On Thu, Jan 05, 2017 at 01:37:22PM -0500, Sinan Kaya wrote: > On 1/5/2017 1:29 PM, Lorenzo Pieralisi wrote: > > iort_node_get_id() takes an index as input to refer to a specific > > mapping entry in the mapping array to retrieve the id at a specific > > index provided the index is below the total mapping count; currently the > > index is used to retrieve the mapping value from the correct entry but > > not to dereference the correct entry while retrieving the mapping > > output_reference (ie IORT parent pointer), which consequently always > > resolves to the output_reference of the first entry in the mapping > > array. > > Maybe, irrelevant but I'm going to throw it out. > > Can we somehow break these multiple input and multiple output single > function into smaller and manageable pieces while we are fixing a bug > on it? No. This is a fix for code currently in the kernel that is going to be released in a few weeks, it is not a clean-up, please let me know if it works on your platforms. > These functions seem to do N different things when an input is present > or not. > > I got lost in these function when implementing ITS->SMMU->NC use case. Hanjun is carrying out the clean-up of the mapping functions as part of its platform MSIs patchset, I followed up on that already to achieve what you request above. Thanks, Lorenzo -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html