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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/bus.c11
-rw-r--r--drivers/mmc/core/mmc.c15
-rw-r--r--drivers/mmc/host/meson-gx-mmc.c5
-rw-r--r--drivers/mmc/host/mmci.c14
-rw-r--r--drivers/mmc/host/sdhci-msm.c19
-rw-r--r--drivers/mmc/host/sdhci.c9
6 files changed, 36 insertions, 37 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index c2e70b757dd1..4383c262b3f5 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -399,11 +399,6 @@ void mmc_remove_card(struct mmc_card *card)
mmc_remove_card_debugfs(card);
#endif
- if (host->cqe_enabled) {
- host->cqe_ops->cqe_disable(host);
- host->cqe_enabled = false;
- }
-
if (mmc_card_present(card)) {
if (mmc_host_is_spi(card->host)) {
pr_info("%s: SPI card removed\n",
@@ -416,6 +411,10 @@ void mmc_remove_card(struct mmc_card *card)
of_node_put(card->dev.of_node);
}
+ if (host->cqe_enabled) {
+ host->cqe_ops->cqe_disable(host);
+ host->cqe_enabled = false;
+ }
+
put_device(&card->dev);
}
-
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 0d80b72ddde8..8741271d3971 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -423,10 +423,6 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
/* EXT_CSD value is in units of 10ms, but we store in ms */
card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME];
- /* Some eMMC set the value too low so set a minimum */
- if (card->ext_csd.part_time &&
- card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
- card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
/* Sleep / awake timeout in 100ns units */
if (sa_shift > 0 && sa_shift <= 0x17)
@@ -616,6 +612,17 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->ext_csd.data_sector_size = 512;
}
+ /*
+ * GENERIC_CMD6_TIME is to be used "unless a specific timeout is defined
+ * when accessing a specific field", so use it here if there is no
+ * PARTITION_SWITCH_TIME.
+ */
+ if (!card->ext_csd.part_time)
+ card->ext_csd.part_time = card->ext_csd.generic_cmd6_time;
+ /* Some eMMC set the value too low so set a minimum */
+ if (card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
+ card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
+
/* eMMC v5 or later */
if (card->ext_csd.rev >= 7) {
memcpy(card->ext_csd.fwrev, &ext_csd[EXT_CSD_FIRMWARE_VERSION],
diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index eb6c02bc4a02..b8b771b643cc 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -247,8 +247,9 @@ static void meson_mmc_get_transfer_mode(struct mmc_host *mmc,
*/
for_each_sg(data->sg, sg, data->sg_len, i) {
if (sg->length % data->blksz) {
- WARN_ONCE(1, "unaligned sg len %u blksize %u\n",
- sg->length, data->blksz);
+ dev_warn_once(mmc_dev(mmc),
+ "unaligned sg len %u blksize %u, disabling descriptor DMA for transfer\n",
+ sg->length, data->blksz);
return;
}
}
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 1bc674577ff9..984d35055156 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1242,7 +1242,11 @@ mmci_start_command(struct mmci_host *host, struct mmc_command *cmd, u32 c)
if (!cmd->busy_timeout)
cmd->busy_timeout = 10 * MSEC_PER_SEC;
- clks = (unsigned long long)cmd->busy_timeout * host->cclk;
+ if (cmd->busy_timeout > host->mmc->max_busy_timeout)
+ clks = (unsigned long long)host->mmc->max_busy_timeout * host->cclk;
+ else
+ clks = (unsigned long long)cmd->busy_timeout * host->cclk;
+
do_div(clks, MSEC_PER_SEC);
writel_relaxed(clks, host->base + MMCIDATATIMER);
}
@@ -2151,6 +2155,10 @@ static int mmci_probe(struct amba_device *dev,
mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
}
+ /* Variants with mandatory busy timeout in HW needs R1B responses. */
+ if (variant->busy_timeout)
+ mmc->caps |= MMC_CAP_NEED_RSP_BUSY;
+
/* Prepare a CMD12 - needed to clear the DPSM on some variants. */
host->stop_abort.opcode = MMC_STOP_TRANSMISSION;
host->stop_abort.arg = 0;
@@ -2255,7 +2263,7 @@ static int mmci_probe(struct amba_device *dev,
return ret;
}
-static int mmci_remove(struct amba_device *dev)
+static void mmci_remove(struct amba_device *dev)
{
struct mmc_host *mmc = amba_get_drvdata(dev);
@@ -2283,8 +2291,6 @@ static int mmci_remove(struct amba_device *dev)
clk_disable_unprepare(host->clk);
mmc_free_host(mmc);
}
-
- return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c
index 5e1da4df096f..d170c919e6e4 100644
--- a/drivers/mmc/host/sdhci-msm.c
+++ b/drivers/mmc/host/sdhci-msm.c
@@ -264,7 +264,6 @@ struct sdhci_msm_host {
struct clk_bulk_data bulk_clks[5];
unsigned long clk_rate;
struct mmc_host *mmc;
- struct opp_table *opp_table;
bool use_14lpp_dll_reset;
bool tuning_done;
bool calibration_done;
@@ -2551,17 +2550,15 @@ static int sdhci_msm_probe(struct platform_device *pdev)
if (ret)
goto bus_clk_disable;
- msm_host->opp_table = dev_pm_opp_set_clkname(&pdev->dev, "core");
- if (IS_ERR(msm_host->opp_table)) {
- ret = PTR_ERR(msm_host->opp_table);
+ ret = devm_pm_opp_set_clkname(&pdev->dev, "core");
+ if (ret)
goto bus_clk_disable;
- }
/* OPP table is optional */
- ret = dev_pm_opp_of_add_table(&pdev->dev);
+ ret = devm_pm_opp_of_add_table(&pdev->dev);
if (ret && ret != -ENODEV) {
dev_err(&pdev->dev, "Invalid OPP table in Device tree\n");
- goto opp_put_clkname;
+ goto bus_clk_disable;
}
/* Vote for maximum clock rate for maximum performance */
@@ -2587,7 +2584,7 @@ static int sdhci_msm_probe(struct platform_device *pdev)
ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
if (ret)
- goto opp_cleanup;
+ goto bus_clk_disable;
/*
* xo clock is needed for FLL feature of cm_dll.
@@ -2732,10 +2729,6 @@ pm_runtime_disable:
clk_disable:
clk_bulk_disable_unprepare(ARRAY_SIZE(msm_host->bulk_clks),
msm_host->bulk_clks);
-opp_cleanup:
- dev_pm_opp_of_remove_table(&pdev->dev);
-opp_put_clkname:
- dev_pm_opp_put_clkname(msm_host->opp_table);
bus_clk_disable:
if (!IS_ERR(msm_host->bus_clk))
clk_disable_unprepare(msm_host->bus_clk);
@@ -2754,8 +2747,6 @@ static int sdhci_msm_remove(struct platform_device *pdev)
sdhci_remove_host(host, dead);
- dev_pm_opp_of_remove_table(&pdev->dev);
- dev_pm_opp_put_clkname(msm_host->opp_table);
pm_runtime_get_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 646823ddd317..2d73407ee52e 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -20,7 +20,6 @@
#include <linux/slab.h>
#include <linux/scatterlist.h>
#include <linux/sizes.h>
-#include <linux/swiotlb.h>
#include <linux/regulator/consumer.h>
#include <linux/pm_runtime.h>
#include <linux/of.h>
@@ -4582,12 +4581,8 @@ int sdhci_setup_host(struct sdhci_host *host)
mmc->max_segs = SDHCI_MAX_SEGS;
} else if (host->flags & SDHCI_USE_SDMA) {
mmc->max_segs = 1;
- if (swiotlb_max_segment()) {
- unsigned int max_req_size = (1 << IO_TLB_SHIFT) *
- IO_TLB_SEGSIZE;
- mmc->max_req_size = min(mmc->max_req_size,
- max_req_size);
- }
+ mmc->max_req_size = min_t(size_t, mmc->max_req_size,
+ dma_max_mapping_size(mmc_dev(mmc)));
} else { /* PIO */
mmc->max_segs = SDHCI_MAX_SEGS;
}
generated by cgit (git 2.34.1) at 2025-05-30 12:01:17 +0000