imrcpan/erofs-linux
1
0 Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git synced 2026-11-09 02:51:11 +01:00
Code Issues Packages Projects Releases Wiki Activity

dmaengine: dw: platform: Enable iDMA 32-bit on Intel Elkhart Lake

Browse Source 
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 <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Andy Shevchenko authored and Vinod Koul committed 2019-08-21 09:41:27 +05:30
1 parent b3757413b9
commit f8d9ddbc28
1 file changed
+11 -5
Download Patch File Download Diff File Expand all files Collapse all files
drivers/dma/dw/platform.c
+11 -5
View File
@@ -173,7 +173,6 @@ static int dw_probe(struct platform_device *pdev)
struct dw_dma_chip *chip;
struct device *dev = &pdev->dev;
struct resource *mem;
const struct dw_dma_platform_data *pdata;
int err;
match = device_get_match_data(dev);
@@ -201,13 +200,14 @@ static int dw_probe(struct platform_device *pdev)
if (err)
return err;
pdata = dev_get_platdata(dev);
if (!pdata)
pdata = dw_dma_parse_dt(pdev);
if (!data->pdata)
data->pdata = dev_get_platdata(dev);
if (!data->pdata)
data->pdata = dw_dma_parse_dt(pdev);
chip->dev = dev;
chip->id = pdev->id;
chip->pdata = pdata;
chip->pdata = data->pdata;
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 },
{ "80862286", (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);