From: Subhash Jadavani <subhashj@codeaurora.org>
To: linux-mmc@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org, arindam.nath@amd.com,
Subhash Jadavani <subhashj@codeaurora.org>
Subject: [PATCH v1 1/1] mmc: bus: print bus speed mode of UHS-I card
Date: Fri, 23 Mar 2012 11:26:36 +0530 [thread overview]
Message-ID: <1332482196-22572-1-git-send-email-subhashj@codeaurora.org> (raw)
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>
---
drivers/mmc/core/bus.c | 26 +++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 5d011a3..0517a91 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -267,6 +267,7 @@ int mmc_add_card(struct mmc_card *card)
{
int ret;
const char *type;
+ const char *uhs_bus_speed_mode = "";
dev_set_name(&card->dev, "%s:%04x", mmc_hostname(card->host), card->rca);
@@ -296,6 +297,28 @@ int mmc_add_card(struct mmc_card *card)
break;
}
+ if (mmc_sd_card_uhs(card)) {
+ switch (card->sd_bus_speed) {
+ case UHS_SDR104_BUS_SPEED:
+ uhs_bus_speed_mode = "SDR104 ";
+ break;
+ case UHS_SDR50_BUS_SPEED:
+ uhs_bus_speed_mode = "SDR50 ";
+ break;
+ case UHS_DDR50_BUS_SPEED:
+ uhs_bus_speed_mode = "DDR50 ";
+ break;
+ case UHS_SDR25_BUS_SPEED:
+ uhs_bus_speed_mode = "SDR25 ";
+ break;
+ case UHS_SDR12_BUS_SPEED:
+ uhs_bus_speed_mode = "SDR12 ";
+ break;
+ default:
+ uhs_bus_speed_mode = "";
+ break;
+ }
+ }
if (mmc_host_is_spi(card->host)) {
pr_info("%s: new %s%s%s card on SPI\n",
mmc_hostname(card->host),
@@ -303,12 +326,13 @@ 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 " : "",
+ uhs_bus_speed_mode,
type, card->rca);
}
--
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 reply other threads:[~2012-03-23 5:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-23 5:56 Subhash Jadavani [this message]
2012-03-26 3:17 ` [PATCH v1 1/1] mmc: bus: print bus speed mode of UHS-I card Aaron Lu
2012-03-26 6:16 ` Subhash Jadavani
2012-03-26 6:30 ` Subhash Jadavani
2012-03-28 1:09 ` Aaron Lu
2012-03-26 6:25 ` Stephen Boyd
2012-04-01 3:55 ` Chris Ball
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