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| author | Dave Airlie <airlied@redhat.com> | 2015-12-24 08:08:47 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-12-24 08:08:47 +1000 |
| commit | 20f8e032e6dc7053ab803f488e2a8839cd2f69a6 (patch) | |
| tree | 406b662934bffa205d90e9435bf96af7dc1a0cb0 /drivers/ata/libata-eh.c | |
| parent | ade1ba7346070709856d7e38f8d1a77b7aa710aa (diff) | |
| parent | 5b726e06d6e8309e5c9ef4109a32caf27c71dfc8 (diff) | |
| download | blackbird-op-linux-20f8e032e6dc7053ab803f488e2a8839cd2f69a6.tar.gz blackbird-op-linux-20f8e032e6dc7053ab803f488e2a8839cd2f69a6.zip | |
Backmerge drm-fixes merge into Linus's tree into drm-next.
This merges '5b726e06d6e8309e5c9ef4109a32caf27c71dfc8' into drm-next
Just to resolve some merges to make Daniel's life easier.
Signed-off-by: DAve Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/ata/libata-eh.c')
| -rw-r--r-- | drivers/ata/libata-eh.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index cb0508af1459..961acc788f44 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1505,12 +1505,20 @@ static const char *ata_err_string(unsigned int err_mask) unsigned int ata_read_log_page(struct ata_device *dev, u8 log, u8 page, void *buf, unsigned int sectors) { + unsigned long ap_flags = dev->link->ap->flags; struct ata_taskfile tf; unsigned int err_mask; bool dma = false; DPRINTK("read log page - log 0x%x, page 0x%x\n", log, page); + /* + * Return error without actually issuing the command on controllers + * which e.g. lockup on a read log page. + */ + if (ap_flags & ATA_FLAG_NO_LOG_PAGE) + return AC_ERR_DEV; + retry: ata_tf_init(dev, &tf); if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) && |
