91dH0uCiAJICovCi0JaWYgKChjaG9zZW4gPSBPRl9maW5kZGV2aWNlKCIvY2hvc2Vu IikpID09IDApCisJaWYgKChjaG9zZW4gPSBPRl9maW5kZGV2aWNlKCIvY2hvc2VuIikpID09IC0x KQogCQlyZXR1cm4gKEVOWElPKTsKIAlpZiAoT0ZfZ2V0cHJvcChjaG9zZW4sICJzdGRpbiIsIGJ1 Ziwgc2l6ZW9mKGJ1ZikpIDw9IDApCiAJCXJldHVybiAoRU5YSU8pOwotCWlmICgobm9kZSA9IE9G X2ZpbmRkZXZpY2UoYnVmKSkgPT0gMCkKKwlpZiAoKG5vZGUgPSBPRl9maW5kZGV2aWNlKGJ1Zikp ID09IC0xKQogCQlyZXR1cm4gKEVOWElPKTsKIAlpZiAoT0ZfZ2V0cHJvcChjaG9zZW4sICJzdGRv dXQiLCBidWYsIHNpemVvZihidWYpKSA8PSAwKQogCQlyZXR1cm4gKEVOWElPKTsK --0016e6d508eb6fa82104afa89f6b Content-Type: application/octet-stream; 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