From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Chen Subject: [PATCH 5/7] xen/arm: SMMU: Keep registering legacy master in SMMU probe Date: Fri, 30 Jun 2017 11:15:09 +0800 Message-ID: <1498792511-25149-6-git-send-email-Wei.Chen@arm.com> References: <1498792511-25149-1-git-send-email-Wei.Chen@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1498792511-25149-1-git-send-email-Wei.Chen@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: xen-devel@lists.xen.org Cc: sstabellini@kernel.org, wei.chen@arm.com, steve.capper@arm.com, Kaly.Xin@arm.com, julien.grall@arm.com, nd@arm.com List-Id: xen-devel@lists.xenproject.org VGhlIGxlZ2FjeSBJT01NVSBiaW5kaW5ncyBwbGFjZSB0aGUgU01NVSBNYXN0ZXJJRHMgaW4gdGhl IFNNTVUgZGV2aWNlCnRyZWUgbm9kZS4gSW4gY3VycmVudCBjb2RlLCB3ZSByZWdpc3RlciB0aGUg U01NVSBtYXN0ZXJzIHdoaWxlIHByb2JpbmcKU01NVS4gSXQncyBiZXR0ZXIgdG8ga2VlcCByZWdp c3RlcmluZyBsZWdhY3kgbWFzdGVycyBpbiB0aGUgU01NVSBwcm9iaW5nCnByb2dyZXNzLiBJZiB3 ZSBtb3ZlIHJlZ2lzdGVyaW5nIGxlZ2FjeSBTTU1VIG1hc3RlcnMgdG8gYWRkX2RldmljZSBvcgph c3NpZ25fZGV2aWNlLCB3ZSBoYXZlIHRvIGdvIHRocm91Z2ggYWxsIFNNTVVzIHRvIGZpbmQgY29y cmVjdCBTTU1VIGZvcgptYXN0ZXIgZGV2aWNlLiBJdCdzIGluZWZmaWNpZW50IGFuZCBkb2Vzbid0 IGJyaW5nIGFueSBlbmhhbmNlbWVudC4KClNpbWlsYXJseSwgaWYgd2Ugd2FudCB0byByZWdpc3Rl ciBnZW5lcmljIG1hc3RlcnMgaW4gU01NVSBwcm9iaW5nLCB3ZQpoYXZlIHRvIGdvIHRocm91Z2gg d2hvbGUgZGV2aWNlIHRyZWUgdG8gZmluZCBtYXN0ZXIgZGV2aWNlcyBmb3IgYWxsClNNTVVzLiBT byB3ZSBvbmx5IGtlZXAgcmVnaXN0ZXJpbmcgbGVnYWN5IG1hc3RlciBpbiBTTU1VIHByb2Jpbmcu CgpTaWduZWQtb2ZmLWJ5OiBXZWkgQ2hlbiA8V2VpLkNoZW5AYXJtLmNvbT4KLS0tCiB4ZW4vZHJp dmVycy9wYXNzdGhyb3VnaC9hcm0vc21tdS5jIHwgMzEgKysrKysrKysrKysrKysrKysrKy0tLS0t LS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDE5IGluc2VydGlvbnMoKyksIDEyIGRlbGV0aW9ucygt KQoKZGlmZiAtLWdpdCBhL3hlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL2FybS9zbW11LmMgYi94ZW4v ZHJpdmVycy9wYXNzdGhyb3VnaC9hcm0vc21tdS5jCmluZGV4IDQ0MWMyOTYuLjg5NTAyNGMgMTAw NjQ0Ci0tLSBhL3hlbi9kcml2ZXJzL3Bhc3N0aHJvdWdoL2FybS9zbW11LmMKKysrIGIveGVuL2Ry aXZlcnMvcGFzc3Rocm91Z2gvYXJtL3NtbXUuYwpAQCAtMjM3NSwyMSArMjM3NSwyOCBAQCBzdGF0 aWMgaW50IGFybV9zbW11X2RldmljZV9kdF9wcm9iZShzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpw ZGV2KQogCWlmIChlcnIpCiAJCXJldHVybiBlcnI7CiAKLQlpID0gMDsKIAlzbW11LT5tYXN0ZXJz ID0gUkJfUk9PVDsKLQl3aGlsZSAoIW9mX3BhcnNlX3BoYW5kbGVfd2l0aF9hcmdzKGRldi0+b2Zf bm9kZSwgIm1tdS1tYXN0ZXJzIiwKLQkJCQkJICAgIiNzdHJlYW0taWQtY2VsbHMiLCBpLAotCQkJ CQkgICAmbWFzdGVyc3BlYykpIHsKLQkJZXJyID0gcmVnaXN0ZXJfc21tdV9tYXN0ZXIoc21tdSwg ZGV2LCAmbWFzdGVyc3BlYyk7Ci0JCWlmIChlcnIpIHsKLQkJCWRldl9lcnIoZGV2LCAiZmFpbGVk IHRvIGFkZCBtYXN0ZXIgJXNcbiIsCi0JCQkJbWFzdGVyc3BlYy5ucC0+bmFtZSk7Ci0JCQlnb3Rv IG91dF9wdXRfbWFzdGVyczsKLQkJfQorCS8qCisJICogVGhlIFNNTVUgTWFzdGVySURzIGFyZSBs aXN0ZWQgaW4gU01NVSBkZXZpY2UgdHJlZSBub2RlIHdoaWxlIHVzaW5nCisJICogdGhlIGxlZ2Fj eSBJT01NVSBiaW5kaW5zLiBTbyBpbiB0aGUgU01NVSBwcm9iaW5nIHByb2dyZXNzLCB3ZSB3aWxs CisJICogcmVnaXN0ZXIgdGhlIFNNTVUgbWFzdGVyIG9ubHkgZm9yIGxlZ2FjeSBiaW5kaW5ncy4K KwkgKi8KKwlpZiAodXNpbmdfbGVnYWN5X2JpbmRpbmcpIHsKKwkJaSA9IDA7CisJCXdoaWxlICgh b2ZfcGFyc2VfcGhhbmRsZV93aXRoX2FyZ3MoZGV2LT5vZl9ub2RlLCAibW11LW1hc3RlcnMiLAor CQkJCQkJCSIjc3RyZWFtLWlkLWNlbGxzIiwgaSwKKwkJCQkJCQkmbWFzdGVyc3BlYykpIHsKKwkJ CWVyciA9IHJlZ2lzdGVyX3NtbXVfbWFzdGVyKHNtbXUsIGRldiwgJm1hc3RlcnNwZWMpOworCQkJ aWYgKGVycikgeworCQkJCWRldl9lcnIoZGV2LCAiZmFpbGVkIHRvIGFkZCBtYXN0ZXIgJXNcbiIs CisJCQkJCW1hc3RlcnNwZWMubnAtPm5hbWUpOworCQkJCWdvdG8gb3V0X3B1dF9tYXN0ZXJzOwor CQkJfQogCi0JCWkrKzsKKwkJCWkrKzsKKwkJfQorCQlkZXZfbm90aWNlKGRldiwgInJlZ2lzdGVy ZWQgJWQgbGVnYWN5IG1hc3RlciBkZXZpY2VzXG4iLCBpKTsKIAl9Ci0JZGV2X25vdGljZShkZXYs ICJyZWdpc3RlcmVkICVkIG1hc3RlciBkZXZpY2VzXG4iLCBpKTsKIAogCXBhcnNlX2RyaXZlcl9v cHRpb25zKHNtbXUpOwogCi0tIAoyLjcuNAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3Rz Lnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=