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-rw-r--r--drivers/mmc/core/block.c24
-rw-r--r--drivers/mmc/core/core.c7
-rw-r--r--drivers/mmc/core/mmc.c11
-rw-r--r--drivers/mmc/core/sd.c7
-rw-r--r--drivers/mmc/host/bcm2835.c2
-rw-r--r--drivers/mmc/host/dw_mmc.c2
-rw-r--r--drivers/mmc/host/jz4740_mmc.c20
-rw-r--r--drivers/mmc/host/meson-gx-mmc.c21
-rw-r--r--drivers/mmc/host/meson-mx-sdhc-mmc.c2
-rw-r--r--drivers/mmc/host/mmci.c2
-rw-r--r--drivers/mmc/host/mmci_stm32_sdmmc.c88
-rw-r--r--drivers/mmc/host/mtk-sd.c2
-rw-r--r--drivers/mmc/host/of_mmc_spi.c4
-rw-r--r--drivers/mmc/host/omap.c23
-rw-r--r--drivers/mmc/host/renesas_sdhi.h2
-rw-r--r--drivers/mmc/host/renesas_sdhi_core.c2
-rw-r--r--drivers/mmc/host/renesas_sdhi_internal_dmac.c76
-rw-r--r--drivers/mmc/host/sdhci-omap.c9
-rw-r--r--drivers/mmc/host/sdhci-pci-gli.c10
-rw-r--r--drivers/mmc/host/sdhci.c2
-rw-r--r--drivers/mmc/host/sdhci_am654.c23
-rw-r--r--drivers/mmc/host/sh_mmcif.c2
-rw-r--r--drivers/mmc/host/sunxi-mmc.c2
-rw-r--r--drivers/mmc/host/uniphier-sd.c2
24 files changed, 228 insertions, 117 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 506dc900f5c7..6cb701aa1abc 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -609,11 +609,11 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md,
if (idata->rpmb || (cmd.flags & MMC_RSP_R1B) == MMC_RSP_R1B) {
/*
- * Ensure RPMB/R1B command has completed by polling CMD13
- * "Send Status".
+ * Ensure RPMB/R1B command has completed by polling CMD13 "Send Status". Here we
+ * allow to override the default timeout value if a custom timeout is specified.
*/
- err = mmc_poll_for_busy(card, MMC_BLK_TIMEOUT_MS, false,
- MMC_BUSY_IO);
+ err = mmc_poll_for_busy(card, idata->ic.cmd_timeout_ms ? : MMC_BLK_TIMEOUT_MS,
+ false, MMC_BUSY_IO);
}
return err;
@@ -676,8 +676,9 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md,
struct mmc_ioc_cmd __user *cmds = user->cmds;
struct mmc_card *card;
struct mmc_queue *mq;
- int i, err = 0, ioc_err = 0;
+ int err = 0, ioc_err = 0;
__u64 num_of_cmds;
+ unsigned int i, n;
struct request *req;
if (copy_from_user(&num_of_cmds, &user->num_of_cmds,
@@ -690,15 +691,16 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md,
if (num_of_cmds > MMC_IOC_MAX_CMDS)
return -EINVAL;
- idata = kcalloc(num_of_cmds, sizeof(*idata), GFP_KERNEL);
+ n = num_of_cmds;
+ idata = kcalloc(n, sizeof(*idata), GFP_KERNEL);
if (!idata)
return -ENOMEM;
- for (i = 0; i < num_of_cmds; i++) {
+ for (i = 0; i < n; i++) {
idata[i] = mmc_blk_ioctl_copy_from_user(&cmds[i]);
if (IS_ERR(idata[i])) {
err = PTR_ERR(idata[i]);
- num_of_cmds = i;
+ n = i;
goto cmd_err;
}
/* This will be NULL on non-RPMB ioctl():s */
@@ -725,18 +727,18 @@ static int mmc_blk_ioctl_multi_cmd(struct mmc_blk_data *md,
req_to_mmc_queue_req(req)->drv_op =
rpmb ? MMC_DRV_OP_IOCTL_RPMB : MMC_DRV_OP_IOCTL;
req_to_mmc_queue_req(req)->drv_op_data = idata;
- req_to_mmc_queue_req(req)->ioc_count = num_of_cmds;
+ req_to_mmc_queue_req(req)->ioc_count = n;
blk_execute_rq(req, false);
ioc_err = req_to_mmc_queue_req(req)->drv_op_result;
/* copy to user if data and response */
- for (i = 0; i < num_of_cmds && !err; i++)
+ for (i = 0; i < n && !err; i++)
err = mmc_blk_ioctl_copy_to_user(&cmds[i], idata[i]);
blk_mq_free_request(req);
cmd_err:
- for (i = 0; i < num_of_cmds; i++) {
+ for (i = 0; i < n; i++) {
kfree(idata[i]->buf);
kfree(idata[i]);
}
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index c6ae16d40766..4b70cbfc6d5d 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1988,9 +1988,9 @@ static void mmc_hw_reset_for_init(struct mmc_host *host)
{
mmc_pwrseq_reset(host);
- if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset)
+ if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->card_hw_reset)
return;
- host->ops->hw_reset(host);
+ host->ops->card_hw_reset(host);
}
/**
@@ -2017,8 +2017,9 @@ int mmc_hw_reset(struct mmc_card *card)
}
EXPORT_SYMBOL(mmc_hw_reset);
-int mmc_sw_reset(struct mmc_host *host)
+int mmc_sw_reset(struct mmc_card *card)
{
+ struct mmc_host *host = card->host;
int ret;
if (!host->bus_ops->sw_reset)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index efa95dc4fc4e..89cd48fcec79 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/pm_runtime.h>
+#include <linux/random.h>
#include <linux/sysfs.h>
#include <linux/mmc/host.h>
@@ -72,6 +73,12 @@ static int mmc_decode_cid(struct mmc_card *card)
u32 *resp = card->raw_cid;
/*
+ * Add the raw card ID (cid) data to the entropy pool. It doesn't
+ * matter that not all of it is unique, it's just bonus entropy.
+ */
+ add_device_randomness(&card->raw_cid, sizeof(card->raw_cid));
+
+ /*
* The selection of the format here is based upon published
* specs from sandisk and from what people have reported.
*/
@@ -2240,11 +2247,11 @@ static int _mmc_hw_reset(struct mmc_host *host)
*/
_mmc_flush_cache(host);
- if ((host->caps & MMC_CAP_HW_RESET) && host->ops->hw_reset &&
+ if ((host->caps & MMC_CAP_HW_RESET) && host->ops->card_hw_reset &&
mmc_can_reset(card)) {
/* If the card accept RST_n signal, send it. */
mmc_set_clock(host, host->f_init);
- host->ops->hw_reset(host);
+ host->ops->card_hw_reset(host);
/* Set initial state and call mmc_set_ios */
mmc_set_initial_state(host);
} else {
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 68df6b2f49cc..c5f1df6ce4c0 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -12,6 +12,7 @@
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/pm_runtime.h>
+#include <linux/random.h>
#include <linux/scatterlist.h>
#include <linux/sysfs.h>
@@ -84,6 +85,12 @@ void mmc_decode_cid(struct mmc_card *card)
u32 *resp = card->raw_cid;
/*
+ * Add the raw card ID (cid) data to the entropy pool. It doesn't
+ * matter that not all of it is unique, it's just bonus entropy.
+ */
+ add_device_randomness(&card->raw_cid, sizeof(card->raw_cid));
+
+ /*
* SD doesn't currently have a version field so we will
* have to assume we can parse this.
*/
diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
index 463b707d9e99..641ab4f42125 100644
--- a/drivers/mmc/host/bcm2835.c
+++ b/drivers/mmc/host/bcm2835.c
@@ -1259,7 +1259,7 @@ static void bcm2835_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
static const struct mmc_host_ops bcm2835_ops = {
.request = bcm2835_request,
.set_ios = bcm2835_set_ios,
- .hw_reset = bcm2835_reset,
+ .card_hw_reset = bcm2835_reset,
};
static int bcm2835_add_host(struct bcm2835_host *host)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 06dc56cbada8..581614196a84 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1812,7 +1812,7 @@ static const struct mmc_host_ops dw_mci_ops = {
.set_ios = dw_mci_set_ios,
.get_ro = dw_mci_get_ro,
.get_cd = dw_mci_get_cd,
- .hw_reset = dw_mci_hw_reset,
+ .card_hw_reset = dw_mci_hw_reset,
.enable_sdio_irq = dw_mci_enable_sdio_irq,
.ack_sdio_irq = dw_mci_ack_sdio_irq,
.execute_tuning = dw_mci_execute_tuning,
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 7ab1b38a7be5..b1d563b2ed1b 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -247,6 +247,26 @@ static int jz4740_mmc_acquire_dma_channels(struct jz4740_mmc_host *host)
return PTR_ERR(host->dma_rx);
}
+ /*
+ * Limit the maximum segment size in any SG entry according to
+ * the parameters of the DMA engine device.
+ */
+ if (host->dma_tx) {
+ struct device *dev = host->dma_tx->device->dev;
+ unsigned int max_seg_size = dma_get_max_seg_size(dev);
+
+ if (max_seg_size < host->mmc->max_seg_size)
+ host->mmc->max_seg_size = max_seg_size;
+ }
+
+ if (host->dma_rx) {
+ struct device *dev = host->dma_rx->device->dev;
+ unsigned int max_seg_size = dma_get_max_seg_size(dev);
+
+ if (max_seg_size < host->mmc->max_seg_size)
+ host->mmc->max_seg_size = max_seg_size;
+ }
+
return 0;
}
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 58ab9d90bc8b..2f08d442e557 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -1271,8 +1271,8 @@ static int meson_mmc_probe(struct platform_device *pdev)
/* data bounce buffer */
host->bounce_buf_size = mmc->max_req_size;
host->bounce_buf =
- dma_alloc_coherent(host->dev, host->bounce_buf_size,
- &host->bounce_dma_addr, GFP_KERNEL);
+ dmam_alloc_coherent(host->dev, host->bounce_buf_size,
+ &host->bounce_dma_addr, GFP_KERNEL);
if (host->bounce_buf == NULL) {
dev_err(host->dev, "Unable to map allocate DMA bounce buffer.\n");
ret = -ENOMEM;
@@ -1280,12 +1280,12 @@ static int meson_mmc_probe(struct platform_device *pdev)
}
}
- host->descs = dma_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
- &host->descs_dma_addr, GFP_KERNEL);
+ host->descs = dmam_alloc_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
+ &host->descs_dma_addr, GFP_KERNEL);
if (!host->descs) {
dev_err(host->dev, "Allocating descriptor DMA buffer failed\n");
ret = -ENOMEM;
- goto err_bounce_buf;
+ goto err_free_irq;
}
mmc->ops = &meson_mmc_ops;
@@ -1293,10 +1293,6 @@ static int meson_mmc_probe(struct platform_device *pdev)
return 0;
-err_bounce_buf:
- if (!host->dram_access_quirk)
- dma_free_coherent(host->dev, host->bounce_buf_size,
- host->bounce_buf, host->bounce_dma_addr);
err_free_irq:
free_irq(host->irq, host);
err_init_clk:
@@ -1318,13 +1314,6 @@ static int meson_mmc_remove(struct platform_device *pdev)
writel(0, host->regs + SD_EMMC_IRQ_EN);
free_irq(host->irq, host);
- dma_free_coherent(host->dev, SD_EMMC_DESC_BUF_LEN,
- host->descs, host->descs_dma_addr);
-
- if (!host->dram_access_quirk)
- dma_free_coherent(host->dev, host->bounce_buf_size,
- host->bounce_buf, host->bounce_dma_addr);
-
clk_disable_unprepare(host->mmc_clk);
clk_disable_unprepare(host->core_clk);
diff --git a/drivers/mmc/host/meson-mx-sdhc-mmc.c b/drivers/mmc/host/meson-mx-sdhc-mmc.c
index 28aa78aa08f3..e92e63cb5641 100644
--- a/drivers/mmc/host/meson-mx-sdhc-mmc.c
+++ b/drivers/mmc/host/meson-mx-sdhc-mmc.c
@@ -511,7 +511,7 @@ static int meson_mx_sdhc_execute_tuning(struct mmc_host *mmc, u32 opcode)
}
static const struct mmc_host_ops meson_mx_sdhc_ops = {
- .hw_reset = meson_mx_sdhc_hw_reset,
+ .card_hw_reset = meson_mx_sdhc_hw_reset,
.request = meson_mx_sdhc_request,
.set_ios = meson_mx_sdhc_set_ios,
.card_busy = meson_mx_sdhc_card_busy,
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 45b8608c935c..f3cf3152a397 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1619,6 +1619,8 @@ static irqreturn_t mmci_irq(int irq, void *dev_id)
do {
status = readl(host->base + MMCISTATUS);
+ if (!status)
+ break;
if (host->singleirq) {
if (status & host->mask1_reg)
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index 4566d7fc9055..60bca78a72b1 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -43,6 +43,9 @@ struct sdmmc_lli_desc {
struct sdmmc_idma {
dma_addr_t sg_dma;
void *sg_cpu;
+ dma_addr_t bounce_dma_addr;
+ void *bounce_buf;
+ bool use_bounce_buffer;
};
struct sdmmc_dlyb {
@@ -54,6 +57,8 @@ struct sdmmc_dlyb {
static int sdmmc_idma_validate_data(struct mmci_host *host,
struct mmc_data *data)
{
+ struct sdmmc_idma *idma = host->dma_priv;
+ struct device *dev = mmc_dev(host->mmc);
struct scatterlist *sg;
int i;
@@ -61,41 +66,69 @@ static int sdmmc_idma_validate_data(struct mmci_host *host,
* idma has constraints on idmabase & idmasize for each element
* excepted the last element which has no constraint on idmasize
*/
+ idma->use_bounce_buffer = false;
for_each_sg(data->sg, sg, data->sg_len - 1, i) {
if (!IS_ALIGNED(sg->offset, sizeof(u32)) ||
!IS_ALIGNED(sg->length, SDMMC_IDMA_BURST)) {
- dev_err(mmc_dev(host->mmc),
+ dev_dbg(mmc_dev(host->mmc),
"unaligned scatterlist: ofst:%x length:%d\n",
data->sg->offset, data->sg->length);
- return -EINVAL;
+ goto use_bounce_buffer;
}
}
if (!IS_ALIGNED(sg->offset, sizeof(u32))) {
- dev_err(mmc_dev(host->mmc),
+ dev_dbg(mmc_dev(host->mmc),
"unaligned last scatterlist: ofst:%x length:%d\n",
data->sg->offset, data->sg->length);
- return -EINVAL;
+ goto use_bounce_buffer;
}
return 0;
+
+use_bounce_buffer:
+ if (!idma->bounce_buf) {
+ idma->bounce_buf = dmam_alloc_coherent(dev,
+ host->mmc->max_req_size,
+ &idma->bounce_dma_addr,
+ GFP_KERNEL);
+ if (!idma->bounce_buf) {
+ dev_err(dev, "Unable to map allocate DMA bounce buffer.\n");
+ return -ENOMEM;
+ }
+ }
+
+ idma->use_bounce_buffer = true;
+
+ return 0;
}
static int _sdmmc_idma_prep_data(struct mmci_host *host,
struct mmc_data *data)
{
- int n_elem;
+ struct sdmmc_idma *idma = host->dma_priv;
- n_elem = dma_map_sg(mmc_dev(host->mmc),
- data->sg,
- data->sg_len,
- mmc_get_dma_dir(data));
+ if (idma->use_bounce_buffer) {
+ if (data->flags & MMC_DATA_WRITE) {
+ unsigned int xfer_bytes = data->blksz * data->blocks;
- if (!n_elem) {
- dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n");
- return -EINVAL;
- }
+ sg_copy_to_buffer(data->sg, data->sg_len,
+ idma->bounce_buf, xfer_bytes);
+ dma_wmb();
+ }
+ } else {
+ int n_elem;
+
+ n_elem = dma_map_sg(mmc_dev(host->mmc),
+ data->sg,
+ data->sg_len,
+ mmc_get_dma_dir(data));
+ if (!n_elem) {
+ dev_err(mmc_dev(host->mmc), "dma_map_sg failed\n");
+ return -EINVAL;
+ }
+ }
return 0;
}
@@ -112,8 +145,19 @@ static int sdmmc_idma_prep_data(struct mmci_host *host,
static void sdmmc_idma_unprep_data(struct mmci_host *host,
struct mmc_data *data, int err)
{
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
- mmc_get_dma_dir(data));
+ struct sdmmc_idma *idma = host->dma_priv;
+
+ if (idma->use_bounce_buffer) {
+ if (data->flags & MMC_DATA_READ) {
+ unsigned int xfer_bytes = data->blksz * data->blocks;
+
+ sg_copy_from_buffer(data->sg, data->sg_len,
+ idma->bounce_buf, xfer_bytes);
+ }
+ } else {
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
+ mmc_get_dma_dir(data));
+ }
}
static int sdmmc_idma_setup(struct mmci_host *host)
@@ -137,6 +181,8 @@ static int sdmmc_idma_setup(struct mmci_host *host)
host->mmc->max_segs = SDMMC_LLI_BUF_LEN /
sizeof(struct sdmmc_lli_desc);
host->mmc->max_seg_size = host->variant->stm32_idmabsize_mask;
+
+ host->mmc->max_req_size = SZ_1M;
} else {
host->mmc->max_segs = 1;
host->mmc->max_seg_size = host->mmc->max_req_size;
@@ -154,8 +200,16 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl)
struct scatterlist *sg;
int i;
- if (!host->variant->dma_lli || data->sg_len == 1) {
- writel_relaxed(sg_dma_address(data->sg),
+ if (!host->variant->dma_lli || data->sg_len == 1 ||
+ idma->use_bounce_buffer) {
+ u32 dma_addr;
+
+ if (idma->use_bounce_buffer)
+ dma_addr = idma->bounce_dma_addr;
+ else
+ dma_addr = sg_dma_address(data->sg);
+
+ writel_relaxed(dma_addr,
host->base + MMCI_STM32_IDMABASE0R);
writel_relaxed(MMCI_STM32_IDMAEN,
host->base + MMCI_STM32_IDMACTRLR);
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index e61b0b98065a..195dc897188b 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2458,7 +2458,7 @@ static const struct mmc_host_ops mt_msdc_ops = {
.execute_tuning = msdc_execute_tuning,
.prepare_hs400_tuning = msdc_prepare_hs400_tuning,
.execute_hs400_tuning = msdc_execute_hs400_tuning,
- .hw_reset = msdc_hw_reset,
+ .card_hw_reset = msdc_hw_reset,
};
static const struct cqhci_host_ops msdc_cmdq_ops = {
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index 3629550528b6..bf54776fb26c 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -70,6 +70,10 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
} else {
oms->pdata.caps |= MMC_CAP_NEEDS_POLL;
}
+ if (device_property_read_bool(dev, "cap-sd-highspeed"))
+ oms->pdata.caps |= MMC_CAP_SD_HIGHSPEED;
+ if (device_property_read_bool(dev, "cap-mmc-highspeed"))
+ oms->pdata.caps |= MMC_CAP_MMC_HIGHSPEED;
dev->platform_data = &oms->pdata;
return dev->platform_data;
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index 5e5af34090f1..57d39283924d 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1374,7 +1374,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
host->iclk = clk_get(&pdev->dev, "ick");
if (IS_ERR(host->iclk))
return PTR_ERR(host->iclk);
- clk_enable(host->iclk);
+ clk_prepare_enable(host->iclk);
host->fclk = clk_get(&pdev->dev, "fck");
if (IS_ERR(host->fclk)) {
@@ -1382,16 +1382,18 @@ static int mmc_omap_probe(struct platform_device *pdev)
goto err_free_iclk;
}
+ ret = clk_prepare(host->fclk);
+ if (ret)
+ goto err_put_fclk;
+
host->dma_tx_burst = -1;
host->dma_rx_burst = -1;
host->dma_tx = dma_request_chan(&pdev->dev, "tx");
if (IS_ERR(host->dma_tx)) {
ret = PTR_ERR(host->dma_tx);
- if (ret == -EPROBE_DEFER) {
- clk_put(host->fclk);
- goto err_free_iclk;
- }
+ if (ret == -EPROBE_DEFER)
+ goto err_free_fclk;
host->dma_tx = NULL;
dev_warn(host->dev, "TX DMA channel request failed\n");
@@ -1403,8 +1405,7 @@ static int mmc_omap_probe(struct platform_device *pdev)
if (ret == -EPROBE_DEFER) {
if (host->dma_tx)
dma_release_channel(host->dma_tx);
- clk_put(host->fclk);
- goto err_free_iclk;
+ goto err_free_fclk;
}
host->dma_rx = NULL;
@@ -1454,9 +1455,12 @@ err_free_dma:
dma_release_channel(host->dma_tx);
if (host->dma_rx)
dma_release_channel(host->dma_rx);
+err_free_fclk:
+ clk_unprepare(host->fclk);
+err_put_fclk:
clk_put(host->fclk);
err_free_iclk:
- clk_disable(host->iclk);
+ clk_disable_unprepare(host->iclk);
clk_put(host->iclk);
return ret;
}
@@ -1476,8 +1480,9 @@ static int mmc_omap_remove(struct platform_device *pdev)
mmc_omap_fclk_enable(host, 0);
free_irq(host->irq, host);
+ clk_unprepare(host->fclk);
clk_put(host->fclk);
- clk_disable(host->iclk);
+ clk_disable_unprepare(host->iclk);
clk_put(host->iclk);
if (host->dma_tx)
diff --git a/drivers/mmc/host/renesas_sdhi.h b/drivers/mmc/host/renesas_sdhi.h
index 66d308e73e17..1a1e3e020a8c 100644
--- a/drivers/mmc/host/renesas_sdhi.h
+++ b/drivers/mmc/host/renesas_sdhi.h
@@ -41,6 +41,8 @@ struct renesas_sdhi_of_data {
struct renesas_sdhi_quirks {
bool hs400_disabled;
bool hs400_4taps;
+ bool fixed_addr_mode;
+ bool dma_one_rx_only;
u32 hs400_bad_taps;
const u8 (*hs400_calib_table)[SDHI_CALIB_TABLE_MAX];
};
diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index ddb5ca2f559e..4404ca1f98d8 100644
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -27,7 +27,6 @@
#include <linux/mmc/mmc.h>
#include <linux/mmc/slot-gpio.h>
#include <linux/module.h>
-#include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pinctrl/pinctrl-state.h>
#include <linux/platform_device.h>
@@ -36,7 +35,6 @@
#include <linux/reset.h>
#include <linux/sh_dma.h>
#include <linux/slab.h>
-#include <linux/sys_soc.h>
#include "renesas_sdhi.h"
#include "tmio_mmc.h"
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 1685df00863b..3084b15ae2cb 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -78,11 +78,7 @@ static unsigned long global_flags;
* stored into the system memory even if the DMAC interrupt happened.
* So, this driver then uses one RX DMAC channel only.
*/
-#define SDHI_INTERNAL_DMAC_ONE_RX_ONLY 0
-#define SDHI_INTERNAL_DMAC_RX_IN_USE 1
-
-/* RZ/A2 does not have the ADRR_MODE bit */
-#define SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY 2
+#define SDHI_INTERNAL_DMAC_RX_IN_USE 0
/* Definitions for sampling clocks */
static struct renesas_sdhi_scc rcar_gen3_scc_taps[] = {
@@ -108,10 +104,6 @@ static const struct renesas_sdhi_of_data of_data_rza2 = {
.max_segs = 1,
};
-static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = {
- .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,
@@ -128,7 +120,7 @@ static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
.sdhi_flags = SDHI_FLAG_NEED_CLKH_FALLBACK,
};
-static const struct renesas_sdhi_of_data of_data_rcar_gen3_no_fallback = {
+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,
.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
@@ -169,6 +161,12 @@ static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400 = {
.hs400_4taps = true,
};
+static const struct renesas_sdhi_quirks sdhi_quirks_4tap_nohs400_one_rx = {
+ .hs400_disabled = true,
+ .hs400_4taps = true,
+ .dma_one_rx_only = true,
+};
+
static const struct renesas_sdhi_quirks sdhi_quirks_4tap = {
.hs400_4taps = true,
.hs400_bad_taps = BIT(2) | BIT(3) | BIT(6) | BIT(7),
@@ -178,6 +176,10 @@ static const struct renesas_sdhi_quirks sdhi_quirks_nohs400 = {
.hs400_disabled = true,
};
+static const struct renesas_sdhi_quirks sdhi_quirks_fixed_addr = {
+ .fixed_addr_mode = true,
+};
+
static const struct renesas_sdhi_quirks sdhi_quirks_bad_taps1357 = {
.hs400_bad_taps = BIT(1) | BIT(3) | BIT(5) | BIT(7),
};
@@ -208,10 +210,12 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r8a77990 = {
*/
static const struct soc_device_attribute sdhi_quirks_match[] = {
{ .soc_id = "r8a774a1", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
- { .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7795", .revision = "ES1.*", .data = &sdhi_quirks_4tap_nohs400_one_rx },
{ .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
- { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
+ { .soc_id = "r8a7796", .revision = "ES1.0", .data = &sdhi_quirks_4tap_nohs400_one_rx },
+ { .soc_id = "r8a7796", .revision = "ES1.[12]", .data = &sdhi_quirks_4tap_nohs400 },
{ .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 },
+ { .soc_id = "r8a77980", .revision = "ES1.*", .data = &sdhi_quirks_nohs400 },
{ /* Sentinel. */ }
};
@@ -231,11 +235,7 @@ static const struct renesas_sdhi_of_data_with_quirks of_r8a77965_compatible = {
};
static const struct renesas_sdhi_of_data_with_quirks of_r8a77970_compatible = {
- .of_data = &of_data_rcar_gen3_no_fallback,
-};
-
-static const struct renesas_sdhi_of_data_with_quirks of_r8a77980_compatible = {
- .of_data = &of_data_rcar_gen3,
+ .of_data = &of_data_rcar_gen3_no_sdh_fallback,
.quirks = &sdhi_quirks_nohs400,
};
@@ -248,16 +248,25 @@ static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_compatible = {
.of_data = &of_data_rcar_gen3,
};
+static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_nohs400_compatible = {
+ .of_data = &of_data_rcar_gen3,
+ .quirks = &sdhi_quirks_nohs400,
+};
+
+static const struct renesas_sdhi_of_data_with_quirks of_rza2_compatible = {
+ .of_data = &of_data_rza2,
+ .quirks = &sdhi_quirks_fixed_addr,
+};
+
static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
{ .compatible = "renesas,sdhi-r7s9210", .data = &of_rza2_compatible, },
{ .compatible = "renesas,sdhi-mmc-r8a77470", .data = &of_rcar_gen3_compatible, },
{ .compatible = "renesas,sdhi-r8a7795", .data = &of_r8a7795_compatible, },
- { .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_gen3_compatible, },
{ .compatible = "renesas,sdhi-r8a77961", .data = &of_r8a77961_compatible, },
{ .compatible = "renesas,sdhi-r8a77965", .data = &of_r8a77965_compatible, },
{ .compatible = "renesas,sdhi-r8a77970", .data = &of_r8a77970_compatible, },
- { .compatible = "renesas,sdhi-r8a77980", .data = &of_r8a77980_compatible, },
{ .compatible = "renesas,sdhi-r8a77990", .data = &of_r8a77990_compatible, },
+ { .compatible = "renesas,sdhi-r8a77995", .data = &of_rcar_gen3_nohs400_compatible, },
{ .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },
{},
};
@@ -287,7 +296,8 @@ renesas_sdhi_internal_dmac_enable_dma(struct tmio_mmc_host *host, bool enable)
}
static void
-renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host) {
+renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host)
+{
u64 val = RST_DTRANRST1 | RST_DTRANRST0;
renesas_sdhi_internal_dmac_enable_dma(host, false);
@@ -303,7 +313,8 @@ renesas_sdhi_internal_dmac_abort_dma(struct tmio_mmc_host *host) {
}
static void
-renesas_sdhi_internal_dmac_dataend_dma(struct tmio_mmc_host *host) {
+renesas_sdhi_internal_dmac_dataend_dma(struct tmio_mmc_host *host)
+{
struct renesas_sdhi *priv = host_to_priv(host);
tasklet_schedule(&priv->dma_priv.dma_complete);
@@ -357,10 +368,11 @@ static void
renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
struct mmc_data *data)
{
+ struct renesas_sdhi *priv = host_to_priv(host);
struct scatterlist *sg = host->sg_ptr;
u32 dtran_mode = DTRAN_MODE_BUS_WIDTH;
- if (!test_bit(SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY, &global_flags))
+ if (!(priv->quirks && priv->quirks->fixed_addr_mode))
dtran_mode |= DTRAN_MODE_ADDR_MODE;
if (!renesas_sdhi_internal_dmac_map(host, data, COOKIE_MAPPED))
@@ -368,7 +380,7 @@ renesas_sdhi_internal_dmac_start_dma(struct tmio_mmc_host *host,
if (data->flags & MMC_DATA_READ) {
dtran_mode |= DTRAN_MODE_CH_NUM_CH1;
- if (test_bit(SDHI_INTERNAL_DMAC_ONE_RX_ONLY, &global_flags) &&
+ if (priv->quirks && priv->quirks->dma_one_rx_only &&
test_and_set_bit(SDHI_INTERNAL_DMAC_RX_IN_USE, &global_flags))
goto force_pio_with_unmap;
} else {
@@ -520,20 +532,6 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_internal_dmac_dma_ops = {
.end = renesas_sdhi_internal_dmac_end_dma,
};
-/*
- * Whitelist of specific R-Car Gen3 SoC ES versions to use this DMAC
- * implementation as others may use a different implementation.
- */
-static const struct soc_device_attribute soc_dma_quirks[] = {
- { .soc_id = "r7s9210",
- .data = (void *)BIT(SDHI_INTERNAL_DMAC_ADDR_MODE_FIXED_ONLY) },
- { .soc_id = "r8a7795", .revision = "ES1.*",
- .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) },
- { .soc_id = "r8a7796", .revision = "ES1.0",
- .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) },
- { /* sentinel */ }
-};
-
static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev)
{
const struct soc_device_attribute *attr;
@@ -544,10 +542,6 @@ static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev)
of_data_quirks = of_device_get_match_data(&pdev->dev);
quirks = of_data_quirks->quirks;
- attr = soc_device_match(soc_dma_quirks);
- if (attr)
- global_flags |= (unsigned long)attr->data;
-
attr = soc_device_match(sdhi_quirks_match);
if (attr)
quirks = attr->data;
diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index 64e27c2821f9..86e867ffbb10 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -1219,16 +1219,11 @@ static int sdhci_omap_probe(struct platform_device *pdev)
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_omap_host *omap_host;
struct mmc_host *mmc;
- const struct of_device_id *match;
- struct sdhci_omap_data *data;
+ const struct sdhci_omap_data *data;
const struct soc_device_attribute *soc;
struct resource *regs;
- match = of_match_device(omap_sdhci_match, dev);
- if (!match)
- return -EINVAL;
-
- data = (struct sdhci_omap_data *)match->data;
+ data = of_device_get_match_data(&pdev->dev);
if (!data) {
dev_err(dev, "no sdhci omap data\n");
return -EINVAL;
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index d09728c37d03..1499a64ec3aa 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -142,6 +142,9 @@
#define PCI_GLI_9755_MISC 0x78
#define PCI_GLI_9755_MISC_SSC_OFF BIT(26)
+#define PCI_GLI_9755_PM_CTRL 0xFC
+#define PCI_GLI_9755_PM_STATE GENMASK(1, 0)
+
#define GLI_MAX_TUNING_LOOP 40
/* Genesys Logic chipset */
@@ -676,6 +679,13 @@ static void gl9755_hw_setting(struct sdhci_pci_slot *slot)
GLI_9755_CFG2_L1DLY_VALUE);
pci_write_config_dword(pdev, PCI_GLI_9755_CFG2, value);
+ /* toggle PM state to allow GL9755 to enter ASPM L1.2 */
+ pci_read_config_dword(pdev, PCI_GLI_9755_PM_CTRL, &value);
+ value |= PCI_GLI_9755_PM_STATE;
+ pci_write_config_dword(pdev, PCI_GLI_9755_PM_CTRL, value);
+ value &= ~PCI_GLI_9755_PM_STATE;
+ pci_write_config_dword(pdev, PCI_GLI_9755_PM_CTRL, value);
+
gl9755_wt_off(pdev);
}
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 07c6da1f2f0f..22152029e14c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2999,7 +2999,7 @@ static const struct mmc_host_ops sdhci_ops = {
.set_ios = sdhci_set_ios,
.get_cd = sdhci_get_cd,
.get_ro = sdhci_get_ro,
- .hw_reset = sdhci_hw_reset,
+ .card_hw_reset = sdhci_hw_reset,
.enable_sdio_irq = sdhci_enable_sdio_irq,
.ack_sdio_irq = sdhci_ack_sdio_irq,
.start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index e54fe24d47e7..e7ced1496a07 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -147,6 +147,9 @@ struct sdhci_am654_data {
int drv_strength;
int strb_sel;
u32 flags;
+ u32 quirks;
+
+#define SDHCI_AM654_QUIRK_FORCE_CDTEST BIT(0)
};
struct sdhci_am654_driver_data {
@@ -369,6 +372,21 @@ static void sdhci_am654_write_b(struct sdhci_host *host, u8 val, int reg)
}
}
+static void sdhci_am654_reset(struct sdhci_host *host, u8 mask)
+{
+ u8 ctrl;
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ struct sdhci_am654_data *sdhci_am654 = sdhci_pltfm_priv(pltfm_host);
+
+ sdhci_reset(host, mask);
+
+ if (sdhci_am654->quirks & SDHCI_AM654_QUIRK_FORCE_CDTEST) {
+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
+ ctrl |= SDHCI_CTRL_CDTEST_INS | SDHCI_CTRL_CDTEST_EN;
+ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
+ }
+}
+
static int sdhci_am654_execute_tuning(struct mmc_host *mmc, u32 opcode)
{
struct sdhci_host *host = mmc_priv(mmc);
@@ -500,7 +518,7 @@ static struct sdhci_ops sdhci_j721e_4bit_ops = {
.set_clock = sdhci_j721e_4bit_set_clock,
.write_b = sdhci_am654_write_b,
.irq = sdhci_am654_cqhci_irq,
- .reset = sdhci_reset,
+ .reset = sdhci_am654_reset,
};
static const struct sdhci_pltfm_data sdhci_j721e_4bit_pdata = {
@@ -719,6 +737,9 @@ static int sdhci_am654_get_of_property(struct platform_device *pdev,
device_property_read_u32(dev, "ti,clkbuf-sel",
&sdhci_am654->clkbuf_sel);
+ if (device_property_read_bool(dev, "ti,fails-without-test-cd"))
+ sdhci_am654->quirks |= SDHCI_AM654_QUIRK_FORCE_CDTEST;
+
sdhci_get_of_property(pdev);
return 0;
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 5f9ebf045b1c..0fd4c9d644dd 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -43,12 +43,12 @@
#include <linux/mmc/host.h>
#include <linux/mmc/mmc.h>
#include <linux/mmc/sdio.h>
-#include <linux/mmc/sh_mmcif.h>
#include <linux/mmc/slot-gpio.h>
#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/of_device.h>
#include <linux/pagemap.h>
+#include <linux/platform_data/sh_mmcif.h>
#include <linux/platform_device.h>
#include <linux/pm_qos.h>
#include <linux/pm_runtime.h>
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 46f9e2923d86..b16e12e62e72 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1116,7 +1116,7 @@ static const struct mmc_host_ops sunxi_mmc_ops = {
.get_cd = mmc_gpio_get_cd,
.enable_sdio_irq = sunxi_mmc_enable_sdio_irq,
.start_signal_voltage_switch = sunxi_mmc_volt_switch,
- .hw_reset = sunxi_mmc_hw_reset,
+ .card_hw_reset = sunxi_mmc_hw_reset,
.card_busy = sunxi_mmc_card_busy,
};
diff --git a/drivers/mmc/host/uniphier-sd.c b/drivers/mmc/host/uniphier-sd.c
index ccbf9885a52b..3a8defdcca77 100644
--- a/drivers/mmc/host/uniphier-sd.c
+++ b/drivers/mmc/host/uniphier-sd.c
@@ -597,7 +597,7 @@ static int uniphier_sd_probe(struct platform_device *pdev)
ret = PTR_ERR(priv->rst_hw);
goto free_host;
}
- host->ops.hw_reset = uniphier_sd_hw_reset;
+ host->ops.card_hw_reset = uniphier_sd_hw_reset;
}
if (host->mmc->caps & MMC_CAP_UHS) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-07 17:25:36 +0000