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Groups > linux.kernel > #1603719

[RFC PATCHv2 03/21] staging: android: ion: Remove dmap_cnt

From Laura Abbott <labbott@redhat.com>
Newsgroups linux.kernel
Subject [RFC PATCHv2 03/21] staging: android: ion: Remove dmap_cnt
Date 2017-03-18 04:00 +0100
Message-ID <tmcKZ-7ZW-1@gated-at.bofh.it> (permalink)
References <tmb2y-6Yb-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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The reference counting of dma_map calls was removed. Remove the
associated counter field as well.

Signed-off-by: Laura Abbott <labbott@redhat.com>
---
 drivers/staging/android/ion/ion_priv.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/android/ion/ion_priv.h b/drivers/staging/android/ion/ion_priv.h
index 5b3059c..46d3ff5 100644
--- a/drivers/staging/android/ion/ion_priv.h
+++ b/drivers/staging/android/ion/ion_priv.h
@@ -44,7 +44,6 @@
  * @lock:		protects the buffers cnt fields
  * @kmap_cnt:		number of times the buffer is mapped to the kernel
  * @vaddr:		the kernel mapping if kmap_cnt is not zero
- * @dmap_cnt:		number of times the buffer is mapped for dma
  * @sg_table:		the sg table for the buffer if dmap_cnt is not zero
  * @pages:		flat array of pages in the buffer -- used by fault
  *			handler and only valid for buffers that are faulted in
@@ -70,7 +69,6 @@ struct ion_buffer {
 	struct mutex lock;
 	int kmap_cnt;
 	void *vaddr;
-	int dmap_cnt;
 	struct sg_table *sg_table;
 	struct page **pages;
 	struct list_head vmas;
-- 
2.7.4

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Thread

[RFC PATCHv2 00/21] Ion clean in preparation for moving out of staging Laura Abbott <labbott@redhat.com> - 2017-03-18 02:20 +0100
  [RFC PATCHv2 18/21] staging: android: ion: Rework heap registration/enumeration Laura Abbott <labbott@redhat.com> - 2017-03-18 02:30 +0100
  [RFC PATCHv2 14/21] staging: android: ion: Stop butchering the DMA address Laura Abbott <labbott@redhat.com> - 2017-03-18 02:30 +0100
  [RFC PATCHv2 02/21] cma: Introduce cma_for_each_area Laura Abbott <labbott@redhat.com> - 2017-03-18 02:50 +0100
  [RFC PATCHv2 11/21] staging: android: ion: Remove duplicate ION_IOC_MAP Laura Abbott <labbott@redhat.com> - 2017-03-18 03:10 +0100
  [RFC PATCHv2 20/21] staging: android: ion: Remove ion_handle and ion_client Laura Abbott <labbott@redhat.com> - 2017-03-18 03:10 +0100
  [RFC PATCHv2 07/21] staging: android: ion: Remove page faulting support Laura Abbott <labbott@redhat.com> - 2017-03-18 03:50 +0100
  [RFC PATCHv2 10/21] staging: android: ion: Remove import interface Laura Abbott <labbott@redhat.com> - 2017-03-18 04:00 +0100
  [RFC PATCHv2 03/21] staging: android: ion: Remove dmap_cnt Laura Abbott <labbott@redhat.com> - 2017-03-18 04:00 +0100
  [RFC PATCHv2 15/21] staging: android: ion: Break the ABI in the name of forward progress Laura Abbott <labbott@redhat.com> - 2017-03-18 04:10 +0100
  [RFC PATCHv2 21/21] staging: android: ion: Set query return value Laura Abbott <labbott@redhat.com> - 2017-03-18 04:40 +0100
  [RFC PATCHv2 04/21] staging: android: ion: Remove alignment from allocation field Laura Abbott <labbott@redhat.com> - 2017-03-18 05:00 +0100
  [RFC PATCHv2 06/21] staging: android: ion: Call dma_map_sg for syncing and mapping Laura Abbott <labbott@redhat.com> - 2017-03-18 15:50 +0100

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