From edc1ba7a7a13b1c721f2a7791ff809633d85fb9b Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Mon, 5 May 2014 15:53:41 +0800 Subject: docs/memory.txt: Fix document on MMIO operations .impl.valid should be .impl.unaligned and the description needs some fixes. .old_portio is removed since commit b40acf99b (ioport: Switch dispatching to memory core layer). Signed-off-by: Fam Zheng Signed-off-by: Michael Tokarev --- docs/memory.txt | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'docs') diff --git a/docs/memory.txt b/docs/memory.txt index 22eaec780e..5bdbdb3691 100644 --- a/docs/memory.txt +++ b/docs/memory.txt @@ -232,8 +232,8 @@ various constraints can be supplied to control how these callbacks are called: (in bytes) supported by the *implementation*; other access sizes will be emulated using the ones available. For example a 4-byte write will be emulated using four 1-byte writes, if .impl.max_access_size = 1. - - .impl.valid specifies that the *implementation* only supports unaligned - accesses; unaligned accesses will be emulated by two aligned accesses. - - .old_portio and .old_mmio can be used to ease porting from code using - cpu_register_io_memory() and register_ioport(). They should not be used - in new code. + - .impl.unaligned specifies that the *implementation* supports unaligned + accesses; if false, unaligned accesses will be emulated by two aligned + accesses. + - .old_mmio can be used to ease porting from code using + cpu_register_io_memory(). It should not be used in new code. -- cgit v1.2.3