Messages in this thread | | | Date | Mon, 28 Apr 2014 16:08:14 +0530 | From | Tushar Behera <> | Subject | Re: [PATCH v12 18/31] iommu/exynos: allow having multiple System MMUs for a master H/W |
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On 04/27/2014 01:07 PM, Shaik Ameer Basha wrote: > From: Cho KyongHo <pullip.cho@samsung.com> > > 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@samsung.com>
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.
-- Tushar Behera
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