bugGNU GRUB - Bugs: bug #45189, PATA: Add data transfer by DMA


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bug #45189: PATA: Add data transfer by DMA

Submitted by:  Heiher <heiher>
Submitted on:  Tue 26 May 2015 08:38:41 AM UTC  
Category: Disk & PartitionSeverity: Major
Priority: 3 - LowItem Group: Feature Request
Status: NonePrivacy: Public
Assigned to: NoneOriginator Name: Heiher
Open/Closed: OpenRelease: 
Release: Git masterReproducibility: None
Planned Release: 2.03+

Thu 28 May 2015 03:28:31 PM UTC, comment #1:

Sending patches to grub-devel would get more chances for review.

Andrei Borzenkov <arvidjaar>
Project Member
Tue 26 May 2015 08:38:41 AM UTC, original submission:


I implemented DMA data transfer mode for PATA. It works fine in QEMU(x86) and Loongson3A+RS780E. Please review and land.

Heiher <heiher>


Attached Files
file #34123:  0001-PATA-Add-data-transfer-by-DMA.patch added by heiher (13KiB - text/x-patch - [v3] Fix readwrite timeout on old compatiable ide device.)
file #34115:  0001-PATA-Add-data-transfer-by-DMA.patch added by heiher (9KiB - text/x-patch - [v2] Reuse global dma buffer for readwrite.)
file #34094:  0001-PATA-Add-data-transfer-by-DMA.patch added by heiher (10KiB - application/x-ext-patch)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by phcoder (Updated the item)
  • -unavailable- added by arvidjaar (Posted a comment)
  • -unavailable- added by heiher (Submitted the item)

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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 11 Oct 2016 01:48:07 PM UTCphcoderPriority5 - Normal=>3 - Low
    Wed 02 Mar 2016 10:46:35 AM UTCphcoderPlanned ReleaseNone=>2.03+
    Sat 30 May 2015 08:22:54 AM UTCheiherAttached File-=>Added 0001-PATA-Add-data-transfer-by-DMA.patch, #34123
    Thu 28 May 2015 03:13:29 PM UTCheiherAttached File-=>Added 0001-PATA-Add-data-transfer-by-DMA.patch, #34115
    Tue 26 May 2015 08:38:41 AM UTCheiherAttached File-=>Added 0001-PATA-Add-data-transfer-by-DMA.patch, #34094

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