#include <linux/of_irq.h>
#include <linux/of_gpio.h>
#include <linux/of_device.h>
-#include <linux/omap-dmaengine.h>
#include <linux/mmc/host.h>
#include <linux/mmc/core.h>
#include <linux/mmc/mmc.h>
return 0;
}
-static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
+static int omap_hsmmc_set_power(struct omap_hsmmc_host *host, int power_on,
+ int vdd)
{
- struct omap_hsmmc_host *host =
- platform_get_drvdata(to_platform_device(dev));
struct mmc_host *mmc = host->mmc;
int ret = 0;
if (mmc_pdata(host)->set_power)
- return mmc_pdata(host)->set_power(dev, power_on, vdd);
+ return mmc_pdata(host)->set_power(host->dev, power_on, vdd);
/*
* If we don't see a Vcc regulator, assume it's a fixed
return 0;
if (mmc_pdata(host)->before_set_reg)
- mmc_pdata(host)->before_set_reg(dev, power_on, vdd);
+ mmc_pdata(host)->before_set_reg(host->dev, power_on, vdd);
ret = omap_hsmmc_set_pbias(host, false, 0);
if (ret)
}
if (mmc_pdata(host)->after_set_reg)
- mmc_pdata(host)->after_set_reg(dev, power_on, vdd);
+ mmc_pdata(host)->after_set_reg(host->dev, power_on, vdd);
return 0;
return;
host->mrq = NULL;
mmc_request_done(host->mmc, mrq);
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
}
/*
int ret;
/* Disable the clocks */
- pm_runtime_put_sync(host->dev);
if (host->dbclk)
clk_disable_unprepare(host->dbclk);
/* Turn the power off */
- ret = omap_hsmmc_set_power(host->dev, 0, 0);
+ ret = omap_hsmmc_set_power(host, 0, 0);
/* Turn the power ON with given VDD 1.8 or 3.0v */
if (!ret)
- ret = omap_hsmmc_set_power(host->dev, 1, vdd);
- pm_runtime_get_sync(host->dev);
+ ret = omap_hsmmc_set_power(host, 1, vdd);
if (host->dbclk)
clk_prepare_enable(host->dbclk);
host->mrq = NULL;
mmc_request_done(host->mmc, mrq);
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
}
}
static int omap_hsmmc_setup_dma_transfer(struct omap_hsmmc_host *host,
struct mmc_request *req)
{
- struct dma_slave_config cfg;
struct dma_async_tx_descriptor *tx;
int ret = 0, i;
struct mmc_data *data = req->data;
struct dma_chan *chan;
+ struct dma_slave_config cfg = {
+ .src_addr = host->mapbase + OMAP_HSMMC_DATA,
+ .dst_addr = host->mapbase + OMAP_HSMMC_DATA,
+ .src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+ .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES,
+ .src_maxburst = data->blksz / 4,
+ .dst_maxburst = data->blksz / 4,
+ };
/* Sanity check: all the SG entries must be aligned by block size. */
for (i = 0; i < data->sg_len; i++) {
chan = omap_hsmmc_get_dma_chan(host, data);
- cfg.src_addr = host->mapbase + OMAP_HSMMC_DATA;
- cfg.dst_addr = host->mapbase + OMAP_HSMMC_DATA;
- cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
- cfg.src_maxburst = data->blksz / 4;
- cfg.dst_maxburst = data->blksz / 4;
-
ret = dmaengine_slave_config(chan, &cfg);
if (ret)
return ret;
BUG_ON(host->req_in_progress);
BUG_ON(host->dma_ch != -1);
- pm_runtime_get_sync(host->dev);
if (host->protect_card) {
if (host->reqs_blocked < 3) {
/*
req->data->error = -EBADF;
req->cmd->retries = 0;
mmc_request_done(mmc, req);
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
return;
} else if (host->reqs_blocked)
host->reqs_blocked = 0;
req->data->error = err;
host->mrq = NULL;
mmc_request_done(mmc, req);
- pm_runtime_mark_last_busy(host->dev);
- pm_runtime_put_autosuspend(host->dev);
return;
}
if (req->sbc && !(host->flags & AUTO_CMD23)) {
struct omap_hsmmc_host *host = mmc_priv(mmc);
int do_send_init_stream = 0;
- pm_runtime_get_sync(host->dev);
-
if (ios->power_mode != host->power_mode) {
switch (ios->power_mode) {
case MMC_POWER_OFF:
- omap_hsmmc_set_power(host->dev, 0, 0);
+ omap_hsmmc_set_power(host, 0, 0);
break;
case MMC_POWER_UP:
- omap_hsmmc_set_power(host->dev, 1, ios->vdd);
+ omap_hsmmc_set_power(host, 1, ios->vdd);
break;
case MMC_POWER_ON:
do_send_init_stream = 1;
send_init_stream(host);
omap_hsmmc_set_bus_mode(host);
-
- pm_runtime_put_autosuspend(host->dev);
}
static int omap_hsmmc_get_cd(struct mmc_host *mmc)
static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
{
- struct omap_hsmmc_platform_data *pdata;
+ struct omap_hsmmc_platform_data *pdata, *legacy;
struct device_node *np = dev->of_node;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return ERR_PTR(-ENOMEM); /* out of memory */
+ legacy = dev_get_platdata(dev);
+ if (legacy && legacy->name)
+ pdata->name = legacy->name;
+
if (of_find_property(np, "ti,dual-volt", NULL))
pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;
struct resource *res;
int ret, irq;
const struct of_device_id *match;
- dma_cap_mask_t mask;
- unsigned tx_req, rx_req;
const struct omap_mmc_of_data *data;
void __iomem *base;
omap_hsmmc_conf_bus_power(host);
- if (!pdev->dev.of_node) {
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
- if (!res) {
- dev_err(mmc_dev(host->mmc), "cannot get DMA TX channel\n");
- ret = -ENXIO;
- goto err_irq;
- }
- tx_req = res->start;
-
- res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
- if (!res) {
- dev_err(mmc_dev(host->mmc), "cannot get DMA RX channel\n");
- ret = -ENXIO;
- goto err_irq;
- }
- rx_req = res->start;
- }
-
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
-
- host->rx_chan =
- dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
- &rx_req, &pdev->dev, "rx");
-
- if (!host->rx_chan) {
- dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel\n");
- ret = -ENXIO;
+ host->rx_chan = dma_request_chan(&pdev->dev, "rx");
+ if (IS_ERR(host->rx_chan)) {
+ dev_err(mmc_dev(host->mmc), "RX DMA channel request failed\n");
+ ret = PTR_ERR(host->rx_chan);
goto err_irq;
}
- host->tx_chan =
- dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
- &tx_req, &pdev->dev, "tx");
-
- if (!host->tx_chan) {
- dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel\n");
- ret = -ENXIO;
+ host->tx_chan = dma_request_chan(&pdev->dev, "tx");
+ if (IS_ERR(host->tx_chan)) {
+ dev_err(mmc_dev(host->mmc), "TX DMA channel request failed\n");
+ ret = PTR_ERR(host->tx_chan);
goto err_irq;
}
mmc_remove_host(mmc);
err_irq:
device_init_wakeup(&pdev->dev, false);
- if (host->tx_chan)
+ if (!IS_ERR_OR_NULL(host->tx_chan))
dma_release_channel(host->tx_chan);
- if (host->rx_chan)
+ if (!IS_ERR_OR_NULL(host->rx_chan))
dma_release_channel(host->rx_chan);
pm_runtime_dont_use_autosuspend(host->dev);
pm_runtime_put_sync(host->dev);
projects / cascardo / linux.git / blobdiff