Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754087Ab3EPN0s (ORCPT ); Thu, 16 May 2013 09:26:48 -0400 Received: from lgeamrelo02.lge.com ([156.147.1.126]:65116 "EHLO LGEAMRELO02.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753921Ab3EPN0p (ORCPT ); Thu, 16 May 2013 09:26:45 -0400 X-AuditID: 9c93017e-b7c8fae000000f00-25-5194de92842a From: "Jongsung Kim" To: "'Stephen Warren'" Cc: "'Russell King'" , "'Greg Kroah-Hartman'" , , , , , References: <007301ce375e$bcf6d6b0$36e48410$@lge.com> <5191D200.3040604@wwwdotorg.org> <01fd01ce5072$d6b9fcd0$842df670$@lge.com> <5192A692.4010700@wwwdotorg.org> <022d01ce5107$8bc668e0$a3533aa0$@lge.com> <5193164E.6050400@wwwdotorg.org> In-Reply-To: <5193164E.6050400@wwwdotorg.org> Subject: RE: [PATCH] ARM: PL011: add support for extended FIFO-size of PL011-r1p5 Date: Thu, 16 May 2013 22:26:41 +0900 Organization: LG Electronics Message-ID: <02e901ce5239$013b2570$03b17050$@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHInDuhqkp37yHuVjCbmrHEKQdwAwJ2699/Ap2LRfIByYWvJQG2+hs8Ak2PXv+YvCBWwA== Content-Language: ko X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 815 Lines: 22 Stephen Warren : >> All r1p5 have 32-byte FIFO depth and it's not configurable. From the PL011 >> TRM: >> >> r1p4-r1p5 Contains the following differences in functionality: >> * The receive and transmit FIFOs are increased to a depth of 32. >> * The Revision field in the UARTPeriphID2 Register on page 3-24 >> bits [7:4] now reads back as 0x3. > > Well, that certainly isn't true in practice. I think we should revert > this commit until we can determine what the problem is. I asked to the ARM support about this. Waiting for reply.. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/