diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2016-03-07 03:07:56 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2016-03-18 09:12:19 +0100 |
| commit | 741b48f4f39730fdf74bc5892fca2de2fe798b63 (patch) | |
| tree | 37946ce717ea79d8e4a46edf3211fa3d226c8a86 /drivers/mmc | |
| parent | mmc: sdhci: Set DMA mask when adding host (diff) | |
| download | linux-741b48f4f39730fdf74bc5892fca2de2fe798b63.tar.xz linux-741b48f4f39730fdf74bc5892fca2de2fe798b63.zip | |
mmc: sdhci-acpi: Remove enable_dma() hook
This hook was solely used to set the DMA mask, which is now done
by the newly-added sdhci_set_dma_mask() function.
The use of a flag to ensure the mask is only set once is a strong hint
that it should not have been done there anyway.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-acpi.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c index 4e94684ab6ce..6839e41c6d58 100644 --- a/drivers/mmc/host/sdhci-acpi.c +++ b/drivers/mmc/host/sdhci-acpi.c @@ -75,7 +75,6 @@ struct sdhci_acpi_host { const struct sdhci_acpi_slot *slot; struct platform_device *pdev; bool use_runtime_pm; - bool dma_setup; }; static inline bool sdhci_acpi_flag(struct sdhci_acpi_host *c, unsigned int flag) @@ -83,33 +82,6 @@ static inline bool sdhci_acpi_flag(struct sdhci_acpi_host *c, unsigned int flag) return c->slot && (c->slot->flags & flag); } -static int sdhci_acpi_enable_dma(struct sdhci_host *host) -{ - struct sdhci_acpi_host *c = sdhci_priv(host); - struct device *dev = &c->pdev->dev; - int err = -1; - - if (c->dma_setup) - return 0; - - if (host->flags & SDHCI_USE_64_BIT_DMA) { - if (host->quirks2 & SDHCI_QUIRK2_BROKEN_64_BIT_DMA) { - host->flags &= ~SDHCI_USE_64_BIT_DMA; - } else { - err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); - if (err) - dev_warn(dev, "Failed to set 64-bit DMA mask\n"); - } - } - - if (err) - err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); - - c->dma_setup = !err; - - return err; -} - static void sdhci_acpi_int_hw_reset(struct sdhci_host *host) { u8 reg; @@ -127,7 +99,6 @@ static void sdhci_acpi_int_hw_reset(struct sdhci_host *host) static const struct sdhci_ops sdhci_acpi_ops_dflt = { .set_clock = sdhci_set_clock, - .enable_dma = sdhci_acpi_enable_dma, .set_bus_width = sdhci_set_bus_width, .reset = sdhci_reset, .set_uhs_signaling = sdhci_set_uhs_signaling, @@ -135,7 +106,6 @@ static const struct sdhci_ops sdhci_acpi_ops_dflt = { static const struct sdhci_ops sdhci_acpi_ops_int = { .set_clock = sdhci_set_clock, - .enable_dma = sdhci_acpi_enable_dma, .set_bus_width = sdhci_set_bus_width, .reset = sdhci_reset, .set_uhs_signaling = sdhci_set_uhs_signaling, |