From mboxrd@z Thu Jan 1 00:00:00 1970 From: stillcompiling@gmail.com (Joshua Clayton) Date: Thu, 28 May 2015 10:41:39 -0700 Subject: imx6 fsl,fiq-stream-filter In-Reply-To: References: Message-ID: <1808860.4aMo44FlnA@jclayton-pc> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thursday, May 28, 2015 05:04:57 PM Uhl, Joe wrote: > Hello, > Is it possible to disable dma transfers on ssi1 using FIQ instead? In theory, yes, but using a fiq is not a straightforward change on recent kernel versions. Freescale FIQ demo code has not been updated since their 3.0.35 kernel, which was before the majority of the devicetree migration. (and it was a pretty ugly hack, even then). have a look at http://thread.gmane.org/gmane.linux.ports.arm.kernel/333901 To get an idea what might be involved. ... > ---------------------------------------------------------------------------- > ------------------------------------------------ Confidentiality > Requirement: This communication, including any attachment(s), may contain > confidential information and is for the sole use of the intended > recipient(s). If you are not the intended recipient, you are hereby > notified that you have received this communication in error and any > unauthorized review, use, disclosure, dissemination, distribution or > copying of it or its contents is strictly prohibited. If you have received > this communication in error, please notify the sender immediately by > telephone or e-mail and destroy all copies of this communication and any > attachments. > ^ Please be aware that disclaimers like the above are not appropriate for communications on a public mailing list. Some important people have been advised by legal counsel not to respond to you at all when you include such boilerplate. ~Joshua Clayton