Davinci: gpio - fine grained locking

Browse source

This patch eliminates the global gpio_lock, and implements a per-controller
lock instead.  This also switches to irqsave/irqrestore locks in case gpios
are manipulated in isr.

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Sandeep Paulraj <s-paulraj@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

...

This commit is contained in:

Cyril Chemparathy 2010-05-01 18:37:55 -04:00 • committed by Kevin Hilman

parent 686b634a07

commit b27b6d03f2

2 changed files with 8 additions and 4 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

9

arch/arm/mach-davinci/gpio.c

View file

3

arch/arm/mach-davinci/include/mach/gpio.h

View file