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-rw-r--r--drivers/mmc/core/pwrseq_emmc.c38
-rw-r--r--drivers/mmc/core/sd.c14
-rw-r--r--drivers/mmc/host/davinci_mmc.c2
-rw-r--r--drivers/mmc/host/dw_mmc.c3
-rw-r--r--drivers/mmc/host/mmc_spi.c15
-rw-r--r--drivers/mmc/host/mtk-sd.c2
-rw-r--r--drivers/mmc/host/omap.c2
-rw-r--r--drivers/mmc/host/omap_hsmmc.c30
-rw-r--r--drivers/mmc/host/sdhci-acpi.c2
-rw-r--r--drivers/mmc/host/sdhci-brcmstb.c4
-rw-r--r--drivers/mmc/host/sdhci-of-at91.c11
-rw-r--r--drivers/mmc/host/sdhci-of-esdhc.c5
-rw-r--r--drivers/mmc/host/sdhci-tegra.c2
-rw-r--r--drivers/mmc/host/sdhci.c50
-rw-r--r--drivers/mmc/host/tmio_mmc_pio.c2
15 files changed, 121 insertions, 61 deletions
diff --git a/drivers/mmc/core/pwrseq_emmc.c b/drivers/mmc/core/pwrseq_emmc.c
index efb8a7965dd4..154f4204d58c 100644
--- a/drivers/mmc/core/pwrseq_emmc.c
+++ b/drivers/mmc/core/pwrseq_emmc.c
@@ -30,19 +30,14 @@ struct mmc_pwrseq_emmc {
#define to_pwrseq_emmc(p) container_of(p, struct mmc_pwrseq_emmc, pwrseq)
-static void __mmc_pwrseq_emmc_reset(struct mmc_pwrseq_emmc *pwrseq)
-{
- gpiod_set_value(pwrseq->reset_gpio, 1);
- udelay(1);
- gpiod_set_value(pwrseq->reset_gpio, 0);
- udelay(200);
-}
-
static void mmc_pwrseq_emmc_reset(struct mmc_host *host)
{
struct mmc_pwrseq_emmc *pwrseq = to_pwrseq_emmc(host->pwrseq);
- __mmc_pwrseq_emmc_reset(pwrseq);
+ gpiod_set_value_cansleep(pwrseq->reset_gpio, 1);
+ udelay(1);
+ gpiod_set_value_cansleep(pwrseq->reset_gpio, 0);
+ udelay(200);
}
static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this,
@@ -50,8 +45,11 @@ static int mmc_pwrseq_emmc_reset_nb(struct notifier_block *this,
{
struct mmc_pwrseq_emmc *pwrseq = container_of(this,
struct mmc_pwrseq_emmc, reset_nb);
+ gpiod_set_value(pwrseq->reset_gpio, 1);
+ udelay(1);
+ gpiod_set_value(pwrseq->reset_gpio, 0);
+ udelay(200);
- __mmc_pwrseq_emmc_reset(pwrseq);
return NOTIFY_DONE;
}
@@ -72,14 +70,18 @@ static int mmc_pwrseq_emmc_probe(struct platform_device *pdev)
if (IS_ERR(pwrseq->reset_gpio))
return PTR_ERR(pwrseq->reset_gpio);
- /*
- * register reset handler to ensure emmc reset also from
- * emergency_reboot(), priority 255 is the highest priority
- * so it will be executed before any system reboot handler.
- */
- pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
- pwrseq->reset_nb.priority = 255;
- register_restart_handler(&pwrseq->reset_nb);
+ if (!gpiod_cansleep(pwrseq->reset_gpio)) {
+ /*
+ * register reset handler to ensure emmc reset also from
+ * emergency_reboot(), priority 255 is the highest priority
+ * so it will be executed before any system reboot handler.
+ */
+ pwrseq->reset_nb.notifier_call = mmc_pwrseq_emmc_reset_nb;
+ pwrseq->reset_nb.priority = 255;
+ register_restart_handler(&pwrseq->reset_nb);
+ } else {
+ dev_notice(dev, "EMMC reset pin tied to a sleepy GPIO driver; reset on emergency-reboot disabled\n");
+ }
pwrseq->pwrseq.ops = &mmc_pwrseq_emmc_ops;
pwrseq->pwrseq.dev = dev;
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 009e1cf3435c..ba81898b6e57 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -216,6 +216,14 @@ static int mmc_decode_scr(struct mmc_card *card)
if (scr->sda_spec3)
scr->cmds = UNSTUFF_BITS(resp, 32, 2);
+
+ /* SD Spec says: any SD Card shall set at least bits 0 and 2 */
+ if (!(scr->bus_widths & SD_SCR_BUS_WIDTH_1) ||
+ !(scr->bus_widths & SD_SCR_BUS_WIDTH_4)) {
+ pr_err("%s: invalid bus width\n", mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
return 0;
}
@@ -1245,6 +1253,12 @@ int mmc_attach_sd(struct mmc_host *host)
goto err;
}
+ /*
+ * Some SD cards claims an out of spec VDD voltage range. Let's treat
+ * these bits as being in-valid and especially also bit7.
+ */
+ ocr &= ~0x7FFF;
+
rocr = mmc_select_voltage(host, ocr);
/*
diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index affa9fc92c1b..32f28aacd614 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1115,7 +1115,7 @@ static inline void mmc_davinci_cpufreq_deregister(struct mmc_davinci_host *host)
{
}
#endif
-static void __init init_mmcsd_host(struct mmc_davinci_host *host)
+static void init_mmcsd_host(struct mmc_davinci_host *host)
{
mmc_davinci_reset_ctrl(host, 1);
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index ba5fdd696ddb..9c50984b90f4 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1855,8 +1855,7 @@ static void dw_mci_tasklet_func(unsigned long priv)
* delayed. Allowing the transfer to take place
* avoids races and keeps things simple.
*/
- if ((err != -ETIMEDOUT) &&
- (cmd->opcode == MMC_SEND_TUNING_BLOCK)) {
+ if (err != -ETIMEDOUT) {
state = STATE_SENDING_DATA;
continue;
}
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 67f6bd24a9d0..24795454d106 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -819,6 +819,10 @@ mmc_spi_readblock(struct mmc_spi_host *host, struct spi_transfer *t,
}
status = spi_sync_locked(spi, &host->m);
+ if (status < 0) {
+ dev_dbg(&spi->dev, "read error %d\n", status);
+ return status;
+ }
if (host->dma_dev) {
dma_sync_single_for_cpu(host->dma_dev,
@@ -1150,17 +1154,22 @@ static void mmc_spi_initsequence(struct mmc_spi_host *host)
* SPI protocol. Another is that when chipselect is released while
* the card returns BUSY status, the clock must issue several cycles
* with chipselect high before the card will stop driving its output.
+ *
+ * SPI_CS_HIGH means "asserted" here. In some cases like when using
+ * GPIOs for chip select, SPI_CS_HIGH is set but this will be logically
+ * inverted by gpiolib, so if we want to ascertain to drive it high
+ * we should toggle the default with an XOR as we do here.
*/
- host->spi->mode |= SPI_CS_HIGH;
+ host->spi->mode ^= SPI_CS_HIGH;
if (spi_setup(host->spi) != 0) {
/* Just warn; most cards work without it. */
dev_warn(&host->spi->dev,
"can't change chip-select polarity\n");
- host->spi->mode &= ~SPI_CS_HIGH;
+ host->spi->mode ^= SPI_CS_HIGH;
} else {
mmc_spi_readbytes(host, 18);
- host->spi->mode &= ~SPI_CS_HIGH;
+ host->spi->mode ^= SPI_CS_HIGH;
if (spi_setup(host->spi) != 0) {
/* Wot, we can't get the same setup we had before? */
dev_err(&host->spi->dev,
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 7360a7be1654..2bd0f80d3777 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -867,6 +867,7 @@ static void msdc_start_command(struct msdc_host *host,
WARN_ON(host->cmd);
host->cmd = cmd;
+ mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
if (!msdc_cmd_is_ready(host, mrq, cmd))
return;
@@ -878,7 +879,6 @@ static void msdc_start_command(struct msdc_host *host,
cmd->error = 0;
rawcmd = msdc_cmd_prepare_raw_cmd(host, mrq, cmd);
- mod_delayed_work(system_wq, &host->req_timeout, DAT_TIMEOUT);
sdr_set_bits(host->base + MSDC_INTEN, cmd_ints_mask);
writel(cmd->arg, host->base + SDC_ARG);
diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index a4bf14e21b5e..21dfce21aa63 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -920,7 +920,7 @@ static inline void set_cmd_timeout(struct mmc_omap_host *host, struct mmc_reques
reg &= ~(1 << 5);
OMAP_MMC_WRITE(host, SDIO, reg);
/* Set maximum timeout */
- OMAP_MMC_WRITE(host, CTO, 0xff);
+ OMAP_MMC_WRITE(host, CTO, 0xfd);
}
static inline void set_data_timeout(struct mmc_omap_host *host, struct mmc_request *req)
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 69928a8f0768..63cfcd1c19e6 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1690,6 +1690,36 @@ static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
if (mmc_pdata(host)->init_card)
mmc_pdata(host)->init_card(card);
+ else if (card->type == MMC_TYPE_SDIO ||
+ card->type == MMC_TYPE_SD_COMBO) {
+ struct device_node *np = mmc_dev(mmc)->of_node;
+
+ /*
+ * REVISIT: should be moved to sdio core and made more
+ * general e.g. by expanding the DT bindings of child nodes
+ * to provide a mechanism to provide this information:
+ * Documentation/devicetree/bindings/mmc/mmc-card.txt
+ */
+
+ np = of_get_compatible_child(np, "ti,wl1251");
+ if (np) {
+ /*
+ * We have TI wl1251 attached to MMC3. Pass this
+ * information to the SDIO core because it can't be
+ * probed by normal methods.
+ */
+
+ dev_info(host->dev, "found wl1251\n");
+ card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+ card->cccr.wide_bus = 1;
+ card->cis.vendor = 0x104c;
+ card->cis.device = 0x9066;
+ card->cis.blksize = 512;
+ card->cis.max_dtr = 24000000;
+ card->ocr = 0x80;
+ of_node_put(np);
+ }
+ }
}
static void omap_hsmmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 94fe5780cd00..7022e94c8760 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -127,7 +127,7 @@ static const struct sdhci_acpi_chip sdhci_acpi_chip_int = {
static bool sdhci_acpi_byt(void)
{
static const struct x86_cpu_id byt[] = {
- { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT1 },
+ { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_SILVERMONT },
{}
};
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index 242c5dc7a81e..85272a551570 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -93,7 +93,9 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
sdhci_get_of_property(pdev);
- mmc_of_parse(host->mmc);
+ res = mmc_of_parse(host->mmc);
+ if (res)
+ goto err;
/*
* Supply the existing CAPS, but clear the UHS modes. This
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index e4018f62ba7f..9f23d88a0fe9 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -126,7 +126,8 @@ static void sdhci_at91_reset(struct sdhci_host *host, u8 mask)
{
sdhci_reset(host, mask);
- if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ || mmc_gpio_get_cd(host->mmc) >= 0)
sdhci_at91_set_force_card_detect(host);
}
@@ -320,6 +321,9 @@ static int sdhci_at91_probe(struct platform_device *pdev)
pm_runtime_set_autosuspend_delay(&pdev->dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
+ /* HS200 is broken at this moment */
+ host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
+
ret = sdhci_add_host(host);
if (ret)
goto pm_runtime_disable;
@@ -354,8 +358,11 @@ static int sdhci_at91_probe(struct platform_device *pdev)
* detection procedure using the SDMCC_CD signal is bypassed.
* This bit is reset when a software reset for all command is performed
* so we need to implement our own reset function to set back this bit.
+ *
+ * WA: SAMA5D2 doesn't drive CMD if using CD GPIO line.
*/
- if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ if ((host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ || mmc_gpio_get_cd(host->mmc) >= 0)
sdhci_at91_set_force_card_detect(host);
pm_runtime_put_autosuspend(&pdev->dev);
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
index 45066dbf257d..4a0c085bcb13 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -639,6 +639,11 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
if (esdhc->vendor_ver > VENDOR_V_22)
host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
+ if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc")) {
+ host->quirks |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
+ host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+ }
+
if (of_device_is_compatible(np, "fsl,p5040-esdhc") ||
of_device_is_compatible(np, "fsl,p5020-esdhc") ||
of_device_is_compatible(np, "fsl,p4080-esdhc") ||
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 088a3ae0dff0..ec1949045295 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -174,7 +174,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_DDR50;
if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR104)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDR104;
- if (soc_data->nvquirks & SDHCI_MISC_CTRL_ENABLE_SDR50)
+ if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR50)
clk_ctrl |= SDHCI_CLOCK_CTRL_SDR50_TUNING_OVERRIDE;
}
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 28751807fa70..9b6870dce15b 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -968,8 +968,7 @@ static bool sdhci_needs_reset(struct sdhci_host *host, struct mmc_request *mrq)
return (!(host->flags & SDHCI_DEVICE_DEAD) &&
((mrq->cmd && mrq->cmd->error) ||
(mrq->sbc && mrq->sbc->error) ||
- (mrq->data && ((mrq->data->error && !mrq->data->stop) ||
- (mrq->data->stop && mrq->data->stop->error))) ||
+ (mrq->data && mrq->data->stop && mrq->data->stop->error) ||
(host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST)));
}
@@ -1021,6 +1020,16 @@ static void sdhci_finish_data(struct sdhci_host *host)
host->data = NULL;
host->data_cmd = NULL;
+ /*
+ * The controller needs a reset of internal state machines upon error
+ * conditions.
+ */
+ if (data->error) {
+ if (!host->cmd || host->cmd == data_cmd)
+ sdhci_do_reset(host, SDHCI_RESET_CMD);
+ sdhci_do_reset(host, SDHCI_RESET_DATA);
+ }
+
if ((host->flags & (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA)) ==
(SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA))
sdhci_adma_table_post(host, data);
@@ -1045,17 +1054,6 @@ static void sdhci_finish_data(struct sdhci_host *host)
if (data->stop &&
(data->error ||
!data->mrq->sbc)) {
-
- /*
- * The controller needs a reset of internal state machines
- * upon error conditions.
- */
- if (data->error) {
- if (!host->cmd || host->cmd == data_cmd)
- sdhci_do_reset(host, SDHCI_RESET_CMD);
- sdhci_do_reset(host, SDHCI_RESET_DATA);
- }
-
/*
* 'cap_cmd_during_tfr' request must not use the command line
* after mmc_command_done() has been called. It is upper layer's
@@ -2490,7 +2488,7 @@ static void sdhci_timeout_data_timer(unsigned long data)
* *
\*****************************************************************************/
-static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
+static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p)
{
if (!host->cmd) {
/*
@@ -2513,20 +2511,12 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
else
host->cmd->error = -EILSEQ;
- /*
- * If this command initiates a data phase and a response
- * CRC error is signalled, the card can start transferring
- * data - the card may have received the command without
- * error. We must not terminate the mmc_request early.
- *
- * If the card did not receive the command or returned an
- * error which prevented it sending data, the data phase
- * will time out.
- */
+ /* Treat data command CRC error the same as data CRC error */
if (host->cmd->data &&
(intmask & (SDHCI_INT_CRC | SDHCI_INT_TIMEOUT)) ==
SDHCI_INT_CRC) {
host->cmd = NULL;
+ *intmask_p |= SDHCI_INT_DATA_CRC;
return;
}
@@ -2758,7 +2748,7 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
}
if (intmask & SDHCI_INT_CMD_MASK)
- sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
+ sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, &intmask);
if (intmask & SDHCI_INT_DATA_MASK)
sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
@@ -3429,11 +3419,13 @@ int sdhci_setup_host(struct sdhci_host *host)
if (host->ops->get_min_clock)
mmc->f_min = host->ops->get_min_clock(host);
else if (host->version >= SDHCI_SPEC_300) {
- if (host->clk_mul) {
- mmc->f_min = (host->max_clk * host->clk_mul) / 1024;
+ if (host->clk_mul)
max_clk = host->max_clk * host->clk_mul;
- } else
- mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
+ /*
+ * Divided Clock Mode minimum clock rate is always less than
+ * Programmable Clock Mode minimum clock rate.
+ */
+ mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 0fc1f73b0d23..3e025766181b 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -1076,7 +1076,7 @@ int tmio_mmc_host_probe(struct tmio_mmc_host *_host,
tmio_mmc_ops.start_signal_voltage_switch = _host->start_signal_voltage_switch;
mmc->ops = &tmio_mmc_ops;
- mmc->caps |= MMC_CAP_4_BIT_DATA | pdata->capabilities;
+ mmc->caps |= MMC_CAP_ERASE | MMC_CAP_4_BIT_DATA | pdata->capabilities;
mmc->caps2 |= pdata->capabilities2;
mmc->max_segs = 32;
mmc->max_blk_size = 512;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-11 14:51:13 +0000