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| author | Yaniv Gardi <ygardi@codeaurora.org> | 2016-03-10 17:37:15 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-03-14 21:04:45 -0400 |
| commit | afdfff59a0e0c5527610d3bc5d338a0da03dd23d (patch) | |
| tree | a13954a029ee78eaf9b37ddc25be5e66a832dcda /drivers/scsi/ufs/ufshcd.h | |
| parent | a70e91b8bbaa3924d6598f9b4d1d468d2c88e6d3 (diff) | |
| download | linux-afdfff59a0e0c5527610d3bc5d338a0da03dd23d.tar.gz linux-afdfff59a0e0c5527610d3bc5d338a0da03dd23d.tar.bz2 linux-afdfff59a0e0c5527610d3bc5d338a0da03dd23d.zip | |
scsi: ufs: handle non spec compliant bkops behaviour by device
We are seeing that some devices are raising the urgent bkops exception
events even when BKOPS status doesn't indicate performace impacted or
critical. Handle these device by determining their urgent bkops status
at runtime.
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Yaniv Gardi <ygardi@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 77e79c00ef8c..65f29aa881d6 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -383,6 +383,9 @@ struct ufs_init_prefetch { * @clk_list_head: UFS host controller clocks list node head * @pwr_info: holds current power mode * @max_pwr_info: keeps the device max valid pwm + * @urgent_bkops_lvl: keeps track of urgent bkops level for device + * @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for + * device is known or not. */ struct ufs_hba { void __iomem *mmio_base; @@ -538,6 +541,9 @@ struct ufs_hba { struct devfreq *devfreq; struct ufs_clk_scaling clk_scaling; bool is_sys_suspended; + + enum bkops_status urgent_bkops_lvl; + bool is_urgent_bkops_lvl_checked; }; /* Returns true if clocks can be gated. Otherwise false */ |