diff options
Diffstat (limited to 'drivers/soundwire/intel_init.c')
| -rw-r--r-- | drivers/soundwire/intel_init.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c index 70637a0383d2..b74c2f144962 100644 --- a/drivers/soundwire/intel_init.c +++ b/drivers/soundwire/intel_init.c @@ -22,6 +22,10 @@ #define SDW_LINK_BASE 0x30000 #define SDW_LINK_SIZE 0x10000 +static int link_mask; +module_param_named(sdw_link_mask, link_mask, int, 0444); +MODULE_PARM_DESC(sdw_link_mask, "Intel link mask (one bit per link)"); + struct sdw_link_data { struct sdw_intel_link_res res; struct platform_device *pdev; @@ -111,6 +115,13 @@ static struct sdw_intel_ctx /* Create SDW Master devices */ for (i = 0; i < count; i++) { + if (link_mask && !(link_mask & BIT(i))) { + dev_dbg(&adev->dev, + "Link %d masked, will not be enabled\n", i); + link++; + continue; + } + link->res.irq = res->irq; link->res.registers = res->mmio_base + SDW_LINK_BASE + (SDW_LINK_SIZE * i); |