From: Aaron Lu <aaron.lu@amd.com>
To: Subhash Jadavani <subhashj@codeaurora.org>
Cc: linux-mmc@vger.kernel.org, linux-arm-msm@vger.kernel.org,
arindam.nath@amd.com
Subject: Re: [PATCH v2 1/1] mmc: bus: print bus speed mode of UHS-I card
Date: Fri, 30 Mar 2012 16:51:36 +0800 [thread overview]
Message-ID: <20120330085135.GA13563@ladygaga> (raw)
In-Reply-To: <1333089618-20627-1-git-send-email-subhashj@codeaurora.org>
Hi,
On Fri, Mar 30, 2012 at 12:10:18PM +0530, Subhash Jadavani wrote:
> When UHS-I card is detected also print the bus speed mode
> in which UHS-I card will be running.
>
> Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Acked-by: Aaron Lu <aaron.lu@amd.com>
-Aaron
> ---
> drivers/mmc/core/bus.c | 17 +++++++++++++++--
> 1 files changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> index 5d011a3..3f60606 100644
> --- a/drivers/mmc/core/bus.c
> +++ b/drivers/mmc/core/bus.c
> @@ -267,6 +267,15 @@ int mmc_add_card(struct mmc_card *card)
> {
> int ret;
> const char *type;
> + const char *uhs_bus_speed_mode = "";
> + static const char *const uhs_speeds[] = {
> + [UHS_SDR12_BUS_SPEED] = "SDR12 ",
> + [UHS_SDR25_BUS_SPEED] = "SDR25 ",
> + [UHS_SDR50_BUS_SPEED] = "SDR50 ",
> + [UHS_SDR104_BUS_SPEED] = "SDR104 ",
> + [UHS_DDR50_BUS_SPEED] = "DDR50 ",
> + };
> +
>
> dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
>
> @@ -296,6 +305,10 @@ int mmc_add_card(struct mmc_card *card)
> break;
> }
>
> + if (mmc_sd_card_uhs(card) &&
> + (card->sd_bus_speed < ARRAY_SIZE(uhs_speeds)))
> + uhs_bus_speed_mode = uhs_speeds[card->sd_bus_speed];
> +
> if (mmc_host_is_spi(card->host)) {
> pr_info("%s: new %s%s%s card on SPI\n",
> mmc_hostname(card->host),
> @@ -303,13 +316,13 @@ int mmc_add_card(struct mmc_card *card)
> mmc_card_ddr_mode(card) ? "DDR " : "",
> type);
> } else {
> - pr_info("%s: new %s%s%s%s card at address %04x\n",
> + pr_info("%s: new %s%s%s%s%s card at address %04x\n",
> mmc_hostname(card->host),
> mmc_card_uhs(card) ? "ultra high speed " :
> (mmc_card_highspeed(card) ? "high speed " : ""),
> (mmc_card_hs200(card) ? "HS200 " : ""),
> mmc_card_ddr_mode(card) ? "DDR " : "",
> - type, card->rca);
> + uhs_bus_speed_mode, type, card->rca);
> }
>
> #ifdef CONFIG_DEBUG_FS
> --
> 1.7.1.1
>
> --
> Sent by a consultant of the Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
>
next prev parent reply other threads:[~2012-03-30 8:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-30 6:40 [PATCH v2 1/1] mmc: bus: print bus speed mode of UHS-I card Subhash Jadavani
2012-03-30 8:51 ` Aaron Lu [this message]
2012-03-30 8:58 ` Namjae Jeon
2012-04-01 4:29 ` Chris Ball
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120330085135.GA13563@ladygaga \
--to=aaron.lu@amd.com \
--cc=arindam.nath@amd.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-mmc@vger.kernel.org \
--cc=subhashj@codeaurora.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox