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dmaengine: Pass dma_slave_config .device_fc = NULL for all existing users

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.device_fc is added in struct dma_slave_config recently. All user drivers, which
want DMA to be the flow controller must pass this field as false. As earlier
driver don't look to use this feature, mark it false for now.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
This commit is contained in:
Viresh Kumar 2012-02-01 16:12:19 +05:30 committed by Vinod Koul
parent dcc043dc0c
commit 258aea76f5
7 changed files with 16 additions and 0 deletions
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2
drivers/mmc/host/mmci.c
View File

@ -30,6 +30,7 @@
#include <linux/dma-mapping.h>
#include <linux/amba/mmci.h>
#include <linux/pm_runtime.h>
#include <linux/types.h>
#include <asm/div64.h>
#include <asm/io.h>
@ -370,6 +371,7 @@ static int mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data,
.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
.src_maxburst = variant->fifohalfsize >> 2, /* # of words */
.dst_maxburst = variant->fifohalfsize >> 2, /* # of words */
.device_fc = false,
};
struct dma_chan *chan;
struct dma_device *device;

2
drivers/mmc/host/mxcmmc.c
View File

@ -33,6 +33,7 @@
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/dmaengine.h>
#include <linux/types.h>
#include <asm/dma.h>
#include <asm/irq.h>
@ -711,6 +712,7 @@ static int mxcmci_setup_dma(struct mmc_host *mmc)
config->src_addr_width = 4;
config->dst_maxburst = host->burstlen;
config->src_maxburst = host->burstlen;
config->device_fc = false;
return dmaengine_slave_config(host->dma, config);
}

3
drivers/spi/spi-dw-mid.c
View File

@ -22,6 +22,7 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
#include <linux/types.h>
#include "spi-dw.h"
@ -136,6 +137,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
txconf.dst_maxburst = LNW_DMA_MSIZE_16;
txconf.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
txconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
txconf.device_fc = false;
txchan->device->device_control(txchan, DMA_SLAVE_CONFIG,
(unsigned long) &txconf);
@ -158,6 +160,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
rxconf.src_maxburst = LNW_DMA_MSIZE_16;
rxconf.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
rxconf.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES;
rxconf.device_fc = false;
rxchan->device->device_control(rxchan, DMA_SLAVE_CONFIG,
(unsigned long) &rxconf);

2
drivers/spi/spi-pl022.c
View File

@ -901,10 +901,12 @@ static int configure_dma(struct pl022 *pl022)
struct dma_slave_config rx_conf = {
.src_addr = SSP_DR(pl022->phybase),
.direction = DMA_DEV_TO_MEM,
.device_fc = false,
};
struct dma_slave_config tx_conf = {
.dst_addr = SSP_DR(pl022->phybase),
.direction = DMA_MEM_TO_DEV,
.device_fc = false,
};
unsigned int pages;
int ret;

3
drivers/tty/serial/amba-pl011.c
View File

@ -51,6 +51,7 @@
#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
#include <linux/delay.h>
#include <linux/types.h>
#include <asm/io.h>
#include <asm/sizes.h>
@ -270,6 +271,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
.direction = DMA_MEM_TO_DEV,
.dst_maxburst = uap->fifosize >> 1,
.device_fc = false,
};
struct dma_chan *chan;
dma_cap_mask_t mask;
@ -303,6 +305,7 @@ static void pl011_dma_probe_initcall(struct uart_amba_port *uap)
.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE,
.direction = DMA_DEV_TO_MEM,
.src_maxburst = uap->fifosize >> 1,
.device_fc = false,
};
chan = dma_request_channel(mask, plat->dma_filter, plat->dma_rx_param);

1
drivers/usb/musb/ux500_dma.c
View File

@ -115,6 +115,7 @@ static bool ux500_configure_channel(struct dma_channel *channel,
slave_conf.dst_addr = usb_fifo_addr;
slave_conf.dst_addr_width = addr_width;
slave_conf.dst_maxburst = 16;
slave_conf.device_fc = false;
dma_chan->device->device_control(dma_chan, DMA_SLAVE_CONFIG,
(unsigned long) &slave_conf);

3
sound/soc/imx/imx-pcm-dma-mx2.c
View File

@ -21,6 +21,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dmaengine.h>
#include <linux/types.h>
#include <sound/core.h>
#include <sound/initval.h>
@ -108,6 +109,8 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
return 0;
}
slave_config.device_fc = false;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
slave_config.direction = DMA_MEM_TO_DEV;
slave_config.dst_addr = dma_params->dma_addr;