Commit af199e6c authored by Shivaprasad G Bhat's avatar Shivaprasad G Bhat Committed by Michael Ellerman
Browse files

powerpc/pseries/iommu: Define spapr_tce_table_group_ops only with CONFIG_IOMMU_API 



The patch fixes the below warning:
  arch/powerpc/platforms/pseries/iommu.c:1824:37: warning:
  'spapr_tce_table_group_ops' defined but not used

Reported-by: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407020357.Hz8kQkKf-lkp@intel.com/


Fixes: b09c031d ("powerpc/iommu: Move pSeries specific functions to pseries/iommu.c")
Signed-off-by: default avatarShivaprasad G Bhat <sbhat@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/172008854222.784.13666247605789409729.stgit@linux.ibm.com
parent 17c743b9

arch/powerpc/platforms/pseries/iommu.c

+8 −0
Original line number Diff line number Diff line
@@ -68,7 +68,9 @@ static struct iommu_table *iommu_pseries_alloc_table(int node) 
	return tbl;

}



#ifdef CONFIG_IOMMU_API

static struct iommu_table_group_ops spapr_tce_table_group_ops;

#endif



static struct iommu_table_group *iommu_pseries_alloc_group(int node)

{
@@ -165,6 +167,7 @@ static unsigned long tce_get_pseries(struct iommu_table *tbl, long index) 
	return be64_to_cpu(*tcep);

}



#ifdef CONFIG_IOMMU_API

static long pseries_tce_iommu_userspace_view_alloc(struct iommu_table *tbl)

{

	unsigned long cb = ALIGN(sizeof(tbl->it_userspace[0]) * tbl->it_size, PAGE_SIZE);
@@ -183,6 +186,7 @@ static long pseries_tce_iommu_userspace_view_alloc(struct iommu_table *tbl) 


	return 0;

}

#endif



static void tce_iommu_userspace_view_free(struct iommu_table *tbl)

{
@@ -738,6 +742,7 @@ struct iommu_table_ops iommu_table_lpar_multi_ops = { 
	.free = tce_free_pSeries

};



#ifdef CONFIG_IOMMU_API

/*

 * When the DMA window properties might have been removed,

 * the parent node has the table_group setup on it.
@@ -757,6 +762,7 @@ static struct device_node *pci_dma_find_parent_node(struct pci_dev *dev, 


	return NULL;

}

#endif



/*

 * Find nearest ibm,dma-window (default DMA window) or direct DMA window or
@@ -1845,6 +1851,7 @@ static bool iommu_bypass_supported_pSeriesLP(struct pci_dev *pdev, u64 dma_mask) 
	return false;

}



#ifdef CONFIG_IOMMU_API

/*

 * A simple iommu_table_group_ops which only allows reusing the existing

 * iommu_table. This handles VFIO for POWER7 or the nested KVM.
@@ -2327,6 +2334,7 @@ static struct iommu_table_group_ops spapr_tce_table_group_ops = { 
	.take_ownership = spapr_tce_take_ownership,

	.release_ownership = spapr_tce_release_ownership,

};

#endif



static int iommu_mem_notifier(struct notifier_block *nb, unsigned long action,

		void *data)