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<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph">Best Regards,<o:p></o:p></p>
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<p class="MsoNormal" style="text-align:justify;text-justify:inter-ideograph">Zhenhua<o:p></o:p></p>
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<p class="MsoNormal"><b>From:</b> meta-freescale-bounces@yoctoproject.org <meta-freescale-bounces@yoctoproject.org>
<b>On Behalf Of </b>Tim Hammer<br>
<b>Sent:</b> Monday, September 10, 2018 11:41 AM<br>
<b>To:</b> meta-freescale@yoctoproject.org<br>
<b>Subject:</b> [meta-freescale] LS1012A USB 2.0<o:p></o:p></p>
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<p class="MsoNormal">On a board design based on the LS1012A Freedom board, we added a USB 2.0 connection (in addition to the USB 3.0 included on the Freedom board).<o:p></o:p></p>
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<p class="MsoNormal">I have run into a challenge building the Linux kernel driver to support the ULPI connection.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">With </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">CONFIG_USB_EHCI_FSL</span><span style="color:#1F497D"> defined, the
code will not build because </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">CONFIG_PM </span><span style="color:#1F497D">is defined and causes </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">drivers/usb/host/ehci-fsl.c</span><span style="font-size:10.0pt;color:black"> </span><span style="color:#1F497D">to
try and pull in </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">asm/fsl_pm.h</span><span style="color:#1F497D"> which is not provided for qoriq (only for powerpc!).</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Courier New";color:black">CONFIG_PM</span><span style="color:#1F497D"> is:</span><o:p></o:p></p>
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<span style="font-family:Symbol;color:#1F497D">·</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:#1F497D"> </span><span style="color:#1F497D">not in arch/arm64/configs/defconfig (which I am pretty sure is used as the “baseâ€
for </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">make defconfig</span><span style="color:#1F497D"> in </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">meta-freescale/recipes-kernel/linux/<a href="https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flinux-qoriq_4.14.bb%2F&data=02%7C01%7Czhenhua.luo%40nxp.com%7C979924ffd21d46edc99508d616cf45d8%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636721476826179512&sdata=bqnBBZuT1J9PnL7kN7hXQn8ofjVeaQZP1Dn%2BRzI4V9c%3D&reserved=0" target="_blank">linux-qoriq_4.14.bb</a></span><span style="color:#1F497D">)</span><o:p></o:p></p>
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<span style="font-family:Symbol;color:#1F497D">·</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:#1F497D"> </span><span style="color:#1F497D">nor is it in </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">arch/arm64/configs/lsdk.config</span><span style="color:#1F497D"> (which
I am pretty sure is the </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">DELTA_KERNEL_DEFCONFIG</span><span style="color:#1F497D"> used in </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">meta-freescale/recipes-kernel/linux/<a href="https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flinux-qoriq_4.14.bb%2F&data=02%7C01%7Czhenhua.luo%40nxp.com%7C979924ffd21d46edc99508d616cf45d8%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636721476826179512&sdata=bqnBBZuT1J9PnL7kN7hXQn8ofjVeaQZP1Dn%2BRzI4V9c%3D&reserved=0" target="_blank">linux-qoriq_4.14.bb</a></span><span style="color:#1F497D">)</span><o:p></o:p></p>
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<span style="font-family:Symbol;color:#1F497D">·</span><span style="font-size:7.0pt;font-family:"Times New Roman",serif;color:#1F497D"> </span><span style="color:#1F497D">nor can I find it in any </span><span style="font-size:10.0pt;font-family:"Courier New";color:black">Kconfig</span><span style="color:#1F497D"> in
the linux-qoriq source tree</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">Even so, it ends up in the .config file created when I build the linux-qoriq recipe. </span><o:p></o:p></p>
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<p class="MsoNormal">Can anyone point out what I am missing that results in CONFIG_PM getting defined? <o:p></o:p></p>
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<p class="MsoNormal">I have put in a workaround to #undef CONFIG_PM in ehci-fsl.c and am now able to get the second USB 2.0 bus, but I would like to find the "root source" to patch if I can.<o:p></o:p></p>
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<p class="MsoNormal">Thanks!<o:p></o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal"><br>
<span style="font-family:"Arial Narrow",sans-serif">.Tim</span><o:p></o:p></p>
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