struct sh_mmcif_plat_data *pdata,
enum dma_transfer_direction direction)
{
- struct dma_slave_config cfg;
+ struct dma_slave_config cfg = { 0, };
struct dma_chan *chan;
unsigned int slave_id;
struct resource *res;
/* In the OF case the driver will get the slave ID from the DT */
cfg.slave_id = slave_id;
cfg.direction = direction;
- cfg.dst_addr = res->start + MMCIF_CE_DATA;
- cfg.src_addr = 0;
+
+ if (direction == DMA_DEV_TO_MEM) {
+ cfg.src_addr = res->start + MMCIF_CE_DATA;
+ cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ } else {
+ cfg.dst_addr = res->start + MMCIF_CE_DATA;
+ cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
+ }
+
ret = dmaengine_slave_config(chan, &cfg);
if (ret < 0) {
dma_release_channel(chan);
break;
}
switch (host->timing) {
- case MMC_TIMING_UHS_DDR50:
+ case MMC_TIMING_MMC_DDR52:
/*
* MMC core will only set this timing, if the host
- * advertises the MMC_CAP_UHS_DDR50 capability. MMCIF
- * implementations with this capability, e.g. sh73a0,
- * will have to set it in their platform data.
+ * advertises the MMC_CAP_1_8V_DDR/MMC_CAP_1_2V_DDR
+ * capability. MMCIF implementations with this
+ * capability, e.g. sh73a0, will have to set it
+ * in their platform data.
*/
tmp |= CMD_SET_DARS;
break;
dev_err(&pdev->dev, "Get irq error\n");
return -ENXIO;
}
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "platform_get_resource error.\n");
- return -ENXIO;
- }
- reg = ioremap(res->start, resource_size(res));
- if (!reg) {
- dev_err(&pdev->dev, "ioremap error.\n");
- return -ENOMEM;
- }
+ reg = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
mmc = mmc_alloc_host(sizeof(struct sh_mmcif_host), &pdev->dev);
- if (!mmc) {
- ret = -ENOMEM;
- goto ealloch;
- }
+ if (!mmc)
+ return -ENOMEM;
ret = mmc_of_parse(mmc);
if (ret < 0)
- goto eofparse;
+ goto err_host;
host = mmc_priv(mmc);
host->mmc = mmc;
pm_runtime_enable(&pdev->dev);
host->power = false;
- host->hclk = clk_get(&pdev->dev, NULL);
+ host->hclk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(host->hclk)) {
ret = PTR_ERR(host->hclk);
dev_err(&pdev->dev, "cannot get clock: %d\n", ret);
- goto eclkget;
+ goto err_pm;
}
ret = sh_mmcif_clk_update(host);
if (ret < 0)
- goto eclkupdate;
+ goto err_pm;
ret = pm_runtime_resume(&pdev->dev);
if (ret < 0)
- goto eresume;
+ goto err_clk;
INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work);
sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL);
name = irq[1] < 0 ? dev_name(&pdev->dev) : "sh_mmc:error";
- ret = request_threaded_irq(irq[0], sh_mmcif_intr, sh_mmcif_irqt, 0, name, host);
+ ret = devm_request_threaded_irq(&pdev->dev, irq[0], sh_mmcif_intr,
+ sh_mmcif_irqt, 0, name, host);
if (ret) {
dev_err(&pdev->dev, "request_irq error (%s)\n", name);
- goto ereqirq0;
+ goto err_clk;
}
if (irq[1] >= 0) {
- ret = request_threaded_irq(irq[1], sh_mmcif_intr, sh_mmcif_irqt,
- 0, "sh_mmc:int", host);
+ ret = devm_request_threaded_irq(&pdev->dev, irq[1],
+ sh_mmcif_intr, sh_mmcif_irqt,
+ 0, "sh_mmc:int", host);
if (ret) {
dev_err(&pdev->dev, "request_irq error (sh_mmc:int)\n");
- goto ereqirq1;
+ goto err_clk;
}
}
if (pd && pd->use_cd_gpio) {
ret = mmc_gpio_request_cd(mmc, pd->cd_gpio, 0);
if (ret < 0)
- goto erqcd;
+ goto err_clk;
}
mutex_init(&host->thread_lock);
- clk_disable_unprepare(host->hclk);
ret = mmc_add_host(mmc);
if (ret < 0)
- goto emmcaddh;
+ goto err_clk;
dev_pm_qos_expose_latency_limit(&pdev->dev, 100);
- dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION);
- dev_dbg(&pdev->dev, "chip ver H'%04x\n",
- sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff);
+ dev_info(&pdev->dev, "Chip version 0x%04x, clock rate %luMHz\n",
+ sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0xffff,
+ clk_get_rate(host->hclk) / 1000000UL);
+
+ clk_disable_unprepare(host->hclk);
return ret;
-emmcaddh:
-erqcd:
- if (irq[1] >= 0)
- free_irq(irq[1], host);
-ereqirq1:
- free_irq(irq[0], host);
-ereqirq0:
- pm_runtime_suspend(&pdev->dev);
-eresume:
+err_clk:
clk_disable_unprepare(host->hclk);
-eclkupdate:
- clk_put(host->hclk);
-eclkget:
+err_pm:
pm_runtime_disable(&pdev->dev);
-eofparse:
+err_host:
mmc_free_host(mmc);
-ealloch:
- iounmap(reg);
return ret;
}
static int sh_mmcif_remove(struct platform_device *pdev)
{
struct sh_mmcif_host *host = platform_get_drvdata(pdev);
- int irq[2];
host->dying = true;
clk_prepare_enable(host->hclk);
*/
cancel_delayed_work_sync(&host->timeout_work);
- if (host->addr)
- iounmap(host->addr);
-
- irq[0] = platform_get_irq(pdev, 0);
- irq[1] = platform_get_irq(pdev, 1);
-
- free_irq(irq[0], host);
- if (irq[1] >= 0)
- free_irq(irq[1], host);
-
clk_disable_unprepare(host->hclk);
mmc_free_host(host->mmc);
pm_runtime_put_sync(&pdev->dev);
projects / platform / adaptation / renesas_rcar / renesas_kernel.git / blobdiff