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<blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div><div style="font-family: 微软雅黑, Verdana, 'Microsoft Yahei', SimSun, sans-serif; font-size: 14px; line-height: 1.6;"><span style="line-height: 1.6;">I want to control GPIO F1, F2 and F3, but I can't export from sysfs. When I execute <span style="background-color: rgb(214, 214, 214);">echo 333 > export</span>, the following error is reported:</span></div></div></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">root@xxxx:/sys/class/gpio# echo 333 > export </div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 120.060018] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: request() failed for pin 41</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 120.067642] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: pin-41 (1e780000.gpio:333) status -1</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">-sh: echo: write error: Operation not permitted</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">root@xxxx:/sys/class/gpio# echo 334 > export </div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 136.689801] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: request() failed for pin 42</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 136.697423] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: pin-42 (1e780000.gpio:334) status -1</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">-sh: echo: write error: Operation not permitted</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">root@xxxx:/sys/class/gpio# echo 335 > export </div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 140.289975] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: request() failed for pin 43</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">[ 140.297601] aspeed-g4-pinctrl 1e6e2000.syscon:pinctrl: pin-43 (1e780000.gpio:335) status -1</div></font></div></div></div><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div style="background-color: rgb(214, 214, 214);">-sh: echo: write error: Operation not permitted</div></font></div></div></div></blockquote><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div><div><div><font face="微软雅黑, Verdana, Microsoft Yahei, SimSun, sans-serif"><div>Since these gpios are used to control remote switch machines, no other devices occupy these gpios. I wonder if there are any places where gpios need to be set?</div></font></div></div></div></blockquote><div>
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