LKML Archive on
 help / color / Atom feed
From: "Ahmed S. Darwish" <>
To: Greg KH <>
Cc: Simon Que <>,
	Todd Poynor <>,
	John Joseph <>,
	Rob Springer <>,
	LKML <>,
Subject: [PATCH] staging: gasket: TODO: re-implement using UIO
Date: Mon, 10 Sep 2018 15:28:37 +0000
Message-ID: <20180910152837.GA31819@darwi-kernel> (raw)
In-Reply-To: <>

The gasket in-kernel framework, recently introduced under staging,
re-implements what is already long-time provided by the UIO
subsystem, with extra PCI BAR remapping and MSI conveniences.

Before moving it out of staging, make sure we add the new bits to
the UIO framework instead, then transform its signle client, the
Apex driver, to a proper UIO driver (uio_driver.h).


Signed-off-by: Ahmed S. Darwish <>
 drivers/staging/gasket/TODO | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/staging/gasket/TODO b/drivers/staging/gasket/TODO
index 6ff8e01b04cc..5b1865f8af2d 100644
--- a/drivers/staging/gasket/TODO
+++ b/drivers/staging/gasket/TODO
@@ -1,9 +1,22 @@
 This is a list of things that need to be done to get this driver out of the
 staging directory.
+- Implement the gasket framework's functionality through UIO instead of
+  introducing a new user-space drivers framework that is quite similar.
+  UIO provides the necessary bits to implement user-space drivers. Meanwhile
+  the gasket APIs adds some extra conveniences like PCI BAR mapping, and
+  MSI interrupts. Add these features to the UIO subsystem, then re-implement
+  the Apex driver as a basic UIO driver instead (include/linux/uio_driver.h)
 - Document sysfs files with Documentation/ABI/ entries.
 - Use misc interface instead of major number for driver version description.
 - Add descriptions of module_param's
 - apex_get_status() should actually check status.
 - "drivers" should never be dealing with "raw" sysfs calls or mess around with
   kobjects at all. The driver core should handle all of this for you
   automaically. There should not be a need for raw attribute macros.


  reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-18 15:57 [GIT PULL] Staging/IIO driver patches for 4.19-rc1 Greg KH
2018-08-18 18:00 ` Linus Torvalds
2018-08-19  6:07   ` Greg Kroah-Hartman
2018-08-28 10:38 ` Ahmed S. Darwish
2018-08-28 11:20   ` Todd Poynor
2018-08-28 12:36   ` Greg KH
2018-08-28 14:30     ` Ahmed S. Darwish
2018-09-10  8:16       ` Greg KH
2018-09-10 15:28         ` Ahmed S. Darwish [this message]
2018-11-07  0:20           ` RFC: staging: gasket: re-implement using UIO Todd Poynor
2018-11-07  9:20             ` Greg KH

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20180910152837.GA31819@darwi-kernel \ \ \ \ \ \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

LKML Archive on

Archives are clonable:
	git clone --mirror lkml/git/0.git
	git clone --mirror lkml/git/1.git
	git clone --mirror lkml/git/2.git
	git clone --mirror lkml/git/3.git
	git clone --mirror lkml/git/4.git
	git clone --mirror lkml/git/5.git
	git clone --mirror lkml/git/6.git
	git clone --mirror lkml/git/7.git
	git clone --mirror lkml/git/8.git
	git clone --mirror lkml/git/9.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 lkml lkml/ \
	public-inbox-index lkml

Example config snippet for mirrors

Newsgroup available over NNTP:

AGPL code for this site: git clone