Hi Subhash,
On Fri, Mar 23, 2012 at 11:26:36AM +0530, Subhash Jadavani wrote:
> When UHS-I card is detected also print the bus speed mode
> in which UHS-I card will be running.
The patch looks correct to me, except that I' m not sure if this is
needed. /sys/kernel/debug/mmc/ios also has such info.
-Aaron
>
> Signed-off-by: Subhash Jadavani <subha...@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.
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