From mboxrd@z Thu Jan 1 00:00:00 1970 From: cedric@precidata.com (Cedric Berger) Date: Wed, 17 Apr 2013 22:42:52 +0200 (CEST) Subject: [PATCH 4/10] LPC32XX: 004-mmc.1: Enable dma for Phytec board Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Gabriele Mondada --- Enable DMA for phy3250. Without that, the mmc driver is unusable. Index: arch/arm/mach-lpc32xx/phy3250.c =================================================================== --- arch/arm/mach-lpc32xx/phy3250.c (revision 1732) +++ arch/arm/mach-lpc32xx/phy3250.c (revision 1733) @@ -168,6 +168,12 @@ .max_signal = 12, .periph_buses = PL08X_AHB1, }, + { + .bus_id = "mmc", + .min_signal = 4, + .max_signal = 4, + .periph_buses = PL08X_AHB1, + }, }; static int pl08x_get_signal(const struct pl08x_channel_data *cd) @@ -202,9 +208,13 @@ .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 */ + .dma_filter = pl08x_filter_id, + .dma_rx_param = "mmc", + /* + * When not defined, tx channel is the same as rx. + * Defining dma_tx_param with the same value as dma_rx_param does not + * work. + */ }; static struct lpc32xx_slc_platform_data lpc32xx_slc_data = {