From mboxrd@z Thu Jan 1 00:00:00 1970 From: timur@codeaurora.org (Timur Tabi) Date: Wed, 8 Feb 2017 08:09:12 -0600 Subject: [PATCH 1/2] tty: pl011: Work around QDF2400 E44 stuck BUSY bit In-Reply-To: <20170208133306.GE15459@leverpostej> References: <20170208005736.18724-1-cov@codeaurora.org> <7151be59-000c-d50b-f8f5-5fef0c053d91@arm.com> <20170208133306.GE15459@leverpostej> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Mark Rutland wrote: >> No, only Kryo and Falkor V1 based SOCs have this problem. Falkor V2 >> will have this fixed. We intend to revert these fixes after Falkor >> V1 SOCs are no longer supported. > > Supported by whom? Qualcomm. > Generally, once something's upstreamed we expect it to remain supported. The V1 SOCs are technically pre-production, but still in wide use and it will be a while before they are all replaced by V2 SOCs. It's only because of the "ugliness" of the erratum and its work-around that we want to git rid of it when we can. Cov is better equipped to answer your other questions. -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation.