mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 05:48:40 +00:00
dmaengine: dw: platform: Enable iDMA 32-bit on Intel Elkhart Lake
Intel® PSE (Programmable Services Engine) provides few DMA controllers to the host on Intel Elkhart Lake. Enable them in the ACPI glue driver. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20190820131546.75744-6-andriy.shevchenko@linux.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
parent
b3757413b9
commit
f8d9ddbc28
1 changed files with 11 additions and 5 deletions
|
@ -173,7 +173,6 @@ static int dw_probe(struct platform_device *pdev)
|
||||||
struct dw_dma_chip *chip;
|
struct dw_dma_chip *chip;
|
||||||
struct device *dev = &pdev->dev;
|
struct device *dev = &pdev->dev;
|
||||||
struct resource *mem;
|
struct resource *mem;
|
||||||
const struct dw_dma_platform_data *pdata;
|
|
||||||
int err;
|
int err;
|
||||||
|
|
||||||
match = device_get_match_data(dev);
|
match = device_get_match_data(dev);
|
||||||
|
@ -201,13 +200,14 @@ static int dw_probe(struct platform_device *pdev)
|
||||||
if (err)
|
if (err)
|
||||||
return err;
|
return err;
|
||||||
|
|
||||||
pdata = dev_get_platdata(dev);
|
if (!data->pdata)
|
||||||
if (!pdata)
|
data->pdata = dev_get_platdata(dev);
|
||||||
pdata = dw_dma_parse_dt(pdev);
|
if (!data->pdata)
|
||||||
|
data->pdata = dw_dma_parse_dt(pdev);
|
||||||
|
|
||||||
chip->dev = dev;
|
chip->dev = dev;
|
||||||
chip->id = pdev->id;
|
chip->id = pdev->id;
|
||||||
chip->pdata = pdata;
|
chip->pdata = data->pdata;
|
||||||
|
|
||||||
data->chip = chip;
|
data->chip = chip;
|
||||||
|
|
||||||
|
@ -298,6 +298,12 @@ static const struct acpi_device_id dw_dma_acpi_id_table[] = {
|
||||||
{ "INTL9C60", (kernel_ulong_t)&dw_dma_chip_pdata },
|
{ "INTL9C60", (kernel_ulong_t)&dw_dma_chip_pdata },
|
||||||
{ "80862286", (kernel_ulong_t)&dw_dma_chip_pdata },
|
{ "80862286", (kernel_ulong_t)&dw_dma_chip_pdata },
|
||||||
{ "808622C0", (kernel_ulong_t)&dw_dma_chip_pdata },
|
{ "808622C0", (kernel_ulong_t)&dw_dma_chip_pdata },
|
||||||
|
|
||||||
|
/* Elkhart Lake iDMA 32-bit (PSE DMA) */
|
||||||
|
{ "80864BB4", (kernel_ulong_t)&idma32_chip_pdata },
|
||||||
|
{ "80864BB5", (kernel_ulong_t)&idma32_chip_pdata },
|
||||||
|
{ "80864BB6", (kernel_ulong_t)&idma32_chip_pdata },
|
||||||
|
|
||||||
{ }
|
{ }
|
||||||
};
|
};
|
||||||
MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table);
|
MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table);
|
||||||
|
|
Loading…
Reference in a new issue