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[S390] dasd: use idal for device characteristics
authorStefan Haberland <stefan.haberland@de.ibm.com>
Wed, 14 Oct 2009 10:43:48 +0000 (12:43 +0200)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Wed, 14 Oct 2009 10:43:53 +0000 (12:43 +0200)
commitcfa8845f691ccdcb24b85e3a70cde30e599f8863
tree4f6b0ec9058c616aa8d8265d59dd310d0a0f56a2tree | snapshot
parenta37273e2cc0918554ddb6aeb3d8b005899a4c9f2commit | diff
[S390] dasd: use idal for device characteristics

If the rdc_buffer is above 2G we need indirect addresssing so we have
to use an idaw to give the rdc_buffer to the ccw.
If the rdc_buffer is under 2G nothing changes.

Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
drivers/s390/block/dasd.c diff | blob | history
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