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Sat, 25 Mar 2023 11:30:28 -0700 (PDT) From: Sergey Organov To: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Cc: Stefan Wahren , Fabio Estevam , Ilpo =?utf-8?Q?J=C3=A4rvinen?= , Stefan Wahren , linux-serial@vger.kernel.org, Greg Kroah-Hartman , Sascha Hauer , NXP Linux Team , Pengutronix Kernel Team , Shawn Guo , Jiri Slaby , Tomasz =?utf-8?Q?Mo=C5=84?= , Linux ARM Subject: Re: Regression: serial: imx: overrun errors on debug UART References: <2c29454b-9369-4360-8eb4-c151f59460cb@i2se.com> <9e22f237-f3ee-0415-9e6b-89a137769b8f@i2se.com> <5d59dec6-9f6f-7b20-1221-f57c94b29cca@i2se.com> <20230325151100.mskydt3hwbnspqp4@pengutronix.de> Date: Sat, 25 Mar 2023 21:30:26 +0300 In-Reply-To: <20230325151100.mskydt3hwbnspqp4@pengutronix.de> ("Uwe =?utf-8?Q?Kleine-K=C3=B6nig=22's?= message of "Sat, 25 Mar 2023 16:11:00 +0100") Message-ID: <87edpc65vh.fsf@osv.gnss.ru> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230325_113032_251932_E997378E X-CRM114-Status: GOOD ( 22.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 SGVsbG8sCgpVd2UgS2xlaW5lLUvDtm5pZyA8dS5rbGVpbmUta29lbmlnQHBlbmd1dHJvbml4LmRl PiB3cml0ZXM6Cj4gSGVsbG8sCj4KPiBPbiBTYXQsIE1hciAyNSwgMjAyMyBhdCAxMjozMTowMVBN ICswMTAwLCBTdGVmYW4gV2FocmVuIHdyb3RlOgpbLi4uXQo+Cj4gU28gdGhlIGN1cnJlbnQgdGhl b3J5IHRoYXQgdGhlIGlzc3VlIG9jY3VycyBiZWNhdXNlIG9mIGEgY29tYmluYXRpb24gb2Y6Cj4K PiAgLSBXaXRoIGEgaGlnaGVyIHdhdGVybWFyayB2YWx1ZSB0aGUgaXJxIHRyaWdnZXJzIGxhdGVy IGFuZCBzbyB0aGVyZSBpcwo+ICAgIGxlc3MgdGltZSB0aGUgdW50aWwgdGhlIElTUiBtdXN0IHJ1 biBiZWZvcmUgYW4gb3ZlcmZsb3cgaGFwcGVuczsgYW5kCj4KPiAgLSBzZXJpYWwgY29uc29sZSBh Y3Rpdml0eSBkaXNhYmxlcyBpcnFzIGZvciBhIChyZWxhdGl2ZSkgbG9uZyB0aW1lCj4KPiByaWdo dD8KPgo+IFNvIG9uIGFuIFVQIHN5c3RlbSB0aGUgcHJvYmxlbSBzaG91bGQgb2NjdXIgYWxzbyBv biBhIG5vbi1jb25zb2xlCj4gcG9ydD8KClRoYXQncyBleGFjdGx5IHdoYXQgSSd2ZSBleHBlcmll bmNlZCwgZXNwZWNpYWxseSB3aGVuIGNvbnNvbGUgYmF1ZApyYXRlIHdhcyBsb3dlciB0aGFuIHRo YXQgb2Ygb3RoZXIgcG9ydChzKS4gSSBoYWQgY29uc29sZSBhdCAxMTUyMDAsCmFuZCBnb3QgaW1t ZWRpYXRlIHByb2JsZW1zIG9uIGFub3RoZXIgcG9ydCB3b3JraW5nIGF0IDQ2MDgwMCB3aGVuZXZl cgpyZWxhdGl2ZWx5IGxlbmd0aHkgcHJpbnRrIG91dHB1dCBoYXMgYmVlbiBlbWl0dGVkIChpbiBt eSBjYXNlIGl0IHdhcwppbmZvIGZyb20gd2xhbiBkcml2ZXIuKQoKPiBMb2NhbCBpcnFzIGFyZSBv bmx5IGRpc2FibGVkIGlmIHNvbWUgcHJpbnRrIGlzIGFib3V0IHRvIGJlIGVtaXR0ZWQsCj4gaXNu J3QgaXQ/CgpZZXAsIGFuZCB0aGlzIGFsbG93cyBmb3IgZWFzeSBjaGVjayBpZiBpdCdzIGluZGVl ZCBwcmludGsgdGhhdCBjYXVzZXMKdGhpcyBieSBlbGltaW5hdGluZyB0aGUgb3V0cHV0IHVzaW5n CgojIGVjaG8gMCA+IC9wcm9jL3N5cy9rZXJuZWwvcHJpbnRrCgo+IERvZXMgdGhpcyBtYXRjaCB0 aGUgZXJyb3IgeW91J3JlIHNlZWluZz8KPgo+IFRoYXQgbWFrZXMgbWUgd29uZGVyIGlmIHRoZSBl cnJvciBkb2Vzbid0IHJlbGF0ZSB0byB0aGUgVUFSVCBiZWluZyBhCj4gY29uc29sZSBwb3J0LCBi dXQgdGhlIFVBUlQgYmVpbmcgdXNlZCB3aXRob3V0IERNQT8hIChTbyB0aGUgcGF0Y2ggYWJvdmUK PiBmaXhlcyB0aGUgcHJvYmxlbSBmb3IgeW91IGJlY2F1c2Ugb24gdGhlIGNvbnNvbGUgcG9ydCBu byBETUEgaXMgdXNlZD8pCgpJbmRlZWQgRE1BIGlzIGxpa2VseSB0byBiZSBhYmxlIHRvIGhpZGUg dGhlIHByb2JsZW0gaWYgdGhlIGNhdXNlIGlzCnByaW50aywgdGhvdWdoIGFsbCBteSByZXN1bHRz IHdlcmUgb2J0YWluZWQgb24gRE1BLWRpc2FibGVkIHBvcnRzLCBhbmQgSQpuZXZlciBjaGVja2Vk IHdpdGggRE1BIGVuYWJsZWQsIHNvIHVuZm9ydHVuYXRlbHkgSSBoYXZlIG5vIHRlc3RlZApjb25m aXJtYXRpb24gb2YgdGhpcyBpZGVhLgoKQmVzdCByZWdhcmRzLAotLSBTZXJnZXkgT3JnYW5vdgoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJt LWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtl cm5lbAo=