soundwire: intel_ace2.x: power-up first before setting SYNCPRD
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Tue, 26 Mar 2024 09:20:29 +0000 (09:20 +0000)
committerVinod Koul <vkoul@kernel.org>
Fri, 5 Apr 2024 11:51:03 +0000 (17:21 +0530)
The existing sequence is fine if we want to only use the xtal
clock. However if we want to select the clock, we first need to
power-up, then select the clock and last set the SYNCPRD.

This patch first modifies the order, we will add the clock selection
as a follow-up.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20240326092030.1062802-7-yung-chuan.liao@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/soundwire/intel_ace2x.c

index abdd651a185c280131ef26965a00ff4ba6a49332..d8ae05cf3d578d9ae2ffca671b38868fd178abc1 100644 (file)
@@ -93,6 +93,13 @@ static int intel_link_power_up(struct sdw_intel *sdw)
 
        mutex_lock(sdw->link_res->shim_lock);
 
+       ret = hdac_bus_eml_sdw_power_up_unlocked(sdw->link_res->hbus, link_id);
+       if (ret < 0) {
+               dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_power_up failed: %d\n",
+                       __func__, ret);
+               goto out;
+       }
+
        if (!*shim_mask) {
                /* we first need to program the SyncPRD/CPU registers */
                dev_dbg(sdw->cdns.dev, "first link up, programming SYNCPRD\n");
@@ -103,16 +110,7 @@ static int intel_link_power_up(struct sdw_intel *sdw)
                                __func__, ret);
                        goto out;
                }
-       }
 
-       ret = hdac_bus_eml_sdw_power_up_unlocked(sdw->link_res->hbus, link_id);
-       if (ret < 0) {
-               dev_err(sdw->cdns.dev, "%s: hdac_bus_eml_sdw_power_up failed: %d\n",
-                       __func__, ret);
-               goto out;
-       }
-
-       if (!*shim_mask) {
                /* SYNCPU will change once link is active */
                ret =  hdac_bus_eml_sdw_wait_syncpu_unlocked(sdw->link_res->hbus);
                if (ret < 0) {