Messages in this thread | | | Date | Mon, 03 Feb 2020 15:17:21 +0800 | From | Can Guo <> | Subject | Re: [EXT] [PATCH v4 6/8] scsi: ufs: Add dev ref clock gating wait time support |
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On 2020-01-24 07:11, Bean Huo (beanhuo) wrote: > Hi, Can > >> >> In UFS version 3.0, a newly added attribute bRefClkGatingWaitTime >> defines the >> minimum time for which the reference clock is required by device >> during >> transition to LS-MODE or HIBERN8 state. Make this change to reflect >> the new >> requirement by adding delays before turning off the clock. >> >> Signed-off-by: Can Guo <cang@codeaurora.org> >> --- >> drivers/scsi/ufs/ufs.h | 3 +++ >> drivers/scsi/ufs/ufshcd.c | 41 >> +++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 44 insertions(+) >> >> diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index >> 3327981..385bac8 100644 >> --- a/drivers/scsi/ufs/ufs.h >> +++ b/drivers/scsi/ufs/ufs.h >> @@ -168,6 +168,7 @@ enum attr_idn { >> QUERY_ATTR_IDN_FFU_STATUS = 0x14, >> QUERY_ATTR_IDN_PSA_STATE = 0x15, >> QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, >> + QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, >> }; >> >> /* Descriptor idn for Query requests */ @@ -530,6 +531,8 @@ struct >> ufs_dev_info { >> bool f_power_on_wp_en; >> /* Keeps information if any of the LU is power on write protected */ >> bool is_lu_power_on_wp; >> + u16 spec_version; >> + u32 clk_gating_wait_us; >> }; >> > This one also need rebase > > Thanks, > > //Bean
Shall rebase this series.
Thanks,
Can Guo
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