aboutsummaryrefslogtreecommitdiff
path: root/drivers/mmc
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/block.c56
-rw-r--r--drivers/mmc/core/queue.c3
-rw-r--r--drivers/mmc/host/atmel-mci.c2
-rw-r--r--drivers/mmc/host/dw_mmc.c4
-rw-r--r--drivers/mmc/host/mmc_spi.c2
-rw-r--r--drivers/mmc/host/mvsdio.c73
-rw-r--r--drivers/mmc/host/rtsx_pci_sdmmc.c2
-rw-r--r--drivers/mmc/host/rtsx_usb_sdmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-of-dwcmshc.c8
-rw-r--r--drivers/mmc/host/sdhci-pci-gli.c38
-rw-r--r--drivers/mmc/host/sunxi-mmc.c6
11 files changed, 116 insertions, 80 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index f58bea534004..79f6fad97a80 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -2501,6 +2501,56 @@ static inline int mmc_blk_readonly(struct mmc_card *card)
!(card->csd.cmdclass & CCC_BLOCK_WRITE);
}
+/*
+ * Search for a declared partitions node for the disk in mmc-card related node.
+ *
+ * This is to permit support for partition table defined in DT in special case
+ * where a partition table is not written in the disk and is expected to be
+ * passed from the running system.
+ *
+ * For the user disk, "partitions" node is searched.
+ * For the special HW disk, "partitions-" node with the appended name is used
+ * following this conversion table (to adhere to JEDEC naming)
+ * - boot0 -> partitions-boot1
+ * - boot1 -> partitions-boot2
+ * - gp0 -> partitions-gp1
+ * - gp1 -> partitions-gp2
+ * - gp2 -> partitions-gp3
+ * - gp3 -> partitions-gp4
+ */
+static struct fwnode_handle *mmc_blk_get_partitions_node(struct device *mmc_dev,
+ const char *subname)
+{
+ const char *node_name = "partitions";
+
+ if (subname) {
+ mmc_dev = mmc_dev->parent;
+
+ /*
+ * Check if we are allocating a BOOT disk boot0/1 disk.
+ * In DT we use the JEDEC naming boot1/2.
+ */
+ if (!strcmp(subname, "boot0"))
+ node_name = "partitions-boot1";
+ if (!strcmp(subname, "boot1"))
+ node_name = "partitions-boot2";
+ /*
+ * Check if we are allocating a GP disk gp0/1/2/3 disk.
+ * In DT we use the JEDEC naming gp1/2/3/4.
+ */
+ if (!strcmp(subname, "gp0"))
+ node_name = "partitions-gp1";
+ if (!strcmp(subname, "gp1"))
+ node_name = "partitions-gp2";
+ if (!strcmp(subname, "gp2"))
+ node_name = "partitions-gp3";
+ if (!strcmp(subname, "gp3"))
+ node_name = "partitions-gp4";
+ }
+
+ return device_get_named_child_node(mmc_dev, node_name);
+}
+
static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
struct device *parent,
sector_t size,
@@ -2509,6 +2559,7 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
int area_type,
unsigned int part_type)
{
+ struct fwnode_handle *disk_fwnode;
struct mmc_blk_data *md;
int devidx, ret;
char cap_str[10];
@@ -2610,7 +2661,9 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
/* used in ->open, must be set before add_disk: */
if (area_type == MMC_BLK_DATA_AREA_MAIN)
dev_set_drvdata(&card->dev, md);
- ret = device_add_disk(md->parent, md->disk, mmc_disk_attr_groups);
+ disk_fwnode = mmc_blk_get_partitions_node(parent, subname);
+ ret = add_disk_fwnode(md->parent, md->disk, mmc_disk_attr_groups,
+ disk_fwnode);
if (ret)
goto err_put_disk;
return md;
@@ -2734,7 +2787,6 @@ static const struct file_operations mmc_rpmb_fileops = {
.release = mmc_rpmb_chrdev_release,
.open = mmc_rpmb_chrdev_open,
.owner = THIS_MODULE,
- .llseek = no_llseek,
.unlocked_ioctl = mmc_rpmb_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = mmc_rpmb_ioctl_compat,
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index d0b3ca8a11f0..4d6844261912 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -388,7 +388,8 @@ static struct gendisk *mmc_alloc_disk(struct mmc_queue *mq,
blk_queue_rq_timeout(mq->queue, 60 * HZ);
- dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue));
+ if (mmc_dev(host)->dma_parms)
+ dma_set_max_seg_size(mmc_dev(host), queue_max_segment_size(mq->queue));
INIT_WORK(&mq->recovery_work, mmc_mq_recovery_handler);
INIT_WORK(&mq->complete_work, mmc_blk_mq_complete_work);
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 6490df54a6f5..cdbd2edf4b2e 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -37,7 +37,7 @@
#include <asm/cacheflush.h>
#include <asm/io.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#define ATMCI_MAX_NR_SLOTS 2
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 41e451235f63..e9f6e4e62290 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2957,8 +2957,8 @@ static int dw_mci_init_slot(struct dw_mci *host)
if (host->use_dma == TRANS_MODE_IDMAC) {
mmc->max_segs = host->ring_size;
mmc->max_blk_size = 65535;
- mmc->max_req_size = DW_MCI_DESC_DATA_LENGTH * host->ring_size;
- mmc->max_seg_size = mmc->max_req_size;
+ mmc->max_seg_size = 0x1000;
+ mmc->max_req_size = mmc->max_seg_size * host->ring_size;
mmc->max_blk_count = mmc->max_req_size / 512;
} else if (host->use_dma == TRANS_MODE_EDMAC) {
mmc->max_segs = 64;
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index c9caa1ece7ef..8fee7052f2ef 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -26,7 +26,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/mmc_spi.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
/* NOTES:
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index af7f21888e27..12df4ff9eeee 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -22,7 +22,7 @@
#include <linux/mmc/slot-gpio.h>
#include <linux/sizes.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include "mvsdio.h"
@@ -38,9 +38,8 @@ struct mvsd_host {
unsigned int xfer_mode;
unsigned int intr_en;
unsigned int ctrl;
- bool use_pio;
- struct sg_mapping_iter sg_miter;
unsigned int pio_size;
+ void *pio_ptr;
unsigned int sg_frags;
unsigned int ns_per_clk;
unsigned int clock;
@@ -115,18 +114,11 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
* data when the buffer is not aligned on a 64 byte
* boundary.
*/
- unsigned int miter_flags = SG_MITER_ATOMIC; /* Used from IRQ */
-
- if (data->flags & MMC_DATA_READ)
- miter_flags |= SG_MITER_TO_SG;
- else
- miter_flags |= SG_MITER_FROM_SG;
-
host->pio_size = data->blocks * data->blksz;
- sg_miter_start(&host->sg_miter, data->sg, data->sg_len, miter_flags);
+ host->pio_ptr = sg_virt(data->sg);
if (!nodma)
- dev_dbg(host->dev, "fallback to PIO for data\n");
- host->use_pio = true;
+ dev_dbg(host->dev, "fallback to PIO for data at 0x%p size %d\n",
+ host->pio_ptr, host->pio_size);
return 1;
} else {
dma_addr_t phys_addr;
@@ -137,7 +129,6 @@ static int mvsd_setup_data(struct mvsd_host *host, struct mmc_data *data)
phys_addr = sg_dma_address(data->sg);
mvsd_write(MVSD_SYS_ADDR_LOW, (u32)phys_addr & 0xffff);
mvsd_write(MVSD_SYS_ADDR_HI, (u32)phys_addr >> 16);
- host->use_pio = false;
return 0;
}
}
@@ -297,8 +288,8 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data,
{
void __iomem *iobase = host->base;
- if (host->use_pio) {
- sg_miter_stop(&host->sg_miter);
+ if (host->pio_ptr) {
+ host->pio_ptr = NULL;
host->pio_size = 0;
} else {
dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_frags,
@@ -353,12 +344,9 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data,
static irqreturn_t mvsd_irq(int irq, void *dev)
{
struct mvsd_host *host = dev;
- struct sg_mapping_iter *sgm = &host->sg_miter;
void __iomem *iobase = host->base;
u32 intr_status, intr_done_mask;
int irq_handled = 0;
- u16 *p;
- int s;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
dev_dbg(host->dev, "intr 0x%04x intr_en 0x%04x hw_state 0x%04x\n",
@@ -382,36 +370,15 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
spin_lock(&host->lock);
/* PIO handling, if needed. Messy business... */
- if (host->use_pio) {
- /*
- * As we set sgm->consumed this always gives a valid buffer
- * position.
- */
- if (!sg_miter_next(sgm)) {
- /* This should not happen */
- dev_err(host->dev, "ran out of scatter segments\n");
- spin_unlock(&host->lock);
- host->intr_en &=
- ~(MVSD_NOR_RX_READY | MVSD_NOR_RX_FIFO_8W |
- MVSD_NOR_TX_AVAIL | MVSD_NOR_TX_FIFO_8W);
- mvsd_write(MVSD_NOR_INTR_EN, host->intr_en);
- return IRQ_HANDLED;
- }
- p = sgm->addr;
- s = sgm->length;
- if (s > host->pio_size)
- s = host->pio_size;
- }
-
- if (host->use_pio &&
+ if (host->pio_size &&
(intr_status & host->intr_en &
(MVSD_NOR_RX_READY | MVSD_NOR_RX_FIFO_8W))) {
-
+ u16 *p = host->pio_ptr;
+ int s = host->pio_size;
while (s >= 32 && (intr_status & MVSD_NOR_RX_FIFO_8W)) {
readsw(iobase + MVSD_FIFO, p, 16);
p += 16;
s -= 32;
- sgm->consumed += 32;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
}
/*
@@ -424,7 +391,6 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
put_unaligned(mvsd_read(MVSD_FIFO), p++);
put_unaligned(mvsd_read(MVSD_FIFO), p++);
s -= 4;
- sgm->consumed += 4;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
}
if (s && s < 4 && (intr_status & MVSD_NOR_RX_READY)) {
@@ -432,13 +398,10 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
val[0] = mvsd_read(MVSD_FIFO);
val[1] = mvsd_read(MVSD_FIFO);
memcpy(p, ((void *)&val) + 4 - s, s);
- sgm->consumed += s;
s = 0;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
}
- /* PIO transfer done */
- host->pio_size -= sgm->consumed;
- if (host->pio_size == 0) {
+ if (s == 0) {
host->intr_en &=
~(MVSD_NOR_RX_READY | MVSD_NOR_RX_FIFO_8W);
mvsd_write(MVSD_NOR_INTR_EN, host->intr_en);
@@ -450,10 +413,14 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
}
dev_dbg(host->dev, "pio %d intr 0x%04x hw_state 0x%04x\n",
s, intr_status, mvsd_read(MVSD_HW_STATE));
+ host->pio_ptr = p;
+ host->pio_size = s;
irq_handled = 1;
- } else if (host->use_pio &&
+ } else if (host->pio_size &&
(intr_status & host->intr_en &
(MVSD_NOR_TX_AVAIL | MVSD_NOR_TX_FIFO_8W))) {
+ u16 *p = host->pio_ptr;
+ int s = host->pio_size;
/*
* The TX_FIFO_8W bit is unreliable. When set, bursting
* 16 halfwords all at once in the FIFO drops data. Actually
@@ -464,7 +431,6 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
mvsd_write(MVSD_FIFO, get_unaligned(p++));
mvsd_write(MVSD_FIFO, get_unaligned(p++));
s -= 4;
- sgm->consumed += 4;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
}
if (s < 4) {
@@ -473,13 +439,10 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
memcpy(((void *)&val) + 4 - s, p, s);
mvsd_write(MVSD_FIFO, val[0]);
mvsd_write(MVSD_FIFO, val[1]);
- sgm->consumed += s;
s = 0;
intr_status = mvsd_read(MVSD_NOR_INTR_STATUS);
}
- /* PIO transfer done */
- host->pio_size -= sgm->consumed;
- if (host->pio_size == 0) {
+ if (s == 0) {
host->intr_en &=
~(MVSD_NOR_TX_AVAIL | MVSD_NOR_TX_FIFO_8W);
mvsd_write(MVSD_NOR_INTR_EN, host->intr_en);
@@ -487,6 +450,8 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
}
dev_dbg(host->dev, "pio %d intr 0x%04x hw_state 0x%04x\n",
s, intr_status, mvsd_read(MVSD_HW_STATE));
+ host->pio_ptr = p;
+ host->pio_size = s;
irq_handled = 1;
}
diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c
index 7dfe7c4e0077..20e79109be16 100644
--- a/drivers/mmc/host/rtsx_pci_sdmmc.c
+++ b/drivers/mmc/host/rtsx_pci_sdmmc.c
@@ -20,7 +20,7 @@
#include <linux/mmc/sdio.h>
#include <linux/mmc/card.h>
#include <linux/rtsx_pci.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <linux/pm_runtime.h>
struct realtek_pci_sdmmc {
diff --git a/drivers/mmc/host/rtsx_usb_sdmmc.c b/drivers/mmc/host/rtsx_usb_sdmmc.c
index ded9b6849e35..4e86f0a705b6 100644
--- a/drivers/mmc/host/rtsx_usb_sdmmc.c
+++ b/drivers/mmc/host/rtsx_usb_sdmmc.c
@@ -21,7 +21,7 @@
#include <linux/pm_runtime.h>
#include <linux/rtsx_usb.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#if defined(CONFIG_LEDS_CLASS) || (defined(CONFIG_LEDS_CLASS_MODULE) && \
defined(CONFIG_MMC_REALTEK_USB_MODULE))
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 8999b97263af..8fd80dac11bf 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -852,6 +852,14 @@ static void th1520_sdhci_reset(struct sdhci_host *host, u8 mask)
sdhci_reset(host, mask);
+ /* The T-Head 1520 SoC does not comply with the SDHCI specification
+ * regarding the "Software Reset for CMD line should clear 'Command
+ * Complete' in the Normal Interrupt Status Register." Clear the bit
+ * here to compensate for this quirk.
+ */
+ if (mask & SDHCI_RESET_CMD)
+ sdhci_writel(host, SDHCI_INT_RESPONSE, SDHCI_INT_STATUS);
+
if (priv->flags & FLAG_IO_FIXED_1V8) {
ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
if (!(ctrl_2 & SDHCI_CTRL_VDD_180)) {
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c
index 0f81586a19df..68ce4920e01e 100644
--- a/drivers/mmc/host/sdhci-pci-gli.c
+++ b/drivers/mmc/host/sdhci-pci-gli.c
@@ -892,28 +892,40 @@ static void gl9767_disable_ssc_pll(struct pci_dev *pdev)
gl9767_vhs_read(pdev);
}
+static void gl9767_set_low_power_negotiation(struct pci_dev *pdev, bool enable)
+{
+ u32 value;
+
+ gl9767_vhs_write(pdev);
+
+ pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value);
+ if (enable)
+ value &= ~PCIE_GLI_9767_CFG_LOW_PWR_OFF;
+ else
+ value |= PCIE_GLI_9767_CFG_LOW_PWR_OFF;
+ pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value);
+
+ gl9767_vhs_read(pdev);
+}
+
static void sdhci_gl9767_set_clock(struct sdhci_host *host, unsigned int clock)
{
struct sdhci_pci_slot *slot = sdhci_priv(host);
struct mmc_ios *ios = &host->mmc->ios;
struct pci_dev *pdev;
- u32 value;
u16 clk;
pdev = slot->chip->pdev;
host->mmc->actual_clock = 0;
- gl9767_vhs_write(pdev);
-
- pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value);
- value |= PCIE_GLI_9767_CFG_LOW_PWR_OFF;
- pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value);
-
+ gl9767_set_low_power_negotiation(pdev, false);
gl9767_disable_ssc_pll(pdev);
sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
- if (clock == 0)
+ if (clock == 0) {
+ gl9767_set_low_power_negotiation(pdev, true);
return;
+ }
clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
if (clock == 200000000 && ios->timing == MMC_TIMING_UHS_SDR104) {
@@ -922,12 +934,7 @@ static void sdhci_gl9767_set_clock(struct sdhci_host *host, unsigned int clock)
}
sdhci_enable_clk(host, clk);
-
- pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value);
- value &= ~PCIE_GLI_9767_CFG_LOW_PWR_OFF;
- pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value);
-
- gl9767_vhs_read(pdev);
+ gl9767_set_low_power_negotiation(pdev, true);
}
static void gli_set_9767(struct sdhci_host *host)
@@ -1061,6 +1068,9 @@ static int gl9767_init_sd_express(struct mmc_host *mmc, struct mmc_ios *ios)
sdhci_writew(host, value, SDHCI_CLOCK_CONTROL);
}
+ pci_read_config_dword(pdev, PCIE_GLI_9767_CFG, &value);
+ value &= ~PCIE_GLI_9767_CFG_LOW_PWR_OFF;
+ pci_write_config_dword(pdev, PCIE_GLI_9767_CFG, value);
gl9767_vhs_read(pdev);
return 0;
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index d3bd0ac99ec4..e0ab5fd635e6 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1191,10 +1191,9 @@ static const struct sunxi_mmc_cfg sun50i_a64_emmc_cfg = {
.needs_new_timings = true,
};
-static const struct sunxi_mmc_cfg sun50i_a100_cfg = {
+static const struct sunxi_mmc_cfg sun50i_h616_cfg = {
.idma_des_size_bits = 16,
.idma_des_shift = 2,
- .clk_delays = NULL,
.can_calibrate = true,
.mask_data0 = true,
.needs_new_timings = true,
@@ -1217,8 +1216,9 @@ static const struct of_device_id sunxi_mmc_of_match[] = {
{ .compatible = "allwinner,sun20i-d1-mmc", .data = &sun20i_d1_cfg },
{ .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg },
{ .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },
- { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },
+ { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun20i_d1_cfg },
{ .compatible = "allwinner,sun50i-a100-emmc", .data = &sun50i_a100_emmc_cfg },
+ { .compatible = "allwinner,sun50i-h616-mmc", .data = &sun50i_h616_cfg },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sunxi_mmc_of_match);
Powered by cgit, Gruvboxed by Blaster4385.