On Mon, 28 Apr 2014 16:08:14 +0530, Tushar Behera wrote: > On 04/27/2014 01:07 PM, Shaik Ameer Basha wrote: > > From: Cho KyongHo <pullip.cho@xxxxxxxxxxx> > > > > Some master device descriptor like fimc-is which is an abstraction > > of very complex H/W may have multiple System MMUs. For those devices, > > the design of the link between System MMU and its master H/W is needed > > to be reconsidered. > > > > A link structure, sysmmu_list_data is introduced that provides a link > > to master H/W and that has a pointer to the device descriptor of a > > System MMU. Given a device descriptor of a master H/W, it is possible > > to traverse all System MMUs that must be controlled along with the > > master H/W. > > > > Signed-off-by: Cho KyongHo <pullip.cho@xxxxxxxxxxx> > > Since you are posting the patches, you should also add your > Signed-of-by. > > > --- > > drivers/iommu/exynos-iommu.c | 545 ++++++++++++++++++++++++++---------------- > > 1 file changed, 335 insertions(+), 210 deletions(-) > > > > diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c > > index fefedec3..c2e6365 100755 > > --- a/drivers/iommu/exynos-iommu.c > > +++ b/drivers/iommu/exynos-iommu.c > > [ ... ] > > > static int sysmmu_pm_genpd_save_state(struct device *dev) > > @@ -1215,7 +1349,7 @@ static int sysmmu_pm_genpd_save_state(struct device *dev) > > ret = cb(dev); > > > > if (ret == 0) > > - sysmmu_save_state(client->sysmmu); > > + sysmmu_save_state(dev); > > > > client is now unused, remove the variable. > > > return ret; > > } > > @@ -1238,13 +1372,13 @@ static int sysmmu_pm_genpd_restore_state(struct device *dev) > > if (!cb && dev->driver && dev->driver->pm) > > cb = dev->driver->pm->runtime_resume; > > > > - sysmmu_restore_state(client->sysmmu); > > + sysmmu_restore_state(dev); > > > > if (cb) > > ret = cb(dev); > > > > if (ret) > > - sysmmu_save_state(client->sysmmu); > > + sysmmu_restore_state(dev); > > > > client is now unused, remove the variable. > Ok. Thanks. KyongHo -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
