From: Inki Dae <inki.dae@samsung.com>
To: Chanho Park <chanho61.park@samsung.com>,
Alim Akhtar <alim.akhtar@samsung.com>,
Avri Altman <avri.altman@wdc.com>,
"James E . J . Bottomley" <jejb@linux.ibm.com>,
"Martin K . Petersen" <martin.petersen@oracle.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Bean Huo <beanhuo@micron.com>,
Bart Van Assche <bvanassche@acm.org>,
Adrian Hunter <adrian.hunter@intel.com>,
Christoph Hellwig <hch@infradead.org>,
Can Guo <cang@codeaurora.org>, Jaegeuk Kim <jaegeuk@kernel.org>,
Gyunghoon Kwon <goodjob.kwon@samsung.com>,
linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org,
cpgs@samsung.com
Subject: Re: [PATCH v3 03/17] scsi: ufs: ufs-exynos: change pclk available max value
Date: Mon, 27 Sep 2021 14:25:58 +0900 [thread overview]
Message-ID: <878274034.81632720182984.JavaMail.epsvc@epcpadp4> (raw)
In-Reply-To: <20210917065436.145629-4-chanho61.park@samsung.com>
Hi Chanho,
21. 9. 17. 오후 3:54에 Chanho Park 이(가) 쓴 글:
> To support 167MHz PCLK, we need to adjust the maximum value.
>
> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
> Signed-off-by: Chanho Park <chanho61.park@samsung.com>
> ---
> drivers/scsi/ufs/ufs-exynos.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/ufs/ufs-exynos.h b/drivers/scsi/ufs/ufs-exynos.h
> index dadf4fd10dd8..0a31f77a5f48 100644
> --- a/drivers/scsi/ufs/ufs-exynos.h
> +++ b/drivers/scsi/ufs/ufs-exynos.h
> @@ -99,7 +99,7 @@ struct exynos_ufs;
> #define PA_HIBERN8TIME_VAL 0x20
>
> #define PCLK_AVAIL_MIN 70000000
> -#define PCLK_AVAIL_MAX 133000000
> +#define PCLK_AVAIL_MAX 167000000
>
I'm not sure but doesn't the maximum clock frequency depend on a given machine? Is it true for all machines using different SoC?
Thanks,
Inki Dae
> struct exynos_ufs_uic_attr {
> /* TX Attributes */
>
next prev parent reply other threads:[~2021-09-27 5:23 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210917065522epcas2p2c9c7baccfc82b3798804c351dbf676eb@epcas2p2.samsung.com>
2021-09-17 6:54 ` [PATCH v3 00/17] introduce exynosauto v9 ufs driver Chanho Park
2021-09-17 6:54 ` [PATCH v3 01/17] scsi: ufs: add quirk to handle broken UIC command Chanho Park
2021-09-23 3:44 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 02/17] scsi: ufs: add quirk to enable host controller without ph configuration Chanho Park
2021-09-23 3:48 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 03/17] scsi: ufs: ufs-exynos: change pclk available max value Chanho Park
2021-09-27 5:25 ` Inki Dae [this message]
2021-09-27 6:46 ` Chanho Park
2021-09-27 7:11 ` Inki Dae
2021-09-27 11:08 ` Chanho Park
2021-09-28 2:18 ` Inki Dae
2021-09-17 6:54 ` [PATCH v3 04/17] scsi: ufs: ufs-exynos: simplify drv_data retrieval Chanho Park
2021-09-17 6:54 ` [PATCH v3 05/17] dt-bindings: ufs: exynos-ufs: add sysreg regmap property Chanho Park
2021-09-22 19:57 ` Rob Herring
2021-09-23 0:47 ` Chanho Park
2021-09-23 12:39 ` Rob Herring
2021-09-24 1:10 ` Chanho Park
2021-09-17 6:54 ` [PATCH v3 06/17] scsi: ufs: ufs-exynos: get sysreg regmap for io-coherency Chanho Park
2021-09-22 19:55 ` Rob Herring
2021-09-23 0:39 ` Chanho Park
2021-09-23 12:26 ` Rob Herring
2021-09-24 0:59 ` Chanho Park
2021-09-17 6:54 ` [PATCH v3 07/17] scsi: ufs: ufs-exynos: add refclkout_stop control Chanho Park
2021-09-17 6:54 ` [PATCH v3 08/17] scsi: ufs: ufs-exynos: add setup_clocks callback Chanho Park
2021-09-23 3:51 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 09/17] scsi: ufs: ufs-exynos: correct timeout value setting registers Chanho Park
2021-09-23 4:14 ` Alim Akhtar
2021-09-23 5:47 ` Chanho Park
2021-09-17 6:54 ` [PATCH v3 10/17] scsi: ufs: ufs-exynos: support custom version of ufs_hba_variant_ops Chanho Park
2021-09-23 4:28 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 11/17] scsi: ufs: ufs-exynos: add EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option Chanho Park
2021-09-23 4:32 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 12/17] scsi: ufs: ufs-exynos: factor out priv data init Chanho Park
2021-09-17 6:54 ` [PATCH v3 13/17] scsi: ufs: ufs-exynos: add pre/post_hce_enable drv callbacks Chanho Park
2021-09-23 4:51 ` Alim Akhtar
2021-09-17 6:54 ` [PATCH v3 14/17] scsi: ufs: ufs-exynos: support exynosauto v9 ufs driver Chanho Park
2021-09-17 6:54 ` [PATCH v3 15/17] scsi: ufs: ufs-exynos: multi-host configuration for exynosauto Chanho Park
2021-09-27 5:31 ` Inki Dae
2021-09-27 6:56 ` Chanho Park
2021-09-17 6:54 ` [PATCH v3 16/17] scsi: ufs: ufs-exynos: introduce exynosauto v9 virtual host Chanho Park
2021-09-17 6:54 ` [PATCH v3 17/17] dt-bindings: ufs: exynos-ufs: add exynosautov9 compatible Chanho Park
2021-09-22 19:58 ` Rob Herring
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