sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Update Kconfig help comments

Browse Source
This commit is contained in:
Gregory Nutt 2016-02-23 06:37:44 -06:00
parent 52d4bb24b5
commit 11d17572a1
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
arch/arm/src/samv7/Kconfig
View File

@ -1506,9 +1506,16 @@ config SAMV7_HSMCI_UNALIGNED
But under certain circumstances, the FAT file system WILL read But under certain circumstances, the FAT file system WILL read
directly into the user buffer and then strict 32-bit alignment is directly into the user buffer and then strict 32-bit alignment is
required. That condition is: When the user reads from the required. That condition is: When the user reads from the
beginning of a sector and at least a whole sector is being read. So beginning of a sector and at least a whole sector is being read.
this could effect certain application and so, if you are concerned,
you probably should enable this feature. This option is not recommended. There are better ways to handle
the unalaigned case:
CONFIG_SAMV7_HSMCI_UNALIGNED=y
Just return -EFAULT if unaligned
CONFIG_FAT_DIRECT_RETRY=y
If -EFAULT is returned, then try again with aligned
sector buffers.
config SAMV7_HSMCI_XFRDEBUG config SAMV7_HSMCI_XFRDEBUG
bool "HSMCI transfer debug" bool "HSMCI transfer debug"