diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 08:36:15 +0100 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-10-23 08:36:15 +0100 |
commit | 1650ac53066577a5e83fe3e9d992c9311597ff8c (patch) | |
tree | 58667f89d6b5ac5a40c386548c17646c561453ef /drivers/mmc/host/sdhci-pltfm.c | |
parent | Merge tag 'regulator-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator (diff) | |
parent | mmc: mediatek: drop too much code of tuning method (diff) | |
download | linux-dev-1650ac53066577a5e83fe3e9d992c9311597ff8c.tar.xz linux-dev-1650ac53066577a5e83fe3e9d992c9311597ff8c.zip |
Merge tag 'mmc-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Introduce a host helper function to share re-tuning progress
MMC host:
- sdhci: Add support for v4 host mode
- sdhci-of-arasan: Add Support for AM654 MMC and PHY
- sdhci-sprd: Add support for Spreadtrum's host controller
- sdhci-tegra: Add support for HS400 enhanced strobe
- sdhci-tegra: Enable UHS/HS200 modes for Tegra186/210
- sdhci-tegra: Add support for HS400 delay line calibration
- sdhci-tegra: Add support for pad calibration
- sdhci-of-dwcmshc: Address 128MB DMA boundary limitation
- sdhci-of-esdhc: Add support for tuning erratum A008171
- sdhci-iproc: Add ACPI support
- mediatek: Add support for MT8183
- mediatek: Improve the support for tuning
- mediatek: Add bus clock control for MT2712
- jz4740: Add support for the JZ4725B
- mmci: Add support for the stm32 sdmmc variant
- mmci: Add support for an optional reset control
- mmci: Add some new variant specific properties/callbacks
- mmci: Re-structure DMA code to prepare for new variants
- renesas_sdhi: Add support for r8a77470, r8a7744 and r8a774a1
- renesas_sdhi_internal_dmac: Whitelist r8a77970 and r8a774a1
- tmio/uniphier-sd: Add new UniPhier SD/eMMC controller driver
- tmio/renesas_sdhi: Deal properly with SCC detection during re-tune
- tmio/renesas_sdhi: Refactor/consolidate clock management
- omap_hsmmc: Drop cover detection and some unused platform data
- dw_mmc-exynos: Enable tuning for more speed modes
- sunxi: Clarify the new timing mode and enable it for the A64 controller
- various: Convert to slot GPIO descriptors"
* tag 'mmc-v4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (129 commits)
mmc: mediatek: drop too much code of tuning method
mmc: mediatek: add MT8183 MMC driver support
mmc: mediatek: tune CMD/DATA together
mmc: mediatek: fix cannot receive new request when msdc_cmd_is_ready fail
mmc: mediatek: fill the actual clock for mmc debugfs
mmc: dt-bindings: add support for MT8183 SoC
mmc: uniphier-sd: avoid using broken DMA RX channel
mmc: uniphier-sd: fix DMA disabling
mmc: tmio: simplify the DMA mode test
mmc: tmio: remove TMIO_MMC_HAVE_HIGH_REG flag
mmc: tmio: move MFD variant reset to a platform hook
mmc: renesas_sdhi: Add r8a77470 SDHI1 support
dt-bindings: mmc: renesas_sdhi: Add r8a77470 support
mmc: mmci: add stm32 sdmmc variant
dt-bindings: mmci: add stm32 sdmmc variant
mmc: mmci: add stm32 sdmmc registers
mmc: mmci: add clock divider for stm32 sdmmc
mmc: mmci: add optional reset property
dt-bindings: mmci: add optional reset property
mmc: mmci: add variant property to not read datacnt
...
Diffstat (limited to 'drivers/mmc/host/sdhci-pltfm.c')
-rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 68 |
1 files changed, 40 insertions, 28 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 02bea6159d79..b231c9a3f888 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -30,6 +30,7 @@ #include <linux/err.h> #include <linux/module.h> +#include <linux/property.h> #include <linux/of.h> #ifdef CONFIG_PPC #include <asm/machdep.h> @@ -51,11 +52,10 @@ static const struct sdhci_ops sdhci_pltfm_ops = { .set_uhs_signaling = sdhci_set_uhs_signaling, }; -#ifdef CONFIG_OF -static bool sdhci_of_wp_inverted(struct device_node *np) +static bool sdhci_wp_inverted(struct device *dev) { - if (of_get_property(np, "sdhci,wp-inverted", NULL) || - of_get_property(np, "wp-inverted", NULL)) + if (device_property_present(dev, "sdhci,wp-inverted") || + device_property_present(dev, "wp-inverted")) return true; /* Old device trees don't have the wp-inverted property. */ @@ -66,52 +66,64 @@ static bool sdhci_of_wp_inverted(struct device_node *np) #endif /* CONFIG_PPC */ } -void sdhci_get_of_property(struct platform_device *pdev) +#ifdef CONFIG_OF +static void sdhci_get_compatibility(struct platform_device *pdev) { + struct sdhci_host *host = platform_get_drvdata(pdev); struct device_node *np = pdev->dev.of_node; + + if (!np) + return; + + if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc")) + host->quirks |= SDHCI_QUIRK_BROKEN_DMA; + + if (of_device_is_compatible(np, "fsl,p2020-esdhc") || + of_device_is_compatible(np, "fsl,p1010-esdhc") || + of_device_is_compatible(np, "fsl,t4240-esdhc") || + of_device_is_compatible(np, "fsl,mpc8536-esdhc")) + host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; +} +#else +void sdhci_get_compatibility(struct platform_device *pdev) {} +#endif /* CONFIG_OF */ + +void sdhci_get_property(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); u32 bus_width; - if (of_get_property(np, "sdhci,auto-cmd12", NULL)) + if (device_property_present(dev, "sdhci,auto-cmd12")) host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12; - if (of_get_property(np, "sdhci,1-bit-only", NULL) || - (of_property_read_u32(np, "bus-width", &bus_width) == 0 && + if (device_property_present(dev, "sdhci,1-bit-only") || + (device_property_read_u32(dev, "bus-width", &bus_width) == 0 && bus_width == 1)) host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA; - if (sdhci_of_wp_inverted(np)) + if (sdhci_wp_inverted(dev)) host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT; - if (of_get_property(np, "broken-cd", NULL)) + if (device_property_present(dev, "broken-cd")) host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION; - if (of_get_property(np, "no-1-8-v", NULL)) + if (device_property_present(dev, "no-1-8-v")) host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc")) - host->quirks |= SDHCI_QUIRK_BROKEN_DMA; - - if (of_device_is_compatible(np, "fsl,p2020-esdhc") || - of_device_is_compatible(np, "fsl,p1010-esdhc") || - of_device_is_compatible(np, "fsl,t4240-esdhc") || - of_device_is_compatible(np, "fsl,mpc8536-esdhc")) - host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + sdhci_get_compatibility(pdev); - of_property_read_u32(np, "clock-frequency", &pltfm_host->clock); + device_property_read_u32(dev, "clock-frequency", &pltfm_host->clock); - if (of_find_property(np, "keep-power-in-suspend", NULL)) + if (device_property_present(dev, "keep-power-in-suspend")) host->mmc->pm_caps |= MMC_PM_KEEP_POWER; - if (of_property_read_bool(np, "wakeup-source") || - of_property_read_bool(np, "enable-sdio-wakeup")) /* legacy */ + if (device_property_read_bool(dev, "wakeup-source") || + device_property_read_bool(dev, "enable-sdio-wakeup")) /* legacy */ host->mmc->pm_caps |= MMC_PM_WAKE_SDIO_IRQ; } -#else -void sdhci_get_of_property(struct platform_device *pdev) {} -#endif /* CONFIG_OF */ -EXPORT_SYMBOL_GPL(sdhci_get_of_property); +EXPORT_SYMBOL_GPL(sdhci_get_property); struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, const struct sdhci_pltfm_data *pdata, @@ -184,7 +196,7 @@ int sdhci_pltfm_register(struct platform_device *pdev, if (IS_ERR(host)) return PTR_ERR(host); - sdhci_get_of_property(pdev); + sdhci_get_property(pdev); ret = sdhci_add_host(host); if (ret) |