From: Adrian Hunter <adrian.hunter@intel.com>
To: Akshu Agrawal <akshu.agrawal@amd.com>
Cc: rrangel@google.com, nehal-bakulchandra.shah@amd.com,
Ulf Hansson <ulf.hansson@linaro.org>,
linux-mmc@vger.kernel.org,
open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mmc: sdhci-acpi: For amd device set driver type as MMC_SET_DRIVER_TYPE_A
Date: Wed, 1 Jul 2020 13:43:40 +0300 [thread overview]
Message-ID: <b51faa2a-f465-581b-05bc-81677c8c1071@intel.com> (raw)
In-Reply-To: <20200623133347.4598-1-akshu.agrawal@amd.com>
On 23/06/20 4:33 pm, Akshu Agrawal wrote:
> HS400/HS200/eMMC HS doesn't have Preset Value register.
> Hence, sdhci_set_ios function overrides the value set by fmw to
> SDHCI_CTRL_DRV_TYPE_B.
> This patch sets drv_type to MMC_SET_DRIVER_TYPE_A
> so that host_control2 register gets updated with the required
> strength value.
>
> Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
> ---
> drivers/mmc/host/sdhci-acpi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
> index d8b76cb8698a..48ecbd0b180d 100644
> --- a/drivers/mmc/host/sdhci-acpi.c
> +++ b/drivers/mmc/host/sdhci-acpi.c
> @@ -542,6 +542,7 @@ static int amd_select_drive_strength(struct mmc_card *card,
> unsigned int max_dtr, int host_drv,
> int card_drv, int *drv_type)
> {
> + *drv_type = MMC_SET_DRIVER_TYPE_A;
> return MMC_SET_DRIVER_TYPE_A;
> }
>
>
next prev parent reply other threads:[~2020-07-01 10:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-23 13:33 [PATCH] mmc: sdhci-acpi: For amd device set driver type as MMC_SET_DRIVER_TYPE_A Akshu Agrawal
2020-07-01 10:43 ` Adrian Hunter [this message]
2020-07-06 14:49 ` Ulf Hansson
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