[4/7] ocxl: Rename pnv_ocxl_spa_remove_pe to clarify it's action

Message ID 20180417020950.21446-5-alastair@au1.ibm.com
State New
Headers show
Series
  • ocxl: Implement Power9 as_notify/wait for OpenCAPI
Related show

Commit Message

Alastair D'Silva April 17, 2018, 2:09 a.m.
From: Alastair D'Silva <alastair@d-silva.org>

The function removes the process element from NPU cache.

Signed-off-by: Alastair D'Silva <alastair@d-silva.org>
---
 arch/powerpc/include/asm/pnv-ocxl.h   | 2 +-
 arch/powerpc/platforms/powernv/ocxl.c | 4 ++--
 drivers/misc/ocxl/link.c              | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

Comments

Andrew Donnellan April 17, 2018, 5:37 a.m. | #1
On 17/04/18 12:09, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@d-silva.org>
> 
> The function removes the process element from NPU cache.
> 
> Signed-off-by: Alastair D'Silva <alastair@d-silva.org>


Hmm, personally I'd suggest pnv_ocxl_spa_clear_cache() because it's just 
a wrapper around the OPAL call of a similar name.

But I don't feel strongly about this at all, so:

Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

Patch

diff --git a/arch/powerpc/include/asm/pnv-ocxl.h b/arch/powerpc/include/asm/pnv-ocxl.h
index f6945d3bc971..208b5503f4ed 100644
--- a/arch/powerpc/include/asm/pnv-ocxl.h
+++ b/arch/powerpc/include/asm/pnv-ocxl.h
@@ -28,7 +28,7 @@  extern int pnv_ocxl_map_xsl_regs(struct pci_dev *dev, void __iomem **dsisr,
 extern int pnv_ocxl_spa_setup(struct pci_dev *dev, void *spa_mem, int PE_mask,
 			void **platform_data);
 extern void pnv_ocxl_spa_release(void *platform_data);
-extern int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle);
+extern int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle);
 
 extern int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr);
 extern void pnv_ocxl_free_xive_irq(u32 irq);
diff --git a/arch/powerpc/platforms/powernv/ocxl.c b/arch/powerpc/platforms/powernv/ocxl.c
index fa9b53af3c7b..8c65aacda9c8 100644
--- a/arch/powerpc/platforms/powernv/ocxl.c
+++ b/arch/powerpc/platforms/powernv/ocxl.c
@@ -475,7 +475,7 @@  void pnv_ocxl_spa_release(void *platform_data)
 }
 EXPORT_SYMBOL_GPL(pnv_ocxl_spa_release);
 
-int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
+int pnv_ocxl_spa_remove_pe_from_cache(void *platform_data, int pe_handle)
 {
 	struct spa_data *data = (struct spa_data *) platform_data;
 	int rc;
@@ -483,7 +483,7 @@  int pnv_ocxl_spa_remove_pe(void *platform_data, int pe_handle)
 	rc = opal_npu_spa_clear_cache(data->phb_opal_id, data->bdfn, pe_handle);
 	return rc;
 }
-EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe);
+EXPORT_SYMBOL_GPL(pnv_ocxl_spa_remove_pe_from_cache);
 
 int pnv_ocxl_alloc_xive_irq(u32 *irq, u64 *trigger_addr)
 {
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index f30790582dc0..656e8610eec2 100644
--- a/drivers/misc/ocxl/link.c
+++ b/drivers/misc/ocxl/link.c
@@ -599,7 +599,7 @@  int ocxl_link_remove_pe(void *link_handle, int pasid)
 	 * On powerpc, the entry needs to be cleared from the context
 	 * cache of the NPU.
 	 */
-	rc = pnv_ocxl_spa_remove_pe(link->platform_data, pe_handle);
+	rc = pnv_ocxl_spa_remove_pe_from_cache(link->platform_data, pe_handle);
 	WARN_ON(rc);
 
 	pe_data = radix_tree_delete(&spa->pe_tree, pe_handle);