[PATCH v4 0/5] fbtft: make it work with DMA enabled SPI

From: Andy Shevchenko
Date: Thu Jan 19 2017 - 05:49:11 EST


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 v3:
- add Noralf's ACKs
- rebased on top of v4.10-rc4

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(-)

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2.11.0