You were right, thank you very much. regards Jan 2013/4/22 Daniele Palmas <dnlplm@xxxxxxxxx>: > Hello, > > 2013/4/22 Jan Pohanka <xhpohanka@xxxxxxxxx>: >> Dear all, >> >> I'm getting following message from cdc_acm driver when plugging in my >> GSM module on Amlogic 8726-MXS platform (kernel v3.0.8): >> >> cdc_acm 1-1:1.4: ttyACM2: USB ACM device >> [ 26.730474@0] cdc_acm 1-1:1.6: This device cannot do calls on its >> own. It is not a modem. >> [ 26.733206@0] cdc_acm 1-1:1.6: out of memory (write buffer alloc) >> [ 26.740307@0] cdc_acm: probe of 1-1:1.6 failed with error -12 >> >> acm_write_buffers_alloc() function calls hcd_buffer_alloc() which >> allocates coherent memory for DMA transfers through dma_pool_alloc or >> dma_alloc_coherent. >> Can please someone give me an advice where is the memory available for >> these allocations defined? > > If I am not wrong you should take a look at the define CONSISTENT_DMA_SIZE. > > Regards, > Daniele -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
