linux-kernel - [PATCH v3 0/5] fbtft: make it work with DMA enabled SPI

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Message-Id: <20170103182949.114385-1-andriy.shevchenko@linux.intel.com>
Date:   Tue,  3 Jan 2017 20:29:44 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Noralf Trønnes <noralf@...nnes.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        linux-kernel@...r.kernel.org
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v3 0/5] fbtft: make it work with DMA enabled SPI

This series enables 64x48 OLED display and fixes the driver to work with DMA
enabled SPI properly.

Has been tested on Intel Edison board with Adafruit 2'8" and SSD1306 64x48
(Sparkfun for Intel Edison) OLED displays at their maximum speed (25MHz and
10MHz).

Since v2:
- fix kbuild bot warning
- remove duplication of might_sleep() (Noralf)
- re-do DMA appoach based on Noralf's suggestion
- append Noralf's tags

Andy Shevchenko (5):
  staging: fbtft: convert fbtft_reset() to be non-atomic
  staging: fbtft: remove custom DMA mapped buffer
  staging: fbtft: propagate error code from kstrto*()
  staging: fbtft: fb_ssd1306: Support smaller screen sizes
  staging: fbtft: fb_ssd1306: Refactor write_vmem()

 drivers/staging/fbtft/fb_ra8875.c   |  4 ----
 drivers/staging/fbtft/fb_ssd1306.c  | 37 ++++++++++++++++++++++++++++---------
 drivers/staging/fbtft/fbtft-core.c  | 30 ++++++------------------------
 drivers/staging/fbtft/fbtft-io.c    |  4 ----
 drivers/staging/fbtft/fbtft-sysfs.c |  7 +------
 drivers/staging/fbtft/fbtft.h       |  1 -
 6 files changed, 35 insertions(+), 48 deletions(-)

-- 
2.11.0