From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gavin Shan Subject: [PATCH v7 17/50] powerpc/powernv: Avoid calculating DMA32 segments on PHB3 Date: Thu, 5 Nov 2015 00:12:17 +1100 Message-ID: <1446642770-4681-18-git-send-email-gwshan@linux.vnet.ibm.com> References: <1446642770-4681-1-git-send-email-gwshan@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1446642770-4681-1-git-send-email-gwshan@linux.vnet.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: linuxppc-dev@lists.ozlabs.org Cc: devicetree@vger.kernel.org, aik@ozlabs.ru, linux-pci@vger.kernel.org, panto@antoniou-consulting.com, Gavin Shan , grant.likely@linaro.org, robherring2@gmail.com, bhelgaas@google.com, frowand.list@gmail.com List-Id: devicetree@vger.kernel.org SW4gcG52X2lvZGFfc2V0dXBfZG1hKCksIGl0J3MgdW5uZWNlc3NhcnkgdG8gY2FsY3VsYXRlIHRo ZSBETUEzMgpzZWdtZW50cyBmb3IgUEVzIG9uIFBIQjMgYXMgdGhlIHdob2xlIGF2YWlsYWJsZSBE TUEzMiBzcGFjZSBjYW4KYmUgYXNzaWduZWQgdG8gb25lIHNwZWNpZmljIFBFIG9uIFBIQjMuCgpU aGlzIHNwbGl0cyBwbnZfaW9kYV9zZXR1cF9kbWEoKSB0byBwbnZfcGNpX2lvZGExX3NldHVwX2Rt YSgpIGFuZApwbnZfcGNpX2lvZGEyX3NldHVwX2RtYSgpIGluIG9yZGVyIHRvIGF2b2lkIGNhbGN1 bGF0aW5nIERNQTMyCnNlZ21lbnRzIGZvciBQRXMgb24gUEhCMy4gTm8gbG9naWNhbCBjaGFuZ2Vz IGludHJvZHVjZWQuCgpTaWduZWQtb2ZmLWJ5OiBHYXZpbiBTaGFuIDxnd3NoYW5AbGludXgudm5l dC5pYm0uY29tPgotLS0KIGFyY2gvcG93ZXJwYy9wbGF0Zm9ybXMvcG93ZXJudi9wY2ktaW9kYS5j IHwgNDEgKysrKysrKysrKysrKysrKysrLS0tLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQsIDI0 IGluc2VydGlvbnMoKyksIDE3IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2FyY2gvcG93ZXJw Yy9wbGF0Zm9ybXMvcG93ZXJudi9wY2ktaW9kYS5jIGIvYXJjaC9wb3dlcnBjL3BsYXRmb3Jtcy9w b3dlcm52L3BjaS1pb2RhLmMKaW5kZXggNWEwOGUyMC4uNGMyZTAyMyAxMDA2NDQKLS0tIGEvYXJj aC9wb3dlcnBjL3BsYXRmb3Jtcy9wb3dlcm52L3BjaS1pb2RhLmMKKysrIGIvYXJjaC9wb3dlcnBj L3BsYXRmb3Jtcy9wb3dlcm52L3BjaS1pb2RhLmMKQEAgLTIzODMsNyArMjM4Myw3IEBAIHN0YXRp YyB2b2lkIHBudl9wY2lfaW9kYTJfc2V0dXBfZG1hX3BlKHN0cnVjdCBwbnZfcGhiICpwaGIsCiAJ CXBudl9pb2RhX3NldHVwX2J1c19kbWEocGUsIHBlLT5wYnVzKTsKIH0KIAotc3RhdGljIHZvaWQg cG52X2lvZGFfc2V0dXBfZG1hKHN0cnVjdCBwbnZfcGhiICpwaGIpCitzdGF0aWMgdm9pZCBwbnZf cGNpX2lvZGExX3NldHVwX2RtYShzdHJ1Y3QgcG52X3BoYiAqcGhiKQogewogCXN0cnVjdCBwY2lf Y29udHJvbGxlciAqaG9zZSA9IHBoYi0+aG9zZTsKIAl1bnNpZ25lZCBpbnQgcmVzaWR1YWwsIHJl bWFpbmluZywgc2VncywgdHcsIGJhc2U7CkBAIC0yNDI4LDI2ICsyNDI4LDMwIEBAIHN0YXRpYyB2 b2lkIHBudl9pb2RhX3NldHVwX2RtYShzdHJ1Y3QgcG52X3BoYiAqcGhiKQogCQkJCXNlZ3MgPSBy ZW1haW5pbmc7CiAJCX0KIAotCQkvKgotCQkgKiBGb3IgSU9EQTIgY29tcGxpYW50IFBIQjMsIHdl IG5lZWRuJ3QgY2FyZSBhYm91dCB0aGUgd2VpZ2h0LgotCQkgKiBUaGUgYWxsIGF2YWlsYWJsZSAz Mi1iaXRzIERNQSBzcGFjZSB3aWxsIGJlIGFzc2lnbmVkIHRvCi0JCSAqIHRoZSBzcGVjaWZpYyBQ RS4KLQkJICovCi0JCWlmIChwaGItPnR5cGUgPT0gUE5WX1BIQl9JT0RBMSkgewotCQkJcGVfaW5m byhwZSwgIkRNQSB3ZWlnaHQgJWQsIGFzc2lnbmVkICVkIERNQTMyIHNlZ21lbnRzXG4iLAotCQkJ CXBlLT5kbWFfd2VpZ2h0LCBzZWdzKTsKLQkJCXBudl9wY2lfaW9kYTFfc2V0dXBfZG1hX3BlKHBo YiwgcGUsIGJhc2UsIHNlZ3MpOwotCQl9IGVsc2UgewotCQkJcGVfaW5mbyhwZSwgIkFzc2lnbiBE TUEzMiBzcGFjZVxuIik7Ci0JCQlzZWdzID0gMDsKLQkJCXBudl9wY2lfaW9kYTJfc2V0dXBfZG1h X3BlKHBoYiwgcGUpOwotCQl9CisJCXBlX2luZm8ocGUsICJETUEgd2VpZ2h0ICVkLCBhc3NpZ25l ZCAlZCBETUEzMiBzZWdtZW50c1xuIiwKKwkJCXBlLT5kbWFfd2VpZ2h0LCBzZWdzKTsKKwkJcG52 X3BjaV9pb2RhMV9zZXR1cF9kbWFfcGUocGhiLCBwZSwgYmFzZSwgc2Vncyk7CiAKIAkJcmVtYWlu aW5nIC09IHNlZ3M7CiAJCWJhc2UgKz0gc2VnczsKIAl9CiB9CiAKK3N0YXRpYyB2b2lkIHBudl9w Y2lfaW9kYTJfc2V0dXBfZG1hKHN0cnVjdCBwbnZfcGhiICpwaGIpCit7CisJc3RydWN0IHBudl9p b2RhX3BlICpwZTsKKworCXBudl9wY2lfaW9kYV9zZXR1cF9vcGFsX3RjZV9raWxsKHBoYik7CisK KwlsaXN0X2Zvcl9lYWNoX2VudHJ5KHBlLCAmcGhiLT5pb2RhLnBlX2RtYV9saXN0LCBkbWFfbGlu aykgeworCQlpZiAoIXBlLT5kbWFfd2VpZ2h0KQorCQkJY29udGludWU7CisKKwkJcGVfaW5mbyhw ZSwgIkFzc2lnbiBETUEzMiBzcGFjZVxuIik7CisJCXBudl9wY2lfaW9kYTJfc2V0dXBfZG1hX3Bl KHBoYiwgcGUpOworCX0KK30KKwogI2lmZGVmIENPTkZJR19QQ0lfTVNJCiBzdGF0aWMgdm9pZCBw bnZfaW9kYTJfbXNpX2VvaShzdHJ1Y3QgaXJxX2RhdGEgKmQpCiB7CkBAIC0yOTMxLDEwICsyOTM1 LDEzIEBAIHN0YXRpYyB2b2lkIHBudl9wY2lfaW9kYV9zZXR1cF9ETUEodm9pZCkKIAlzdHJ1Y3Qg cG52X3BoYiAqcGhiOwogCiAJbGlzdF9mb3JfZWFjaF9lbnRyeV9zYWZlKGhvc2UsIHRtcCwgJmhv c2VfbGlzdCwgbGlzdF9ub2RlKSB7Ci0JCXBudl9pb2RhX3NldHVwX2RtYShob3NlLT5wcml2YXRl X2RhdGEpOworCQlwaGIgPSBob3NlLT5wcml2YXRlX2RhdGE7CisJCWlmIChwaGItPnR5cGUgPT0g UE5WX1BIQl9JT0RBMSkKKwkJCXBudl9wY2lfaW9kYTFfc2V0dXBfZG1hKHBoYik7CisJCWVsc2UK KwkJCXBudl9wY2lfaW9kYTJfc2V0dXBfZG1hKHBoYik7CiAKIAkJLyogTWFyayB0aGUgUEhCIGlu aXRpYWxpemF0aW9uIGRvbmUgKi8KLQkJcGhiID0gaG9zZS0+cHJpdmF0ZV9kYXRhOwogCQlwaGIt PmluaXRpYWxpemVkID0gMTsKIAl9CiB9Ci0tIAoyLjEuMAoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KTGludXhwcGMtZGV2IG1haWxpbmcgbGlzdApMaW51 eHBwYy1kZXZAbGlzdHMub3psYWJzLm9yZwpodHRwczovL2xpc3RzLm96bGFicy5vcmcvbGlzdGlu Zm8vbGludXhwcGMtZGV2