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/openbmc/linux/drivers/remoteproc/ |
H A D | remoteproc_core.c | 0798e1da Tue Dec 13 00:41:47 CST 2011 Mark Grosen <mgrosen@ti.com> remoteproc: do not require an iommu
Not all remote processors employ an IOMMU, so do not error out on !iommu_present().
Note: we currently still use iommu_present() to tell whether we need to configure an IOMMU or not. That works for simple cases, but will easily fail with more complicated ones (e.g. where an IOMMU exists, but not all remote processors use it). When those use cases show up, we will solve them by introducing something like remoteproc hw capabilities.
[ohad@wizery.com: write commit log]
Signed-off-by: Mark Grosen <mgrosen@ti.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> 0798e1da Tue Dec 13 00:41:47 CST 2011 Mark Grosen <mgrosen@ti.com> remoteproc: do not require an iommu Not all remote processors employ an IOMMU, so do not error out on !iommu_present(). Note: we currently still use iommu_present() to tell whether we need to configure an IOMMU or not. That works for simple cases, but will easily fail with more complicated ones (e.g. where an IOMMU exists, but not all remote processors use it). When those use cases show up, we will solve them by introducing something like remoteproc hw capabilities. [ohad@wizery.com: write commit log] Signed-off-by: Mark Grosen <mgrosen@ti.com> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
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