From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
To: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org, tiwai@suse.de, broonie@kernel.org,
vkoul@kernel.org, gregkh@linuxfoundation.org, jank@cadence.com,
srinivas.kandagatla@linaro.org, slawomir.blauciak@intel.com,
Bard liao <yung-chuan.liao@linux.intel.com>,
Rander Wang <rander.wang@linux.intel.com>,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>,
Hui Wang <hui.wang@canonical.com>,
Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
Sanyog Kale <sanyog.r.kale@intel.com>
Subject: [PATCH 8/8] soundwire: intel_init: save Slave(s) _ADR info in sdw_intel_ctx
Date: Thu, 27 Feb 2020 16:32:06 -0600 [thread overview]
Message-ID: <20200227223206.5020-9-pierre-louis.bossart@linux.intel.com> (raw)
In-Reply-To: <20200227223206.5020-1-pierre-louis.bossart@linux.intel.com>
From: Bard Liao <yung-chuan.liao@linux.intel.com>
Save ACPI information in context so that we can match machine driver
with sdw _ADR matching tables.
Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
---
drivers/soundwire/intel_init.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/soundwire/intel_init.c b/drivers/soundwire/intel_init.c
index 91ec91127f2a..60d6d844ee4a 100644
--- a/drivers/soundwire/intel_init.c
+++ b/drivers/soundwire/intel_init.c
@@ -74,6 +74,8 @@ static int sdw_intel_cleanup(struct sdw_intel_ctx *ctx)
kfree(ctx->links);
ctx->links = NULL;
+ kfree(ctx->ids);
+ ctx->ids = NULL;
return 0;
}
@@ -188,7 +190,11 @@ static struct sdw_intel_ctx
struct acpi_device *adev;
struct sdw_master_device *md;
unsigned long time;
+ struct sdw_slave *slave;
+ struct list_head *node;
+ struct sdw_bus *bus;
u32 link_mask;
+ int num_slaves = 0;
int count;
int i;
@@ -261,6 +267,25 @@ static struct sdw_intel_ctx
link->md = md;
list_add_tail(&link->list, &ctx->link_list);
+ bus = &link->cdns->bus;
+ /* Calculate number of slaves */
+ list_for_each(node, &bus->slaves)
+ num_slaves++;
+ }
+
+ ctx->ids = kcalloc(num_slaves, sizeof(*ctx->ids), GFP_KERNEL);
+ if (!ctx->ids)
+ goto err;
+
+ ctx->num_slaves = num_slaves;
+ i = 0;
+ list_for_each_entry(link, &ctx->link_list, list) {
+ bus = &link->cdns->bus;
+ list_for_each_entry(slave, &bus->slaves, node) {
+ ctx->ids[i].id = slave->id;
+ ctx->ids[i].link_id = bus->link_id;
+ i++;
+ }
}
return ctx;
--
2.20.1
next prev parent reply other threads:[~2020-02-27 22:32 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-27 22:31 [PATCH 0/8] soundwire: remove platform devices, add SOF interfaces Pierre-Louis Bossart
2020-02-27 22:31 ` [PATCH 1/8] soundwire: bus_type: add master_device/driver support Pierre-Louis Bossart
2020-02-28 7:32 ` Greg KH
2020-02-28 15:53 ` Pierre-Louis Bossart
2020-03-03 5:41 ` Vinod Koul
2020-03-03 15:23 ` Pierre-Louis Bossart
2020-03-04 9:53 ` Vinod Koul
2020-03-04 15:17 ` Pierre-Louis Bossart
2020-03-04 16:28 ` Greg KH
2020-03-05 6:46 ` Vinod Koul
2020-03-05 6:36 ` Vinod Koul
2020-03-05 12:46 ` Pierre-Louis Bossart
2020-03-06 5:01 ` Vinod Koul
2020-03-06 15:40 ` Pierre-Louis Bossart
2020-03-11 6:36 ` Vinod Koul
2020-03-11 14:44 ` Pierre-Louis Bossart
2020-03-13 11:50 ` Vinod Koul
2020-03-13 16:54 ` Pierre-Louis Bossart
2020-03-14 9:49 ` Vinod Koul
2020-03-16 19:15 ` Pierre-Louis Bossart
2020-03-20 15:33 ` Vinod Koul
2020-03-20 16:36 ` Pierre-Louis Bossart
2020-03-23 12:16 ` Vinod Koul
2020-02-27 22:32 ` [PATCH 2/8] soundwire: intel: transition to sdw_master_device/driver support Pierre-Louis Bossart
2020-02-28 7:34 ` Greg KH
2020-02-28 16:01 ` Pierre-Louis Bossart
2020-03-03 6:05 ` Vinod Koul
2020-02-27 22:32 ` [PATCH 3/8] soundwire: intel_init: add implementation of sdw_intel_enable_irq() Pierre-Louis Bossart
2020-02-27 22:32 ` [PATCH 4/8] soundwire: intel_init: use EXPORT_SYMBOL_NS Pierre-Louis Bossart
2020-02-27 22:32 ` [PATCH 5/8] soundwire: intel/cadence: merge Soundwire interrupt handlers/threads Pierre-Louis Bossart
2020-02-27 22:32 ` [PATCH 6/8] soundwire: intel: add helpers for link power down and shim wake Pierre-Louis Bossart
2020-02-27 22:32 ` [PATCH 7/8] soundwire: intel: add wake interrupt support Pierre-Louis Bossart
2020-02-27 22:32 ` Pierre-Louis Bossart [this message]
2020-02-28 7:32 ` [PATCH 0/8] soundwire: remove platform devices, add SOF interfaces Greg KH
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