diff options
| author | Avri Altman <avri.altman@wdc.com> | 2024-05-30 17:25:08 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2024-05-30 20:34:38 -0400 |
| commit | e75ff63300c5e8fac31649f438ebad6af88e0032 (patch) | |
| tree | cae0fb15c07911958a1e8e09a5b783facba64383 /include/ufs | |
| parent | 9ec54934ce857065e38523a2010e20182e76f515 (diff) | |
| download | linux-e75ff63300c5e8fac31649f438ebad6af88e0032.tar.gz linux-e75ff63300c5e8fac31649f438ebad6af88e0032.tar.bz2 linux-e75ff63300c5e8fac31649f438ebad6af88e0032.zip | |
scsi: ufs: core: Maximum RTT supported by the host driver
Allow platform vendors to take precedence having their own max rtt support.
This makes sense because the host controller's nortt characteristic may
vary among vendors.
while at it, set this value for Mediatek, as requested by Peter -
https://lore.kernel.org/all/0a57d6bab739d6a10584f2baba115d00dfc9c94c.camel@mediatek.com/
Signed-off-by: Avri Altman <avri.altman@wdc.com>
Link: https://lore.kernel.org/r/20240530142510.734-3-avri.altman@wdc.com
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/ufs')
| -rw-r--r-- | include/ufs/ufshcd.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index d74bd2d67b06..ef04ec8aad69 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -295,6 +295,7 @@ struct ufs_pwr_mode_info { /** * struct ufs_hba_variant_ops - variant specific callbacks * @name: variant name + * @max_num_rtt: maximum RTT supported by the host * @init: called when the driver is initialized * @exit: called to cleanup everything done in init * @get_ufs_hci_version: called to get UFS HCI version @@ -332,6 +333,7 @@ struct ufs_pwr_mode_info { */ struct ufs_hba_variant_ops { const char *name; + int max_num_rtt; int (*init)(struct ufs_hba *); void (*exit)(struct ufs_hba *); u32 (*get_ufs_hci_version)(struct ufs_hba *); |