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libata: Make ata_dev_set_mode() less verbose 

For a successful setting of the device transfer speed mode in
ata_dev_set_mode(), do not print the message
"ataX.XX: configured for xxx" if the EH context has the quiet flag set,
unless the device port is being reset.

This preserves the output of the message during device scan but removes
it in the case of a simple device revalidation such as trigerred by
enabling the NCQ I/O priority feature of the device
e.g. echo 1 > /sys/block/sdxx/device/ncq_iprio_enable

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Damien Le Moal 2018-05-09 09:28:10 +09:00 committed by Tejun Heo
parent 54fb131b32
commit 07b9b6d6e1
1 changed files with 5 additions and 3 deletions
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8
drivers/ata/libata-core.c
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@ -3573,9 +3573,11 @@ static int ata_dev_set_mode(struct ata_device *dev)
DPRINTK("xfer_shift=%u, xfer_mode=0x%x\n",
dev->xfer_shift, (int)dev->xfer_mode);
ata_dev_info(dev, "configured for %s%s\n",
ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)),
dev_err_whine);
if (!(ehc->i.flags & ATA_EHI_QUIET) ||
ehc->i.flags & ATA_EHI_DID_HARDRESET)
ata_dev_info(dev, "configured for %s%s\n",
ata_mode_string(ata_xfer_mode2mask(dev->xfer_mode)),
dev_err_whine);
return 0;