From: Adrian Hunter <adrian.hunter@intel.com>
To: Baolin Wang <baolin.wang@linaro.org>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
asutoshd@codeaurora.org, Orson Zhai <orsonzhai@gmail.com>,
Chunyan Zhang <zhang.lyra@gmail.com>,
Arnd Bergmann <arnd@arndb.de>,
Linus Walleij <linus.walleij@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
baolin.wang7@gmail.com, linux-mmc <linux-mmc@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v5 4/4] mmc: host: sdhci: Add a variable to defer to complete data requests if needed
Date: Fri, 8 Nov 2019 13:23:40 +0200 [thread overview]
Message-ID: <0c70b5cf-4453-b21b-5622-f97ff069cf1b@intel.com> (raw)
In-Reply-To: <CAMz4ku+KVWw-M4AaPJ=Yn8xeLNaD2W4+gVqEN_P0QRwne3wwzA@mail.gmail.com>
On 8/11/19 1:08 PM, Baolin Wang wrote:
> On 06/11/2019, Baolin Wang <baolin.wang@linaro.org> wrote:
>> On Wed, 6 Nov 2019 at 20:02, Adrian Hunter <adrian.hunter@intel.com> wrote:
>>>
>>> To move ahead in the meantime without a new host API, just defer always
>
> Before new version, I want to make things clear in case I
> misunderstood your points, so you mean I should set always_defer_done
> = true for our Spreadtrum host driver in this patch? Or just like
> below patch? Thanks.
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 850241f..4bef066 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -3035,7 +3035,7 @@ static inline bool sdhci_defer_done(struct
> sdhci_host *host,
> {
> struct mmc_data *data = mrq->data;
>
> - return host->pending_reset ||
> + return host->pending_reset || host->always_defer_done ||
> ((host->flags & SDHCI_REQ_USE_DMA) && data &&
> data->host_cookie == COOKIE_MAPPED);
> }
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index d89cdb9..a73ce89 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -533,6 +533,7 @@ struct sdhci_host {
> bool pending_reset; /* Cmd/data reset is pending */
> bool irq_wake_enabled; /* IRQ wakeup is enabled */
> bool v4_mode; /* Host Version 4 Enable */
> + bool always_defer_done; /* Always defer to complete requests */
>
> struct mmc_request *mrqs_done[SDHCI_MAX_MRQS]; /* Requests done */
> struct mmc_command *cmd; /* Current command */
>
Yes
next prev parent reply other threads:[~2019-11-08 11:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-29 5:43 [PATCH v5 0/4] Add MMC software queue support Baolin Wang
2019-10-29 5:43 ` [PATCH v5 1/4] mmc: Add MMC host " Baolin Wang
2019-10-29 5:43 ` [PATCH v5 2/4] mmc: host: sdhci: Add request_done ops for struct sdhci_ops Baolin Wang
2019-10-29 5:43 ` [PATCH v5 3/4] mmc: host: sdhci-sprd: Add software queue support Baolin Wang
2019-10-29 5:43 ` [PATCH v5 4/4] mmc: host: sdhci: Add a variable to defer to complete data requests if needed Baolin Wang
2019-11-06 10:09 ` Adrian Hunter
2019-11-06 10:48 ` Baolin Wang
2019-11-06 12:01 ` Adrian Hunter
2019-11-06 12:17 ` Baolin Wang
2019-11-08 11:08 ` Baolin Wang
2019-11-08 11:23 ` Adrian Hunter [this message]
2019-11-08 11:27 ` Baolin Wang
2019-11-06 9:42 ` [PATCH v5 0/4] Add MMC software queue support Baolin Wang
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