Sekhar, >> >> + status = -EBUSY; >> >[Hiremath, Vaibhav] Is -EBUSY right return value, I think it should be - >> >ENXIO or -ENOMEM. >> > >> I see -ENXIO & -ENOMEM being used by drivers. -ENXIO stands for "No such >device or address". ENOMEM stands for "Out of memory" . Since we are trying >to map the address here, -ENXIO looks reasonable to me. Same if >request_mem_region() fails. >> > >Sergei had posted on this earlier[1]. Quoting him here: Was this his personal opinion or has he given any reference to support it? I did a grep for this in the driver directory and the result I got is in inline with Sergie's suggestion. So I am going to update the patch with these and send it again. -Murali > >" >> What are the proper error codes when platform_get_resource, > > -ENODEV. > >> request_mem_region > > -EBUSY. > >> and ioremap functions fail?. > > -ENOMEM. >" > >Not sure if ioremap failure can relate to absence of a device. > >Thanks, >Sekhar > >[1] http://www.mail-archive.com/davinci-linux-open- >source@xxxxxxxxxxxxxxxxxxxx/msg14973.html -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
