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x-ms-exchange-antispam-messagedata: mlqUPbz0dCeT0r4R/7IcLQMr2K3t24mO6sIJroTAdDOwroHT5QUBW1cVmSc7IP1OezM9hXIyTaHbNtw7aYmiGDdpdyXykaPyKZC/wxHJxsH/mlTPBmX9fuktMa8J2I3e3jmPIGvEK4DbDTBUcc5CgJItlVNnl9I8RywGGASls3rOrPA/23evtqjlN2myhz9ujOMvbQa9HaocBpVymsKszrNcWVeWwH43F4xtGP6/o6RO3rMySx+y7reR9d4SwBey1cbmBbeE7nxJGp+lXUXkzH85LSvsyp7Ki6WplNDs8G0aINcV8Ysv1EQKY7QJzzjl96HzdnlarzellkZUgkLXknKvsYaM42GgoMjcMuI6ySW4/fwOJntu46tmA+gc5upuqL/G0FKMNVYBLu5VqgpmpXennnLaeQJy8XEpG2dr+Py+/m6p32Ct1G16xuji0MWsyb4FcZDcts8r/AH4llwSLj7/9D8T2D9ZFimcMw7R/yU= Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9fad8ebb-8533-45ad-e593-08d7f71afdce X-MS-Exchange-CrossTenant-originalarrivaltime: 13 May 2020 08:52:39.4610 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: MJ7MBqCeYktU/vHaX9u3EuDcGLpcdmfEtSbskoE4wFAr3kRQCQuW7MqIlM0lTo4cze/s0kwkEL979wbmCYG97A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB6461 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 2020/05/13 16:48 Sascha Hauer wrote: > On Wed, May 13, 2020 at 08:38:26AM +0000, Robin Gong wrote: > > On 2020/05/13 Sascha Hauer wrote: > > > This patch is the one bisecting will end up with when somebody uses > > > an older SDMA firmware or the ROM scripts. It should have a better > > > description what happens and what should be done about it. > > Emm..That's true. Timeout will be caught in such case, hence, maybe we = can > fall back it to pio always. >=20 > With my patch applied sdma_load_context() will fail. I don't know how exa= ctly > this hits into the SPI driver, but it won't be a timeout. Thanks for your quick test, assume you use ROM firmware, right?