关于L138网卡驱动davinci_emac.c申请收发数据描述符cpdma_desc_alloc失败的问题
在数据量比较大的情况,调用cpdma_chan_submit时cpdma_desc_alloc申请失败,返回-ENOMEM,从而产生dropped以及overruns,最后导致网卡驱动不工作
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关于L138网卡驱动davinci_emac.c申请收发数据描述符cpdma_desc_alloc失败的问题
在数据量比较大的情况,调用cpdma_chan_submit时cpdma_desc_alloc申请失败,返回-ENOMEM,从而产生dropped以及overruns,最后导致网卡驱动不工作