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MMC host:

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- sdhci-xenon: Don't free data for phy allocated by devm*
  - sdhci-iproc: Suppress spurious interrupts
  - cavium: Fix probing race with regulator
  - cavium: Prevent crash with incomplete DT
  - cavium-octeon: Use proper GPIO name for power control
  - cavium-octeon: Fix interrupt enable code
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Merge tag 'mmc-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "A couple of MMC host fixes intended for v4.12 rc3:

   - sdhci-xenon: Don't free data for phy allocated by devm*
   - sdhci-iproc: Suppress spurious interrupts
   - cavium: Fix probing race with regulator
   - cavium: Prevent crash with incomplete DT
   - cavium-octeon: Use proper GPIO name for power control
   - cavium-octeon: Fix interrupt enable code"

* tag 'mmc-v4.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: sdhci-iproc: suppress spurious interrupt with Multiblock read
  mmc: cavium: Fix probing race with regulator
  of/platform: Make of_platform_device_destroy globally visible
  mmc: cavium: Prevent crash with incomplete DT
  mmc: cavium-octeon: Use proper GPIO name for power control
  mmc: cavium-octeon: Fix interrupt enable code
  mmc: sdhci-xenon: kill xenon_clean_phy()
This commit is contained in:
Linus Torvalds 2017-05-24 08:21:56 -07:00
commit 590d4b333d
9 changed files with 35 additions and 39 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/mmc/host/cavium-octeon.c
View File

@ -108,7 +108,7 @@ static void octeon_mmc_release_bus(struct cvm_mmc_host *host)
static void octeon_mmc_int_enable(struct cvm_mmc_host *host, u64 val)
{
writeq(val, host->base + MIO_EMM_INT(host));
if (!host->dma_active || (host->dma_active && !host->has_ciu3))
if (!host->has_ciu3)
writeq(val, host->base + MIO_EMM_INT_EN(host));
}
@ -267,7 +267,7 @@ static int octeon_mmc_probe(struct platform_device *pdev)
}
host->global_pwr_gpiod = devm_gpiod_get_optional(&pdev->dev,
"power-gpios",
"power",
GPIOD_OUT_HIGH);
if (IS_ERR(host->global_pwr_gpiod)) {
dev_err(&pdev->dev, "Invalid power GPIO\n");
@ -288,11 +288,20 @@ static int octeon_mmc_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "Error populating slots\n");
octeon_mmc_set_shared_power(host, 0);
return ret;
goto error;
}
i++;
}
return 0;
error:
for (i = 0; i < CAVIUM_MAX_MMC; i++) {
if (host->slot[i])
cvm_mmc_of_slot_remove(host->slot[i]);
if (host->slot_pdev[i])
of_platform_device_destroy(&host->slot_pdev[i]->dev, NULL);
}
return ret;
}
static int octeon_mmc_remove(struct platform_device *pdev)

6
drivers/mmc/host/cavium-thunderx.c
View File

@ -146,6 +146,12 @@ static int thunder_mmc_probe(struct pci_dev *pdev,
return 0;
error:
for (i = 0; i < CAVIUM_MAX_MMC; i++) {
if (host->slot[i])
cvm_mmc_of_slot_remove(host->slot[i]);
if (host->slot_pdev[i])
of_platform_device_destroy(&host->slot_pdev[i]->dev, NULL);
}
clk_disable_unprepare(host->clk);
return ret;
}

25
drivers/mmc/host/cavium.c
View File

@ -839,14 +839,14 @@ static void cvm_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
cvm_mmc_reset_bus(slot);
if (host->global_pwr_gpiod)
host->set_shared_power(host, 0);
else
else if (!IS_ERR(mmc->supply.vmmc))
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0);
break;
case MMC_POWER_UP:
if (host->global_pwr_gpiod)
host->set_shared_power(host, 1);
else
else if (!IS_ERR(mmc->supply.vmmc))
mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd);
break;
}
@ -968,20 +968,15 @@ static int cvm_mmc_of_parse(struct device *dev, struct cvm_mmc_slot *slot)
return -EINVAL;
}
mmc->supply.vmmc = devm_regulator_get_optional(dev, "vmmc");
if (IS_ERR(mmc->supply.vmmc)) {
if (PTR_ERR(mmc->supply.vmmc) == -EPROBE_DEFER)
return -EPROBE_DEFER;
/*
* Legacy Octeon firmware has no regulator entry, fall-back to
* a hard-coded voltage to get a sane OCR.
*/
ret = mmc_regulator_get_supply(mmc);
if (ret == -EPROBE_DEFER)
return ret;
/*
* Legacy Octeon firmware has no regulator entry, fall-back to
* a hard-coded voltage to get a sane OCR.
*/
if (IS_ERR(mmc->supply.vmmc))
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
} else {
ret = mmc_regulator_get_ocrmask(mmc->supply.vmmc);
if (ret > 0)
mmc->ocr_avail = ret;
}
/* Common MMC bindings */
ret = mmc_of_parse(mmc);

3
drivers/mmc/host/sdhci-iproc.c
View File

@ -187,7 +187,8 @@ static const struct sdhci_iproc_data iproc_cygnus_data = {
};
static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = {
.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK,
.quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
.quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN,
.ops = &sdhci_iproc_ops,
};

14
drivers/mmc/host/sdhci-xenon-phy.c
View File

@ -787,14 +787,6 @@ int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios)
return ret;
}
void xenon_clean_phy(struct sdhci_host *host)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host);
kfree(priv->phy_params);
}
static int xenon_add_phy(struct device_node *np, struct sdhci_host *host,
const char *phy_name)
{
@ -819,11 +811,7 @@ static int xenon_add_phy(struct device_node *np, struct sdhci_host *host,
if (ret)
return ret;
ret = xenon_emmc_phy_parse_param_dt(host, np, priv->phy_params);
if (ret)
xenon_clean_phy(host);
return ret;
return xenon_emmc_phy_parse_param_dt(host, np, priv->phy_params);
}
int xenon_phy_parse_dt(struct device_node *np, struct sdhci_host *host)

6
drivers/mmc/host/sdhci-xenon.c
View File

@ -486,7 +486,7 @@ static int xenon_probe(struct platform_device *pdev)
err = xenon_sdhc_prepare(host);
if (err)
goto clean_phy_param;
goto err_clk;
err = sdhci_add_host(host);
if (err)
@ -496,8 +496,6 @@ static int xenon_probe(struct platform_device *pdev)
remove_sdhc:
xenon_sdhc_unprepare(host);
clean_phy_param:
xenon_clean_phy(host);
err_clk:
clk_disable_unprepare(pltfm_host->clk);
free_pltfm:
@ -510,8 +508,6 @@ static int xenon_remove(struct platform_device *pdev)
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
xenon_clean_phy(host);
sdhci_remove_host(host, 0);
xenon_sdhc_unprepare(host);

1
drivers/mmc/host/sdhci-xenon.h
View File

@ -93,7 +93,6 @@ struct xenon_priv {
};
int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios);
void xenon_clean_phy(struct sdhci_host *host);
int xenon_phy_parse_dt(struct device_node *np,
struct sdhci_host *host);
void xenon_soc_pad_ctrl(struct sdhci_host *host,

3
drivers/of/platform.c
View File

@ -523,7 +523,7 @@ static int __init of_platform_default_populate_init(void)
arch_initcall_sync(of_platform_default_populate_init);
#endif
static int of_platform_device_destroy(struct device *dev, void *data)
int of_platform_device_destroy(struct device *dev, void *data)
{
/* Do not touch devices not populated from the device tree */
if (!dev->of_node || !of_node_check_flag(dev->of_node, OF_POPULATED))
@ -544,6 +544,7 @@ static int of_platform_device_destroy(struct device *dev, void *data)
of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
return 0;
}
EXPORT_SYMBOL_GPL(of_platform_device_destroy);
/**
* of_platform_depopulate() - Remove devices populated from device tree

1
include/linux/of_platform.h
View File

@ -64,6 +64,7 @@ extern struct platform_device *of_platform_device_create(struct device_node *np,
const char *bus_id,
struct device *parent);
extern int of_platform_device_destroy(struct device *dev, void *data);
extern int of_platform_bus_probe(struct device_node *root,
const struct of_device_id *matches,
struct device *parent);