diff mbox series

[7/8] soundwire: intel_init: remove check on number of links

Message ID 20221111042653.45520-8-yung-chuan.liao@linux.intel.com
State New
Headers
Series ASoC/soundwire: revisit interrupt and lcount handling |

Commit Message

Bard Liao Nov. 11, 2022, 4:26 a.m. UTC 
  From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

The number of links is checked with a chip-dependent helper in the
caller, remove the check in drivers/soundwire/intel_init.c

This change makes intel_init.c hardware-agnostic - which is quite
fitting for a layer that only creates auxiliary devices.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
 drivers/soundwire/intel_init.c | 12 ------------
 1 file changed, 12 deletions(-)

Comments

Vinod Koul Nov. 23, 2022, 2:45 p.m. UTC | #1 
On 11-11-22, 12:26, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
> 
> The number of links is checked with a chip-dependent helper in the
> caller, remove the check in drivers/soundwire/intel_init.c
> 
> This change makes intel_init.c hardware-agnostic - which is quite
> fitting for a layer that only creates auxiliary devices.

Acked-By: Vinod Koul <vkoul@kernel.org>
diff mbox series

Patch

diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c
index 0df3cdd85793..d6842925de61 100644
--- a/drivers/soundwire/intel_init.c
+++ b/drivers/soundwire/intel_init.c
@@ -272,24 +272,12 @@  sdw_intel_startup_controller(struct sdw_intel_ctx *ctx)
 {
 	struct acpi_device *adev = acpi_fetch_acpi_dev(ctx->handle);
 	struct sdw_intel_link_dev *ldev;
-	u32 caps;
 	u32 link_mask;
 	int i;
 
 	if (!adev)
 		return -EINVAL;
 
-	/* Check SNDWLCAP.LCOUNT */
-	caps = ioread32(ctx->mmio_base + ctx->shim_base + SDW_SHIM_LCAP);
-	caps &= SDW_SHIM_LCAP_LCOUNT_MASK;
-
-	/* Check HW supported vs property value */
-	if (caps < ctx->count) {
-		dev_err(&adev->dev,
-			"BIOS master count is larger than hardware capabilities\n");
-		return -EINVAL;
-	}
-
 	if (!ctx->ldev)
 		return -EINVAL;