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Update Kconfig help comments

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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
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13
arch/arm/src/samv7/Kconfig
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@ -1506,9 +1506,16 @@ config SAMV7_HSMCI_UNALIGNED
But under certain circumstances, the FAT file system WILL read
directly into the user buffer and then strict 32-bit alignment is
required. That condition is: When the user reads from the
beginning of a sector and at least a whole sector is being read. So
this could effect certain application and so, if you are concerned,
you probably should enable this feature.
beginning of a sector and at least a whole sector is being read.
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
bool "HSMCI transfer debug"