projects / platform / adaptation / renesas_rcar / renesas_kernel.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: c59b9f9)
s390/pci: enable NEED_DMA_MAP_STATE
authorJan Glauber <jang@linux.vnet.ibm.com>
Wed, 5 Dec 2012 14:06:01 +0000 (15:06 +0100)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 5 Dec 2012 16:05:05 +0000 (11:05 -0500)
The DMA API allows to avoid DMA unmaps because they are NOPs on some
plattforms. But not on s390, so force them.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/Kconfig patch | blob | history

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f39a6f5..7ea06be 100644 (file)
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -479,6 +479,9 @@ config NEED_SG_DMA_LENGTH
 config HAVE_DMA_ATTRS
        def_bool PCI
 
+config NEED_DMA_MAP_STATE
+       def_bool PCI
+
 config CHSC_SCH
        def_tristate m
        prompt "Support for CHSC subchannels"
Domain: System / Uncategorized;