[PATCH 6/7] powerpc/powernv/pci: Move tce size parsing to pci-ioda-tce.c
Oliver O'Halloran
oohall at gmail.com
Mon Apr 6 13:07:44 AEST 2020
Move it in with the rest of the TCE wrangling rather than carting around
a static prototype in pci-ioda.c
Signed-off-by: Oliver O'Halloran <oohall at gmail.com>
---
arch/powerpc/platforms/powernv/pci-ioda-tce.c | 28 +++++++++++++++++
arch/powerpc/platforms/powernv/pci-ioda.c | 30 -------------------
arch/powerpc/platforms/powernv/pci.h | 2 ++
3 files changed, 30 insertions(+), 30 deletions(-)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda-tce.c b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
index 5dc6847d5f4c..f923359d8afc 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda-tce.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda-tce.c
@@ -17,6 +17,34 @@
#include <asm/tce.h>
#include "pci.h"
+unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
+{
+ struct pci_controller *hose = phb->hose;
+ struct device_node *dn = hose->dn;
+ unsigned long mask = 0;
+ int i, rc, count;
+ u32 val;
+
+ count = of_property_count_u32_elems(dn, "ibm,supported-tce-sizes");
+ if (count <= 0) {
+ mask = SZ_4K | SZ_64K;
+ /* Add 16M for POWER8 by default */
+ if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
+ !cpu_has_feature(CPU_FTR_ARCH_300))
+ mask |= SZ_16M | SZ_256M;
+ return mask;
+ }
+
+ for (i = 0; i < count; i++) {
+ rc = of_property_read_u32_index(dn, "ibm,supported-tce-sizes",
+ i, &val);
+ if (rc == 0)
+ mask |= 1ULL << val;
+ }
+
+ return mask;
+}
+
void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
void *tce_mem, u64 tce_size,
u64 dma_offset, unsigned int page_shift)
diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c
index 8b45b8e561e9..c020ade3a846 100644
--- a/arch/powerpc/platforms/powernv/pci-ioda.c
+++ b/arch/powerpc/platforms/powernv/pci-ioda.c
@@ -2585,8 +2585,6 @@ static struct iommu_table_group_ops pnv_pci_ioda2_ops = {
.release_ownership = pnv_ioda2_release_ownership,
};
-static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb);
-
static void pnv_pci_ioda_setup_iommu_api(void)
{
struct pci_controller *hose;
@@ -2638,34 +2636,6 @@ static void pnv_pci_ioda_setup_iommu_api(void)
static void pnv_pci_ioda_setup_iommu_api(void) { };
#endif
-static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb)
-{
- struct pci_controller *hose = phb->hose;
- struct device_node *dn = hose->dn;
- unsigned long mask = 0;
- int i, rc, count;
- u32 val;
-
- count = of_property_count_u32_elems(dn, "ibm,supported-tce-sizes");
- if (count <= 0) {
- mask = SZ_4K | SZ_64K;
- /* Add 16M for POWER8 by default */
- if (cpu_has_feature(CPU_FTR_ARCH_207S) &&
- !cpu_has_feature(CPU_FTR_ARCH_300))
- mask |= SZ_16M | SZ_256M;
- return mask;
- }
-
- for (i = 0; i < count; i++) {
- rc = of_property_read_u32_index(dn, "ibm,supported-tce-sizes",
- i, &val);
- if (rc == 0)
- mask |= 1ULL << val;
- }
-
- return mask;
-}
-
static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb,
struct pnv_ioda_pe *pe)
{
diff --git a/arch/powerpc/platforms/powernv/pci.h b/arch/powerpc/platforms/powernv/pci.h
index d3bbdeab3a32..0c5845a1f05d 100644
--- a/arch/powerpc/platforms/powernv/pci.h
+++ b/arch/powerpc/platforms/powernv/pci.h
@@ -244,4 +244,6 @@ extern void pnv_pci_setup_iommu_table(struct iommu_table *tbl,
void *tce_mem, u64 tce_size,
u64 dma_offset, unsigned int page_shift);
+extern unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb);
+
#endif /* __POWERNV_PCI_H */
--
2.21.1
More information about the Linuxppc-dev
mailing list