From 109b5bed18441599b5ab0e1f3623efa5715a4703 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Mon, 23 Jul 2007 00:12:10 +0200 Subject: [PATCH] mmc: be more verbose about card insertions/removal Let the user know that the kernel actually detected the card by printing some basic information in dmesg. Signed-off-by: Pierre Ossman --- drivers/mmc/core/bus.c | 23 +++++++++++++++++++++++ drivers/mmc/core/mmc.c | 7 ++++++- drivers/mmc/core/sd.c | 7 ++++++- 3 files changed, 35 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 348b566..fe0e785 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -209,10 +209,30 @@ struct mmc_card *mmc_alloc_card(struct mmc_host *host) int mmc_add_card(struct mmc_card *card) { int ret; + const char *type; snprintf(card->dev.bus_id, sizeof(card->dev.bus_id), "%s:%04x", mmc_hostname(card->host), card->rca); + switch (card->type) { + case MMC_TYPE_MMC: + type = "MMC"; + break; + case MMC_TYPE_SD: + type = "SD"; + if (mmc_card_blockaddr(card)) + type = "SDHC"; + break; + default: + type = "?"; + break; + } + + printk(KERN_INFO "%s: new %s%s card at address %04x\n", + mmc_hostname(card->host), + mmc_card_highspeed(card) ? "high speed " : "", + type, card->rca); + card->dev.uevent_suppress = 1; ret = device_add(&card->dev); @@ -243,6 +263,9 @@ int mmc_add_card(struct mmc_card *card) void mmc_remove_card(struct mmc_card *card) { if (mmc_card_present(card)) { + printk(KERN_INFO "%s: card %04x removed\n", + mmc_hostname(card->host), card->rca); + if (card->host->bus_ops->sysfs_remove) card->host->bus_ops->sysfs_remove(card->host, card); device_del(&card->dev); diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index cd0c6b2..f606b66 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -556,8 +556,10 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr) /* * Can we support the voltage of the card? */ - if (!host->ocr) + if (!host->ocr) { + err = -EINVAL; goto err; + } /* * Detect and init the card. @@ -582,6 +584,9 @@ err: mmc_detach_bus(host); mmc_release_host(host); + printk(KERN_ERR "%s: error %d whilst initialising MMC card\n", + mmc_hostname(host), err); + return 0; } diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index 0b478de..b6a2e53 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -637,8 +637,10 @@ int mmc_attach_sd(struct mmc_host *host, u32 ocr) /* * Can we support the voltage(s) of the card(s)? */ - if (!host->ocr) + if (!host->ocr) { + err = -EINVAL; goto err; + } /* * Detect and init the card. @@ -663,6 +665,9 @@ err: mmc_detach_bus(host); mmc_release_host(host); + printk(KERN_ERR "%s: error %d whilst initialising SD card\n", + mmc_hostname(host), err); + return 0; } -- 2.7.4