Hello, Artem.
Can you please apply the following patch on top and see whether
anything changes? If it does make the issue go away, can you please
revert the ".can_queue" part and test again?
Thanks.
---
drivers/ata/ahci.h | 2 +-
drivers/ata/libahci.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -365,7 +365,7 @@ extern struct device_attribute *ahci_sde
*/
#define AHCI_SHT(drv_name) \
ATA_NCQ_SHT(drv_name), \
- .can_queue = AHCI_MAX_CMDS - 1, \
+ .can_queue = 1/*AHCI_MAX_CMDS - 1*/, \
.sg_tablesize = AHCI_MAX_SG, \
.dma_boundary = AHCI_DMA_BOUNDARY, \
.shost_attrs = ahci_shost_attrs, \
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -420,7 +420,7 @@ void ahci_save_initial_config(struct dev
hpriv->saved_cap2 = cap2 = 0;
/* some chips have errata preventing 64bit use */
- if ((cap & HOST_CAP_64) && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)) {
+ if ((cap & HOST_CAP_64)/* && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)*/) {
dev_info(dev, "controller can't do 64bit DMA, forcing 32bit\n");
cap &= ~HOST_CAP_64;
}
--
tejun
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