topic Re: bind a gpio interrupt to cpu2 in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407190#M60647 <HTML><HEAD></HEAD><BODY><P>I have done the problem.</P><P>e.g.&nbsp; <SPAN style="color: #e23d39;">gpio1_18</SPAN> interrput to cpu2</P><P>//-------------------------------------------------------</P><P>90 GPIO1 INT7 interrupt request.</P><P>91 GPIO1 INT6 interrupt request.</P><P>92 GPIO1 INT5 interrupt request.</P><P>93 GPIO1 INT4 interrupt request.</P><P>94 GPIO1 INT3 interrupt request.</P><P>95 GPIO1 INT2 interrupt request.</P><P>96 GPIO1 INT1 interrupt request.</P><P>97 GPIO1 INT0 interrupt request.</P><P>98 GPIO1 Combined interrupt indication for GPIO1 signals 0 - 15.</P><P><SPAN style="color: #e23d39;">99 GPIO1 Combined interrupt indication for GPIO1 signals 16 - 31.</SPAN></P><P>100 GPIO2 Combined interrupt indication for GPIO2 signals 0 - 15.</P><P>101 GPIO2 Combined interrupt indication for GPIO2 signals 16 - 31.</P><P>102 GPIO3 Combined interrupt indication for GPIO3 signals 0 - 15.</P><P>103 GPIO3 Combined interrupt indication for GPIO3 signals 16 - 31.</P><P>104 GPIO4 Combined interrupt indication for GPIO4 signals 0 - 15.</P><P>105 GPIO4 Combined interrupt indication for GPIO4 signals 16 - 31.</P><P>106 GPIO5 Combined interrupt indication for GPIO5 signals 0 - 15.</P><P>107 GPIO5 Combined interrupt indication for GPIO5 signals 16 - 31.</P><P>108 GPIO6 Combined interrupt indication for GPIO6 signals 0 - 15.</P><P>109 GPIO6 Combined interrupt indication for GPIO6 signals 16 - 31.</P><P>110 GPIO7 Combined interrupt indication for GPIO7 signals 0 - 15.</P><P>111 GPIO7 Combined interrupt indication for GPIO7 signals 16 - 31.</P><P>//------------------------------------------------------------------</P><P>you should do this:</P><P>echo 4 &gt; /proc/irq/<SPAN style="color: #e23d39;">99</SPAN>/smp_affinity</P></BODY></HTML> Fri, 13 Nov 2015 05:14:24 GMT fangxu 2015-11-13T05:14:24Z bind a gpio interrupt to cpu2 https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407188#M60645 <HTML><HEAD></HEAD><BODY><P>i use imx6q and system built with yocto.</P><P>Now i want to bind a gpio interrput to cpu2.how can i do?</P></BODY></HTML> Thu, 12 Nov 2015 08:00:09 GMT https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407188#M60645 fangxu 2015-11-12T08:00:09Z Re: bind a gpio interrupt to cpu2 https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407189#M60646 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>&nbsp; Please use Linux affinity feature.</P><P>In particular You may look at <A href="https://community.nxp.com/message/303749">i.mx6 Linux CPU IRQ affinity</A> </P><P><BR />Have a great day,<BR />Yuri</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Thu, 12 Nov 2015 08:23:08 GMT https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407189#M60646 Yuri 2015-11-12T08:23:08Z Re: bind a gpio interrupt to cpu2 https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407190#M60647 <HTML><HEAD></HEAD><BODY><P>I have done the problem.</P><P>e.g.&nbsp; <SPAN style="color: #e23d39;">gpio1_18</SPAN> interrput to cpu2</P><P>//-------------------------------------------------------</P><P>90 GPIO1 INT7 interrupt request.</P><P>91 GPIO1 INT6 interrupt request.</P><P>92 GPIO1 INT5 interrupt request.</P><P>93 GPIO1 INT4 interrupt request.</P><P>94 GPIO1 INT3 interrupt request.</P><P>95 GPIO1 INT2 interrupt request.</P><P>96 GPIO1 INT1 interrupt request.</P><P>97 GPIO1 INT0 interrupt request.</P><P>98 GPIO1 Combined interrupt indication for GPIO1 signals 0 - 15.</P><P><SPAN style="color: #e23d39;">99 GPIO1 Combined interrupt indication for GPIO1 signals 16 - 31.</SPAN></P><P>100 GPIO2 Combined interrupt indication for GPIO2 signals 0 - 15.</P><P>101 GPIO2 Combined interrupt indication for GPIO2 signals 16 - 31.</P><P>102 GPIO3 Combined interrupt indication for GPIO3 signals 0 - 15.</P><P>103 GPIO3 Combined interrupt indication for GPIO3 signals 16 - 31.</P><P>104 GPIO4 Combined interrupt indication for GPIO4 signals 0 - 15.</P><P>105 GPIO4 Combined interrupt indication for GPIO4 signals 16 - 31.</P><P>106 GPIO5 Combined interrupt indication for GPIO5 signals 0 - 15.</P><P>107 GPIO5 Combined interrupt indication for GPIO5 signals 16 - 31.</P><P>108 GPIO6 Combined interrupt indication for GPIO6 signals 0 - 15.</P><P>109 GPIO6 Combined interrupt indication for GPIO6 signals 16 - 31.</P><P>110 GPIO7 Combined interrupt indication for GPIO7 signals 0 - 15.</P><P>111 GPIO7 Combined interrupt indication for GPIO7 signals 16 - 31.</P><P>//------------------------------------------------------------------</P><P>you should do this:</P><P>echo 4 &gt; /proc/irq/<SPAN style="color: #e23d39;">99</SPAN>/smp_affinity</P></BODY></HTML> Fri, 13 Nov 2015 05:14:24 GMT https://community.nxp.com/t5/i-MX-Processors/bind-a-gpio-interrupt-to-cpu2/m-p/407190#M60647 fangxu 2015-11-13T05:14:24Z