Messages in this thread | | | Date | Fri, 07 Feb 2020 19:10:14 +0800 | From | Can Guo <> | Subject | Re: [PATCH v1 2/2] scsi: ufs: introduce common function to disable host TX LCC |
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On 2020-02-07 15:03, Stanley Chu wrote: > Many vendors would like to disable host TX LCC during initialization > flow. Introduce a common function for all users to make drivers easier > to > read and maintained. This patch does not change any functionality. > > Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
> --- > drivers/scsi/ufs/cdns-pltfrm.c | 2 +- > drivers/scsi/ufs/ufs-hisi.c | 2 +- > drivers/scsi/ufs/ufs-mediatek.c | 2 +- > drivers/scsi/ufs/ufs-qcom.c | 4 +--- > drivers/scsi/ufs/ufshcd-pci.c | 2 +- > drivers/scsi/ufs/ufshcd.h | 5 +++++ > 6 files changed, 10 insertions(+), 7 deletions(-) > > diff --git a/drivers/scsi/ufs/cdns-pltfrm.c > b/drivers/scsi/ufs/cdns-pltfrm.c > index 56a6a1ed5ec2..da065a259f6e 100644 > --- a/drivers/scsi/ufs/cdns-pltfrm.c > +++ b/drivers/scsi/ufs/cdns-pltfrm.c > @@ -192,7 +192,7 @@ static int cdns_ufs_link_startup_notify(struct > ufs_hba *hba, > * and device TX LCC are disabled once link startup is > * completed. > */ > - ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > + ufshcd_disable_host_tx_lcc(hba); > > /* > * Disabling Autohibern8 feature in cadence UFS > diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c > index 5d6487350a6c..074a6a055a4c 100644 > --- a/drivers/scsi/ufs/ufs-hisi.c > +++ b/drivers/scsi/ufs/ufs-hisi.c > @@ -235,7 +235,7 @@ static int ufs_hisi_link_startup_pre_change(struct > ufs_hba *hba) > ufshcd_writel(hba, reg, REG_AUTO_HIBERNATE_IDLE_TIMER); > > /* Unipro PA_Local_TX_LCC_Enable */ > - ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0x155E, 0x0), 0x0); > + ufshcd_disable_host_tx_lcc(hba); > /* close Unipro VS_Mk2ExtnSupport */ > ufshcd_dme_set(hba, UIC_ARG_MIB_SEL(0xD0AB, 0x0), 0x0); > ufshcd_dme_get(hba, UIC_ARG_MIB_SEL(0xD0AB, 0x0), &value); > diff --git a/drivers/scsi/ufs/ufs-mediatek.c > b/drivers/scsi/ufs/ufs-mediatek.c > index 8f73c860f423..9d05962feb15 100644 > --- a/drivers/scsi/ufs/ufs-mediatek.c > +++ b/drivers/scsi/ufs/ufs-mediatek.c > @@ -318,7 +318,7 @@ static int ufs_mtk_pre_link(struct ufs_hba *hba) > * to make sure that both host and device TX LCC are disabled > * once link startup is completed. > */ > - ret = ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > + ret = ufshcd_disable_host_tx_lcc(hba); > if (ret) > return ret; > > diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c > index c69c29a1ceb9..c2e703d58f63 100644 > --- a/drivers/scsi/ufs/ufs-qcom.c > +++ b/drivers/scsi/ufs/ufs-qcom.c > @@ -554,9 +554,7 @@ static int ufs_qcom_link_startup_notify(struct > ufs_hba *hba, > * completed. > */ > if (ufshcd_get_local_unipro_ver(hba) != UFS_UNIPRO_VER_1_41) > - err = ufshcd_dme_set(hba, > - UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), > - 0); > + err = ufshcd_disable_host_tx_lcc(hba); > > break; > case POST_CHANGE: > diff --git a/drivers/scsi/ufs/ufshcd-pci.c > b/drivers/scsi/ufs/ufshcd-pci.c > index 3b19de3ae9a3..8f78a8151499 100644 > --- a/drivers/scsi/ufs/ufshcd-pci.c > +++ b/drivers/scsi/ufs/ufshcd-pci.c > @@ -44,7 +44,7 @@ static int ufs_intel_disable_lcc(struct ufs_hba *hba) > > ufshcd_dme_get(hba, attr, &lcc_enable); > if (lcc_enable) > - ufshcd_dme_set(hba, attr, 0); > + ufshcd_disable_host_tx_lcc(hba); > > return 0; > } > diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h > index 81c71a3e3474..8f516b205c32 100644 > --- a/drivers/scsi/ufs/ufshcd.h > +++ b/drivers/scsi/ufs/ufshcd.h > @@ -914,6 +914,11 @@ static inline bool ufshcd_is_hs_mode(struct > ufs_pa_layer_attr *pwr_info) > pwr_info->pwr_tx == FASTAUTO_MODE); > } > > +static inline int ufshcd_disable_host_tx_lcc(struct ufs_hba *hba) > +{ > + return ufshcd_dme_set(hba, UIC_ARG_MIB(PA_LOCAL_TX_LCC_ENABLE), 0); > +} > + > /* Expose Query-Request API */ > int ufshcd_query_descriptor_retry(struct ufs_hba *hba, > enum query_opcode opcode,
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