diff options
| -rw-r--r-- | arch/arm/mach-lpc32xx/phy3250.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/mmci.c | 24 | ||||
| -rw-r--r-- | include/linux/amba/mmci.h | 17 |
3 files changed, 1 insertions, 43 deletions
diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c index 34932e0e31f..7858d5b6f6c 100644 --- a/arch/arm/mach-lpc32xx/phy3250.c +++ b/arch/arm/mach-lpc32xx/phy3250.c @@ -202,9 +202,6 @@ static struct mmci_platform_data lpc32xx_mmci_data = { .ocr_mask = MMC_VDD_30_31 | MMC_VDD_31_32 | MMC_VDD_32_33 | MMC_VDD_33_34, .ios_handler = mmc_handle_ios, - .dma_filter = NULL, - /* No DMA for now since AMBA PL080 dmaengine driver only does scatter - * gather, and the MMCI driver doesn't do it this way */ }; static struct lpc32xx_slc_platform_data lpc32xx_slc_data = { diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 758efea184c..a084edd37af 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -366,7 +366,6 @@ static void mmci_init_sg(struct mmci_host *host, struct mmc_data *data) #ifdef CONFIG_DMA_ENGINE static void mmci_dma_setup(struct mmci_host *host) { - struct mmci_platform_data *plat = host->plat; const char *rxname, *txname; dma_cap_mask_t mask; @@ -380,25 +379,6 @@ static void mmci_dma_setup(struct mmci_host *host) dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - if (plat && plat->dma_filter) { - if (!host->dma_rx_channel && plat->dma_rx_param) { - host->dma_rx_channel = dma_request_channel(mask, - plat->dma_filter, - plat->dma_rx_param); - /* E.g if no DMA hardware is present */ - if (!host->dma_rx_channel) - dev_err(mmc_dev(host->mmc), "no RX DMA channel\n"); - } - - if (!host->dma_tx_channel && plat->dma_tx_param) { - host->dma_tx_channel = dma_request_channel(mask, - plat->dma_filter, - plat->dma_tx_param); - if (!host->dma_tx_channel) - dev_warn(mmc_dev(host->mmc), "no TX DMA channel\n"); - } - } - /* * If only an RX channel is specified, the driver will * attempt to use it bidirectionally, however if it is @@ -446,11 +426,9 @@ static void mmci_dma_setup(struct mmci_host *host) */ static inline void mmci_dma_release(struct mmci_host *host) { - struct mmci_platform_data *plat = host->plat; - if (host->dma_rx_channel) dma_release_channel(host->dma_rx_channel); - if (host->dma_tx_channel && plat->dma_tx_param) + if (host->dma_tx_channel) dma_release_channel(host->dma_tx_channel); host->dma_rx_channel = host->dma_tx_channel = NULL; } diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h index 3f95d32d527..8c98113069c 100644 --- a/include/linux/amba/mmci.h +++ b/include/linux/amba/mmci.h @@ -6,9 +6,6 @@ #include <linux/mmc/host.h> -/* Just some dummy forwarding */ -struct dma_chan; - /** * struct mmci_platform_data - platform configuration for the MMCI * (also known as PL180) block. @@ -26,17 +23,6 @@ struct dma_chan; * @gpio_wp: read this GPIO pin to see if the card is write protected * @gpio_cd: read this GPIO pin to detect card insertion * @cd_invert: true if the gpio_cd pin value is active low - * @dma_filter: function used to select an appropriate RX and TX - * DMA channel to be used for DMA, if and only if you're deploying the - * generic DMA engine - * @dma_rx_param: parameter passed to the DMA allocation - * filter in order to select an appropriate RX channel. If - * there is a bidirectional RX+TX channel, then just specify - * this and leave dma_tx_param set to NULL - * @dma_tx_param: parameter passed to the DMA allocation - * filter in order to select an appropriate TX channel. If this - * is NULL the driver will attempt to use the RX channel as a - * bidirectional channel */ struct mmci_platform_data { unsigned int ocr_mask; @@ -45,9 +31,6 @@ struct mmci_platform_data { int gpio_wp; int gpio_cd; bool cd_invert; - bool (*dma_filter)(struct dma_chan *chan, void *filter_param); - void *dma_rx_param; - void *dma_tx_param; }; #endif |