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[95.91.252.233]) by smtp.googlemail.com with ESMTPSA id h23sm11571690ejg.37.2020.12.07.02.59.32 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 07 Dec 2020 02:59:33 -0800 (PST) Message-ID: <062aa9e8f37c2e50032241ff8ddc1dcbc8051ba9.camel@gmail.com> Subject: Re: [PATCH] scsi: ufs: Enable WB flush during suspend only if WB is enabled From: Bean Huo To: Stanley Chu , linux-scsi@vger.kernel.org, martin.petersen@oracle.com, avri.altman@wdc.com, alim.akhtar@samsung.com, jejb@linux.ibm.com Date: Mon, 07 Dec 2020 11:59:31 +0100 In-Reply-To: <20201207055006.24471-1-stanley.chu@mediatek.com> References: <20201207055006.24471-1-stanley.chu@mediatek.com> X-Mailer: Evolution 3.28.5-0ubuntu0.18.04.2 Mime-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201207_055936_667867_074717FD X-CRM114-Status: GOOD ( 20.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alice.chao@mediatek.com, bvanassche@acm.org, andy.teng@mediatek.com, cc.chou@mediatek.com, chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com, linux-kernel@vger.kernel.org, jiajie.hao@mediatek.com, cang@codeaurora.org, linux-mediatek@lists.infradead.org, peter.wang@mediatek.com, matthias.bgg@gmail.com, beanhuo@micron.com, chaotian.jing@mediatek.com, linux-arm-kernel@lists.infradead.org, asutoshd@codeaurora.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gTW9uLCAyMDIwLTEyLTA3IGF0IDEzOjUwICswODAwLCBTdGFubGV5IENodSB3cm90ZToKPiBX cml0ZUJvb3RzZXIgZmx1c2ggZHVyaW5nIHN1c3BlbmQgaXMgbm90IG5lY2Vzc2FyeSB0byBiZSBl bmFibGVkIGlmCj4gV3JpdGVCb29zdGVyIGZlYXR1cmUgaXMgZGlzYWJsZWQuIFNpbXBseSBhZGRp bmcgYSBjaGVjayB0byBwcmV2ZW50Cj4gdW5leHBlY3RlZCBwb3dlciBkcmFpbi4KPiAKPiBTaWdu ZWQtb2ZmLWJ5OiBTdGFubGV5IENodSA8c3RhbmxleS5jaHVAbWVkaWF0ZWsuY29tPgo+IC0tLQo+ ICBkcml2ZXJzL3Njc2kvdWZzL3Vmc2hjZC5jIHwgMiArLQo+ICAxIGZpbGUgY2hhbmdlZCwgMSBp bnNlcnRpb24oKyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9zY3Np L3Vmcy91ZnNoY2QuYyBiL2RyaXZlcnMvc2NzaS91ZnMvdWZzaGNkLmMKPiBpbmRleCA0ODc5ZTg3 NTc3ZTEuLjg5ZmE4YjlhYzExZCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL3Njc2kvdWZzL3Vmc2hj ZC5jCj4gKysrIGIvZHJpdmVycy9zY3NpL3Vmcy91ZnNoY2QuYwo+IEBAIC01NDU4LDcgKzU0NTgs NyBAQCBzdGF0aWMgYm9vbCB1ZnNoY2Rfd2JfbmVlZF9mbHVzaChzdHJ1Y3QgdWZzX2hiYQo+ICpo YmEpCj4gICAgICAgICB1MzIgYXZhaWxfYnVmOwo+ICAgICAgICAgdTggaW5kZXg7Cj4gIAo+IC0g ICAgICAgaWYgKCF1ZnNoY2RfaXNfd2JfYWxsb3dlZChoYmEpKQo+ICsgICAgICAgaWYgKCF1ZnNo Y2RfaXNfd2JfYWxsb3dlZChoYmEpIHx8ICFoYmEtPndiX2VuYWJsZWQpCj4gICAgICAgICAgICAg ICAgIHJldHVybiBmYWxzZTsKPiAgICAgICAgIC8qCj4gICAgICAgICAgKiBUaGUgdWZzIGRldmlj ZSBuZWVkcyB0aGUgdmNjIHRvIGJlIE9OIHRvIGZsdXNoLgoKCkhpIFN0YW5sZXkKCkluIHRoZSAz LjEgU3BlYzoKCiJJZiB0aGUgZldyaXRlQm9vc3RlckVuIGZsYWcgaXMgc2V0IHRvIHplcm8sIGRh dGEgd3JpdHRlbiB0byBhbnkKbG9naWNhbCB1bml0IGlzIHdyaXR0ZW4gaW4gbm9ybWFsIHN0b3Jh Z2UuCklmIHRoZSBmV3JpdGVCb29zdGVyRW4gZmxhZyBpcyBzZXQgdG8gb25lIGFuZCB0aGUgZGV2 aWNlIGlzIGNvbmZpZ3VyZWQKaW4g4oCcc2hhcmVkIGJ1ZmZlcuKAnSBtb2RlLCBkYXRhIHdyaXR0 ZW4gdG8gYW55IGxvZ2ljYWwgdW5pdCBpcyB3cml0dGVuIGluCnRoZSBzaGFyZWQgV3JpdGVCb29z dGVyIEJ1ZmZlci4iCgpzbywgSU1PLCBmV3JpdGVCb29zdGVyRW4gaXMgaW5kZXBlbmRhbnQgd2l0 aCBXQiBidWZmZXIgZmx1c2guCgphcyBmb3IgdGhlIGZsdXNoOgoKIlRoZXJlIGFyZSB0d28gbWV0 aG9kcyBmb3IgZmx1c2hpbmcgZGF0YSBmcm9tIHRoZSBXcml0ZUJvb3N0ZXIgQnVmZmVyCnRvIHRo ZSBub3JtYWwgc3RvcmFnZTogb25lIGlzIHVzaW5nIGFuIGV4cGxpY2l0IGZsdXNoIGNvbW1hbmQs IHRoZQpvdGhlciBlbmFibGluZyB0aGUgZmx1c2hpbmcgZHVyaW5nIGxpbmsgaGliZXJuYXRlIHN0 YXRlLiBJZiB0aGUKZldyaXRlQm9vc3RlckJ1ZmZlckZsdXNoRW4gZmxhZyBpcyBzZXQgdG8gb25l LCB0aGUgZGV2aWNlIHNoYWxsIGZsdXNoCnRoZSBkYXRhIHN0b3JlZCBpbiB0aGUgV3JpdGVCb29z dGVyIEJ1ZmZlciB0byB0aGUgbm9ybWFsIHN0b3JhZ2UuIElmCmZXcml0ZUJvb3N0ZXJCdWZmZXJG bHVzaER1cmluZ0hpYmVybmF0ZSBpcyBzZXQgdG8gb25lLCB0aGUgZGV2aWNlCmZsdXNoZXMgdGhl IFdyaXRlQm9vc3RlciBCdWZmZXIgZGF0YSBhdXRvbWF0aWNhbGx5IHdoZW5ldmVyIHRoZSBsaW5r CmVudGVycyB0aGUgaGliZXJuYXRlIChISUJFUk44KSBzdGF0ZS4iCgpJTU8sIGZvciB0aGUgZmx1 c2gsIGl0IGlzIGNvbnRyb2xsZWQgYnkgZldyaXRlQm9vc3RlckJ1ZmZlckZsdXNoRW4gYW5kCmZX cml0ZUJvb3N0ZXJCdWZmZXJGbHVzaER1cmluZ0hpYmVybmF0ZS4KCmhvdyBkbyB5b3UgdW5kZXJz dGFuZCB0aGUgYWJvdmUgdHdvIHBhcmFncmFwaHMgZnJvbSBTcGVjPwoKCnRoYW5rcywKQmVhbgoK CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1h cm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5v cmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0t a2VybmVsCg==