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Wed, 29 Jan 2020 18:52:59 +0800 From: Stanley Chu To: , , , , , CC: , , , , , , , , , , , Stanley Chu Subject: [PATCH RESEND v3 1/4] scsi: ufs-mediatek: ensure UniPro is not powered down before linkup Date: Wed, 29 Jan 2020 18:52:48 +0800 Message-ID: <20200129105251.12466-2-stanley.chu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200129105251.12466-1-stanley.chu@mediatek.com> References: <20200129105251.12466-1-stanley.chu@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org TWVkaWFUZWsgQ2hpcHNldHMgY2FuIGVudGVyIHByb3ByaWV0YXJ5IFVuaVBybyBsb3ctcG93ZXIg bW9kZSBkdXJpbmcNCnN1c3BlbmQgd2hpbGUgbGluayBpcyBpbiBoaWJlcm44IHN0YXRlLiBNYWtl IHN1cmUgbGVhdmluZyBsb3ctcG93ZXINCm1vZGUgYmVmb3JlIGV2ZXJ5IGxpbmsgc3RhcnR1cCB0 byBwcmV2ZW50IGxvY2t1cCBpbiBhbnkgcG9zc2libGUgZXJyb3IgcmVjb3ZlcnkNCnBhdGguDQoN CkluIHRoZSBzYW1lIHRpbWUsIHJlLWZhY3RvciByZWxhdGVkIGZ1bmNpdG9ucyB0byBpbXByb3Zl IGNvZGUgcmVhZGFiaWxpdHkuDQoNClNpZ25lZC1vZmYtYnk6IFN0YW5sZXkgQ2h1IDxzdGFubGV5 LmNodUBtZWRpYXRlay5jb20+DQotLS0NCiBkcml2ZXJzL3Njc2kvdWZzL3Vmcy1tZWRpYXRlay5j IHwgMTkgKysrKysrKysrKy0tLS0tLS0tLQ0KIDEgZmlsZSBjaGFuZ2VkLCAxMCBpbnNlcnRpb25z KCspLCA5IGRlbGV0aW9ucygtKQ0KDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9zY3NpL3Vmcy91ZnMt bWVkaWF0ZWsuYyBiL2RyaXZlcnMvc2NzaS91ZnMvdWZzLW1lZGlhdGVrLmMNCmluZGV4IDUzZWFl NWZlMmFkZS4uN2FjODM4Y2MxNWQxIDEwMDY0NA0KLS0tIGEvZHJpdmVycy9zY3NpL3Vmcy91ZnMt bWVkaWF0ZWsuYw0KKysrIGIvZHJpdmVycy9zY3NpL3Vmcy91ZnMtbWVkaWF0ZWsuYw0KQEAgLTMw LDYgKzMwLDExIEBADQogI2RlZmluZSB1ZnNfbXRrX2RldmljZV9yZXNldF9jdHJsKGhpZ2gsIHJl cykgXA0KIAl1ZnNfbXRrX3NtYyhVRlNfTVRLX1NJUF9ERVZJQ0VfUkVTRVQsIGhpZ2gsIHJlcykN CiANCisjZGVmaW5lIHVmc19tdGtfdW5pcHJvX3Bvd2VyZG93bihoYmEsIHBvd2VyZG93bikgXA0K Kwl1ZnNoY2RfZG1lX3NldChoYmEsIFwNCisJCSAgICAgICBVSUNfQVJHX01JQl9TRUwoVlNfVU5J UFJPUE9XRVJET1dOQ09OVFJPTCwgMCksIFwNCisJCSAgICAgICBwb3dlcmRvd24pDQorDQogc3Rh dGljIHZvaWQgdWZzX210a19jZmdfdW5pcHJvX2NnKHN0cnVjdCB1ZnNfaGJhICpoYmEsIGJvb2wg ZW5hYmxlKQ0KIHsNCiAJdTMyIHRtcDsNCkBAIC0yOTAsNiArMjk1LDggQEAgc3RhdGljIGludCB1 ZnNfbXRrX3ByZV9saW5rKHN0cnVjdCB1ZnNfaGJhICpoYmEpDQogCWludCByZXQ7DQogCXUzMiB0 bXA7DQogDQorCXVmc19tdGtfdW5pcHJvX3Bvd2VyZG93bihoYmEsIDApOw0KKw0KIAkvKiBkaXNh YmxlIGRlZXAgc3RhbGwgKi8NCiAJcmV0ID0gdWZzaGNkX2RtZV9nZXQoaGJhLCBVSUNfQVJHX01J QihWU19TQVZFUE9XRVJDT05UUk9MKSwgJnRtcCk7DQogCWlmIChyZXQpDQpAQCAtMzkwLDkgKzM5 Nyw3IEBAIHN0YXRpYyBpbnQgdWZzX210a19saW5rX3NldF9ocG0oc3RydWN0IHVmc19oYmEgKmhi YSkNCiAJaWYgKGVycikNCiAJCXJldHVybiBlcnI7DQogDQotCWVyciA9IHVmc2hjZF9kbWVfc2V0 KGhiYSwNCi0JCQkgICAgIFVJQ19BUkdfTUlCX1NFTChWU19VTklQUk9QT1dFUkRPV05DT05UUk9M LCAwKSwNCi0JCQkgICAgIDApOw0KKwllcnIgPSB1ZnNfbXRrX3VuaXByb19wb3dlcmRvd24oaGJh LCAwKTsNCiAJaWYgKGVycikNCiAJCXJldHVybiBlcnI7DQogDQpAQCAtNDEzLDE0ICs0MTgsMTAg QEAgc3RhdGljIGludCB1ZnNfbXRrX2xpbmtfc2V0X2xwbShzdHJ1Y3QgdWZzX2hiYSAqaGJhKQ0K IHsNCiAJaW50IGVycjsNCiANCi0JZXJyID0gdWZzaGNkX2RtZV9zZXQoaGJhLA0KLQkJCSAgICAg VUlDX0FSR19NSUJfU0VMKFZTX1VOSVBST1BPV0VSRE9XTkNPTlRST0wsIDApLA0KLQkJCSAgICAg MSk7DQorCWVyciA9IHVmc19tdGtfdW5pcHJvX3Bvd2VyZG93bihoYmEsIDEpOw0KIAlpZiAoZXJy KSB7DQogCQkvKiBSZXN1bWUgVW5pUHJvIHN0YXRlIGZvciBmb2xsb3dpbmcgZXJyb3IgcmVjb3Zl cnkgKi8NCi0JCXVmc2hjZF9kbWVfc2V0KGhiYSwNCi0JCQkgICAgICAgVUlDX0FSR19NSUJfU0VM KFZTX1VOSVBST1BPV0VSRE9XTkNPTlRST0wsIDApLA0KLQkJCSAgICAgICAwKTsNCisJCXVmc19t dGtfdW5pcHJvX3Bvd2VyZG93bihoYmEsIDApOw0KIAkJcmV0dXJuIGVycjsNCiAJfQ0KIA0KLS0g DQoyLjE4LjANCg==