From be5d82183f1ebb022f923b008acf3b760d3a571d Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Tue, 22 May 2007 09:45:39 +0200 Subject: use_clustering (sht) bit set to 0 in AHCI ? ahci: enable sg segment clustering The specification states that ahci supports segments up to 4MiB in size, so enable clustering. Signed-off-by: Jens Axboe Signed-off-by: Jeff Garzik --- drivers/ata/ahci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/ata/ahci.c') diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index ca5229d..f55c9e7 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -54,7 +54,7 @@ enum { AHCI_MAX_PORTS = 32, AHCI_MAX_SG = 168, /* hardware max is 64K */ AHCI_DMA_BOUNDARY = 0xffffffff, - AHCI_USE_CLUSTERING = 0, + AHCI_USE_CLUSTERING = 1, AHCI_MAX_CMDS = 32, AHCI_CMD_SZ = 32, AHCI_CMD_SLOT_SZ = AHCI_MAX_CMDS * AHCI_CMD_SZ, -- cgit v1.1