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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: novatechautomation.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CY1PR07MB2700.namprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 238a2e74-3984-43ec-abc6-08da43e7579e X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Jun 2022 15:56:51.2244 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: eb0f6598-d3e5-4ff3-a8b8-fe893d304059 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: AafhQAMfjoRLcXNSgiNbbPDG9WP+mYaVPJELyz+KKPiTxWYJTWIuYLapi3HmHUzKQmEubRr2rKQ7TXfUOBTiSyo/lG5yG1oIKCZPrlcM6S5e4ZEilDIosxc608dIEG1ZsmuCQ9bS9+GDGD3Du8GHxQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR07MB3893 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Summary: OMAP patch causes SPI bus transaction failure on TI CPU=0A= Commit: c859e0d479b3b4f6132fc12637c51e01492f31f6=0A= Kernel version: 5.10.87=0A= =0A= =0A= The detailed description:=0A= =0A= =0A= I know this is a old commit at this point, but we have observed a regressio= n caused by this commit. It causes improper toggle during a SPI transaction= with a microcontroller. The CPU in use is Texas Instruments AM3352BZCZA80.= The microcontroller in use is a PIC based micro. I have logic capture imag= es available to show the signal difference that is causing confusion on the= SPI bus.=0A= =0A= =0A= ..............................................=0A= =0A= Eric Schikschneit=0A= =0A= Embedded Linux Engineer=0A= =0A= NovaTech, LLC=0A= 13555 W. 107th Street=0A= Lenexa, KS 66215=0A= (913) 451-1880 (main)=0A= (913) 742-XXXX (direct)=0A= =0A= Eric.Schikschneit@novatechweb.com=