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| /openbmc/linux/drivers/ata/ |
| H A D | sata_sil24.c | diff 93e2618e0cee1f5b5a4cfc1b7521939318dbf5bb Thu Nov 22 03:46:57 CST 2007 Tejun Heo <htejun@gmail.com> sata_sil24: fix sg table sizing
sil24 unnecessarily used LIBATA_MAX_PRD and ATAPI sg table was short
by one entry which might cause very obscure problems. This patch
updates sg table sizing such that
* One full page is used for PRB + sg table. On 4k page,
this results in 253 sg's.
* Make ATAPI sg block properly sized.
* Make build fail if command block size doesn't equal PAGE_SIZE.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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