diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 12 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 281683c93de6..5de845b6b4d0 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -349,6 +349,9 @@ static void __sdhci_led_activate(struct sdhci_host *host) { u8 ctrl; + if (host->quirks & SDHCI_QUIRK_NO_LED) + return; + ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); ctrl |= SDHCI_CTRL_LED; sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); @@ -358,6 +361,9 @@ static void __sdhci_led_deactivate(struct sdhci_host *host) { u8 ctrl; + if (host->quirks & SDHCI_QUIRK_NO_LED) + return; + ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); ctrl &= ~SDHCI_CTRL_LED; sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); @@ -387,6 +393,9 @@ static int sdhci_led_register(struct sdhci_host *host) { struct mmc_host *mmc = host->mmc; + if (host->quirks & SDHCI_QUIRK_NO_LED) + return 0; + snprintf(host->led_name, sizeof(host->led_name), "%s::", mmc_hostname(mmc)); @@ -400,6 +409,9 @@ static int sdhci_led_register(struct sdhci_host *host) static void sdhci_led_unregister(struct sdhci_host *host) { + if (host->quirks & SDHCI_QUIRK_NO_LED) + return; + led_classdev_unregister(&host->led); } diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index a306d2fa972f..6cc9a3c2ac66 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -408,6 +408,8 @@ struct sdhci_host { #define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) /* Controller does not like fast PIO transfers */ #define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18) +/* Controller does not have a LED */ +#define SDHCI_QUIRK_NO_LED (1<<19) /* Controller has to be forced to use block size of 2048 bytes */ #define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20) /* Controller cannot do multi-block transfers */ |