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path: root/drivers/mmc/host/renesas_sdhi_internal_dmac.c
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Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_internal_dmac.c')
-rw-r--r--drivers/mmc/host/renesas_sdhi_internal_dmac.c59
1 files changed, 31 insertions, 28 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 53d34c3eddce..f6ebb7bc7ede 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -11,13 +11,13 @@
#include <linux/device.h>
#include <linux/dma-mapping.h>
#include <linux/io-64-nonatomic-hi-lo.h>
-#include <linux/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/platform_device.h>
#include <linux/pagemap.h>
+#include <linux/platform_data/tmio.h>
+#include <linux/platform_device.h>
#include <linux/scatterlist.h>
#include <linux/sys_soc.h>
@@ -106,7 +106,8 @@ static const struct renesas_sdhi_of_data of_data_rza2 = {
static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
- TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
+ TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2 |
+ TMIO_MMC_64BIT_DATA_PORT,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
@@ -122,7 +123,8 @@ static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
static const struct renesas_sdhi_of_data of_data_rcar_gen3_no_sdh_fallback = {
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
- TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
+ TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2 |
+ TMIO_MMC_64BIT_DATA_PORT,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
@@ -210,7 +212,7 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r8a77990 = {
.manual_tap_correction = true,
};
-static const struct renesas_sdhi_quirks sdhi_quirks_r9a09g011 = {
+static const struct renesas_sdhi_quirks sdhi_quirks_rzg2l = {
.fixed_addr_mode = true,
.hs400_disabled = true,
};
@@ -255,9 +257,9 @@ static const struct renesas_sdhi_of_data_with_quirks of_r8a77990_compatible = {
.quirks = &sdhi_quirks_r8a77990,
};
-static const struct renesas_sdhi_of_data_with_quirks of_r9a09g011_compatible = {
+static const struct renesas_sdhi_of_data_with_quirks of_rzg2l_compatible = {
.of_data = &of_data_rcar_gen3,
- .quirks = &sdhi_quirks_r9a09g011,
+ .quirks = &sdhi_quirks_rzg2l,
};
static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_compatible = {
@@ -283,7 +285,9 @@ static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
{ .compatible = "renesas,sdhi-r8a77970", .data = &of_r8a77970_compatible, },
{ .compatible = "renesas,sdhi-r8a77990", .data = &of_r8a77990_compatible, },
{ .compatible = "renesas,sdhi-r8a77995", .data = &of_rcar_gen3_nohs400_compatible, },
- { .compatible = "renesas,sdhi-r9a09g011", .data = &of_r9a09g011_compatible, },
+ { .compatible = "renesas,sdhi-r9a09g011", .data = &of_rzg2l_compatible, },
+ { .compatible = "renesas,sdhi-r9a09g057", .data = &of_rzg2l_compatible, },
+ { .compatible = "renesas,rzg2l-sdhi", .data = &of_rzg2l_compatible, },
{ .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },
{ .compatible = "renesas,rcar-gen4-sdhi", .data = &of_rcar_gen3_compatible, },
{},
@@ -336,7 +340,7 @@ static bool renesas_sdhi_internal_dmac_dma_irq(struct tmio_mmc_host *host)
writel(status ^ dma_irqs, host->ctl + DM_CM_INFO1);
set_bit(SDHI_DMA_END_FLAG_DMA, &dma_priv->end_flags);
if (test_bit(SDHI_DMA_END_FLAG_ACCESS, &dma_priv->end_flags))
- tasklet_schedule(&dma_priv->dma_complete);
+ queue_work(system_bh_wq, &dma_priv->dma_complete);
}
return status & dma_irqs;
@@ -351,7 +355,7 @@ renesas_sdhi_internal_dmac_dataend_dma(struct tmio_mmc_host *host)
set_bit(SDHI_DMA_END_FLAG_ACCESS, &dma_priv->end_flags);
if (test_bit(SDHI_DMA_END_FLAG_DMA, &dma_priv->end_flags) ||
host->data->error)
- tasklet_schedule(&dma_priv->dma_complete);
+ queue_work(system_bh_wq, &dma_priv->dma_complete);
}
/*
@@ -439,9 +443,9 @@ force_pio:
renesas_sdhi_internal_dmac_enable_dma(host, false);
}
-static void renesas_sdhi_internal_dmac_issue_tasklet_fn(unsigned long arg)
+static void renesas_sdhi_internal_dmac_issue_work_fn(struct work_struct *work)
{
- struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+ struct tmio_mmc_host *host = from_work(host, work, dma_issue);
struct renesas_sdhi *priv = host_to_priv(host);
tmio_mmc_enable_mmc_irqs(host, TMIO_STAT_DATAEND);
@@ -453,7 +457,7 @@ static void renesas_sdhi_internal_dmac_issue_tasklet_fn(unsigned long arg)
/* on CMD errors, simulate DMA end immediately */
set_bit(SDHI_DMA_END_FLAG_DMA, &priv->dma_priv.end_flags);
if (test_bit(SDHI_DMA_END_FLAG_ACCESS, &priv->dma_priv.end_flags))
- tasklet_schedule(&priv->dma_priv.dma_complete);
+ queue_work(system_bh_wq, &priv->dma_priv.dma_complete);
}
}
@@ -483,9 +487,11 @@ static bool renesas_sdhi_internal_dmac_complete(struct tmio_mmc_host *host)
return true;
}
-static void renesas_sdhi_internal_dmac_complete_tasklet_fn(unsigned long arg)
+static void renesas_sdhi_internal_dmac_complete_work_fn(struct work_struct *work)
{
- struct tmio_mmc_host *host = (struct tmio_mmc_host *)arg;
+ struct renesas_sdhi_dma *dma_priv = from_work(dma_priv, work, dma_complete);
+ struct renesas_sdhi *priv = container_of(dma_priv, typeof(*priv), dma_priv);
+ struct tmio_mmc_host *host = priv->host;
spin_lock_irq(&host->lock);
if (!renesas_sdhi_internal_dmac_complete(host))
@@ -543,12 +549,10 @@ renesas_sdhi_internal_dmac_request_dma(struct tmio_mmc_host *host,
/* Each value is set to non-zero to assume "enabling" each DMA */
host->chan_rx = host->chan_tx = (void *)0xdeadbeaf;
- tasklet_init(&priv->dma_priv.dma_complete,
- renesas_sdhi_internal_dmac_complete_tasklet_fn,
- (unsigned long)host);
- tasklet_init(&host->dma_issue,
- renesas_sdhi_internal_dmac_issue_tasklet_fn,
- (unsigned long)host);
+ INIT_WORK(&priv->dma_priv.dma_complete,
+ renesas_sdhi_internal_dmac_complete_work_fn);
+ INIT_WORK(&host->dma_issue,
+ renesas_sdhi_internal_dmac_issue_work_fn);
/* Add pre_req and post_req */
host->ops.pre_req = renesas_sdhi_internal_dmac_pre_req;
@@ -595,22 +599,21 @@ static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev)
}
static const struct dev_pm_ops renesas_sdhi_internal_dmac_dev_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
- pm_runtime_force_resume)
- SET_RUNTIME_PM_OPS(tmio_mmc_host_runtime_suspend,
- tmio_mmc_host_runtime_resume,
- NULL)
+ SYSTEM_SLEEP_PM_OPS(renesas_sdhi_suspend, renesas_sdhi_resume)
+ RUNTIME_PM_OPS(tmio_mmc_host_runtime_suspend,
+ tmio_mmc_host_runtime_resume,
+ NULL)
};
static struct platform_driver renesas_internal_dmac_sdhi_driver = {
.driver = {
.name = "renesas_sdhi_internal_dmac",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
- .pm = &renesas_sdhi_internal_dmac_dev_pm_ops,
+ .pm = pm_ptr(&renesas_sdhi_internal_dmac_dev_pm_ops),
.of_match_table = renesas_sdhi_internal_dmac_of_match,
},
.probe = renesas_sdhi_internal_dmac_probe,
- .remove_new = renesas_sdhi_remove,
+ .remove = renesas_sdhi_remove,
};
module_platform_driver(renesas_internal_dmac_sdhi_driver);