Document: add MAX_IO_BLOCK_DEVICES platform macro
authorHaojian Zhuang <haojian.zhuang@linaro.org>
Thu, 21 Apr 2016 02:52:52 +0000 (10:52 +0800)
committerHaojian Zhuang <haojian.zhuang@linaro.org>
Wed, 27 Apr 2016 10:52:40 +0000 (18:52 +0800)
commit08b375b0f18a03ae86f67759fa8999ff6920a5b9
treedecf16fd518dbebbb816ab42e51f3064f027baf3
parent9da7a653bda90669057b842b64de4f6b880c8574
Document: add MAX_IO_BLOCK_DEVICES platform macro

Add MAX_IO_BLOCK_DEVICES in porting guide. It's necessary to define
this macro to support io block device. With this macro, multiple
block devices could be opened at the same time. Each block device
stores its own state.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
docs/porting-guide.md