diff options
Diffstat (limited to 'drivers/mmc/host/atmel-mci.c')
-rw-r--r-- | drivers/mmc/host/atmel-mci.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index 388e4a3f13e6..97de2d32ba84 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -44,7 +44,7 @@ #include <asm/unaligned.h> /* - * Superset of MCI IP registers integrated in Atmel AVR32 and AT91 Processors + * Superset of MCI IP registers integrated in Atmel AT91 Processor * Registers and bitfields marked with [2] are only available in MCI2 */ @@ -172,13 +172,6 @@ #define atmci_writel(port, reg, value) \ __raw_writel((value), (port)->regs + reg) -/* On AVR chips the Peripheral DMA Controller is not connected to MCI. */ -#ifdef CONFIG_AVR32 -# define ATMCI_PDC_CONNECTED 0 -#else -# define ATMCI_PDC_CONNECTED 1 -#endif - #define AUTOSUSPEND_DELAY 50 #define ATMCI_DATA_ERROR_FLAGS (ATMCI_DCRCE | ATMCI_DTOE | ATMCI_OVRE | ATMCI_UNRE) @@ -667,10 +660,8 @@ atmci_of_init(struct platform_device *pdev) } pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - dev_err(&pdev->dev, "could not allocate memory for pdata\n"); + if (!pdata) return ERR_PTR(-ENOMEM); - } for_each_child_of_node(np, cnp) { if (of_property_read_u32(cnp, "reg", &slot_id)) { @@ -1549,21 +1540,8 @@ static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); break; default: - /* - * TODO: None of the currently available AVR32-based - * boards allow MMC power to be turned off. Implement - * power control when this can be tested properly. - * - * We also need to hook this into the clock management - * somehow so that newly inserted cards aren't - * subjected to a fast clock before we have a chance - * to figure out what the maximum rate is. Currently, - * there's no way to avoid this, and there never will - * be for boards that don't support power control. - */ break; } - } static int atmci_get_ro(struct mmc_host *mmc) @@ -2464,7 +2442,7 @@ static void atmci_get_cap(struct atmel_mci *host) "version: 0x%x\n", version); host->caps.has_dma_conf_reg = 0; - host->caps.has_pdc = ATMCI_PDC_CONNECTED; + host->caps.has_pdc = 1; host->caps.has_cfg_reg = 0; host->caps.has_cstor_reg = 0; host->caps.has_highspeed = 0; |