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Mon, 13 Jul 2020 14:55:47 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS32.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 13 Jul 2020 14:55:45 +0800 Message-ID: <1594623300.23885.36.camel@mhfsdcap03> Subject: Re: [v2 PATCH] usb: gadget: bdc: use readl_poll_timeout() to simplify code From: Chunfeng Yun To: Florian Fainelli CC: Felipe Balbi , Greg Kroah-Hartman , Matthias Brugger , YueHaibing , Stephen Boyd , , , , Date: Mon, 13 Jul 2020 14:55:00 +0800 In-Reply-To: References: <1594611017-4535-1-git-send-email-chunfeng.yun@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 X-TM-SNTS-SMTP: 5DE5EC88EF47CDA1AC3C74117593930ACC115D18580B92FF06D31A130EB8FCEE2000:8 X-MTK: N Content-Transfer-Encoding: base64 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org T24gU3VuLCAyMDIwLTA3LTEyIGF0IDIwOjUzIC0wNzAwLCBGbG9yaWFuIEZhaW5lbGxpIHdyb3Rl Og0KPiANCj4gT24gNy8xMi8yMDIwIDg6MzAgUE0sIENodW5mZW5nIFl1biB3cm90ZToNCj4gPiBV c2UgcmVhZGxfcG9sbF90aW1lb3V0KCkgdG8gcG9sbCByZWdpc3RlciBzdGF0dXMNCj4gPiANCj4g PiBDYzogRmxvcmlhbiBGYWluZWxsaSA8Zi5mYWluZWxsaUBnbWFpbC5jb20+DQo+ID4gU2lnbmVk LW9mZi1ieTogQ2h1bmZlbmcgWXVuIDxjaHVuZmVuZy55dW5AbWVkaWF0ZWsuY29tPg0KPiA+IC0t LQ0KPiA+IHYyIGNoYW5nZXMsIHN1Z2dlc3RlZCBieSBTdGVwaGVuOg0KPiA+ICAgMS4gdXNlIHVu c2lnbmVkIGludCBpbnN0ZWFkIG9mIGludCBmb3IgQHVzZWMgcGFyYW1ldGVyDQo+ID4gICAyLiBh ZGQgZGV2X2xvZygpIGJhY2sNCj4gPiAgIDMuIGRyb3AgIkVyciIgaW4gZXJyb3IgbG9nDQo+ID4g LS0tDQo+ID4gIGRyaXZlcnMvdXNiL2dhZGdldC91ZGMvYmRjL2JkY19jb3JlLmMgfCAyNiArKysr KysrKysrKy0tLS0tLS0tLS0tLS0tLQ0KPiA+ICAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9u cygrKSwgMTUgZGVsZXRpb25zKC0pDQo+ID4gDQo+ID4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdXNi L2dhZGdldC91ZGMvYmRjL2JkY19jb3JlLmMgYi9kcml2ZXJzL3VzYi9nYWRnZXQvdWRjL2JkYy9i ZGNfY29yZS5jDQo+ID4gaW5kZXggMDJhM2E3Ny4uNTNkY2NiMSAxMDA2NDQNCj4gPiAtLS0gYS9k cml2ZXJzL3VzYi9nYWRnZXQvdWRjL2JkYy9iZGNfY29yZS5jDQo+ID4gKysrIGIvZHJpdmVycy91 c2IvZ2FkZ2V0L3VkYy9iZGMvYmRjX2NvcmUuYw0KPiA+IEBAIC0xMiw2ICsxMiw3IEBADQo+ID4g ICNpbmNsdWRlIDxsaW51eC9zcGlubG9jay5oPg0KPiA+ICAjaW5jbHVkZSA8bGludXgvcGxhdGZv cm1fZGV2aWNlLmg+DQo+ID4gICNpbmNsdWRlIDxsaW51eC9pbnRlcnJ1cHQuaD4NCj4gPiArI2lu Y2x1ZGUgPGxpbnV4L2lvcG9sbC5oPg0KPiA+ICAjaW5jbHVkZSA8bGludXgvaW9wb3J0Lmg+DQo+ ID4gICNpbmNsdWRlIDxsaW51eC9pby5oPg0KPiA+ICAjaW5jbHVkZSA8bGludXgvbGlzdC5oPg0K PiA+IEBAIC0yOSwyNCArMzAsMTkgQEANCj4gPiAgI2luY2x1ZGUgImJkY19kYmcuaCINCj4gPiAg DQo+ID4gIC8qIFBvbGwgdGlsbCBjb250cm9sbGVyIHN0YXR1cyBpcyBub3QgT0lQICovDQo+ID4g LXN0YXRpYyBpbnQgcG9sbF9vaXAoc3RydWN0IGJkYyAqYmRjLCBpbnQgdXNlYykNCj4gPiArc3Rh dGljIGludCBwb2xsX29pcChzdHJ1Y3QgYmRjICpiZGMsIHUzMiB1c2VjKQ0KPiA+ICB7DQo+ID4g IAl1MzIgc3RhdHVzOw0KPiA+IC0JLyogUG9sbCB0aWxsIFNUUyE9IE9JUCAqLw0KPiA+IC0Jd2hp bGUgKHVzZWMpIHsNCj4gPiAtCQlzdGF0dXMgPSBiZGNfcmVhZGwoYmRjLT5yZWdzLCBCRENfQkRD U0MpOw0KPiA+IC0JCWlmIChCRENfQ1NUUyhzdGF0dXMpICE9IEJEQ19PSVApIHsNCj4gPiAtCQkJ ZGV2X2RiZyhiZGMtPmRldiwNCj4gPiAtCQkJCSJwb2xsX29pcCBjb21wbGV0ZSBzdGF0dXM9JWQi LA0KPiA+IC0JCQkJQkRDX0NTVFMoc3RhdHVzKSk7DQo+ID4gLQkJCXJldHVybiAwOw0KPiA+IC0J CX0NCj4gPiAtCQl1ZGVsYXkoMTApOw0KPiA+IC0JCXVzZWMgLT0gMTA7DQo+ID4gLQl9DQo+ID4g LQlkZXZfZXJyKGJkYy0+ZGV2LCAiRXJyOiBvcGVyYXRpb24gdGltZWRvdXQgQkRDU0M6IDB4JTA4 eFxuIiwgc3RhdHVzKTsNCj4gPiArCWludCByZXQ7DQo+ID4gIA0KPiA+IC0JcmV0dXJuIC1FVElN RURPVVQ7DQo+ID4gKwlyZXQgPSByZWFkbF9wb2xsX3RpbWVvdXQoYmRjLT5yZWdzICsgQkRDX0JE Q1NDLCBzdGF0dXMsDQo+ID4gKwkJKEJEQ19DU1RTKHN0YXR1cykgIT0gQkRDX09JUCksIDEwLCB1 c2VjKTsNCj4gDQo+IFlvdSBjb3VsZCBwcm9iYWJseSBpbmRlbnQgdGhpcyB0byB0aGUgb3Blbmlu ZyBwYXJlbnRoZXNpcywgDQpEb25lLCB2MyBpcyBzZW50IG91dCwgdGhhbmtzDQoNCj4gYnV0IHdp dGggb3INCj4gd2l0aG91dCBpdDoNCj4gDQo+IFJldmlld2VkLWJ5OiBGbG9yaWFuIEZhaW5lbGxp IDxmLmZhaW5lbGxpQGdtYWlsLmNvbT4NCj4gDQo+IGFuZCB0aGFua3MgZm9yIHBpY2tpbmcgdXAg dGhlIE1BSU5UQUlORVJTIGZpbGUgdXBkYXRlIDspDQo+IA0KPiA+ICsJaWYgKHJldCkNCj4gPiAr CQlkZXZfZXJyKGJkYy0+ZGV2LCAib3BlcmF0aW9uIHRpbWVkb3V0IEJEQ1NDOiAweCUwOHhcbiIs IHN0YXR1cyk7DQo+ID4gKwllbHNlDQo+ID4gKwkJZGV2X2RiZyhiZGMtPmRldiwgIiVzIGNvbXBs ZXRlIHN0YXR1cz0lZCIsIF9fZnVuY19fLCBCRENfQ1NUUyhzdGF0dXMpKTsNCj4gPiArDQo+ID4g KwlyZXR1cm4gcmV0Ow0KPiA+ICB9DQo+ID4gIA0KPiA+ICAvKiBTdG9wIHRoZSBCREMgY29udHJv bGxlciAqLw0KPiA+IA0KPiANCg0K