From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
vkoul@kernel.org
Cc: yung-chuan.liao@linux.intel.com, sanyog.r.kale@intel.com,
linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH v3 8/9] soundwire: qcom: add auto enumeration support
Date: Mon, 8 Mar 2021 16:16:11 +0000 [thread overview]
Message-ID: <6050461e-5594-6272-e0ef-2ebdc271d809@linaro.org> (raw)
In-Reply-To: <ab00438b-dbb9-e6c6-019a-d50494e5dee1@linux.intel.com>
On 08/03/2021 15:56, Pierre-Louis Bossart wrote:
>
>> +static int qcom_swrm_enumerate(struct sdw_bus *bus)
>> +{
>> + struct qcom_swrm_ctrl *ctrl = to_qcom_sdw(bus);
>> + struct sdw_slave *slave, *_s;
>> + struct sdw_slave_id id;
>> + u32 val1, val2;
>> + bool found;
>> + u64 addr;
>> + int i;
>> + char *buf1 = (char *)&val1, *buf2 = (char *)&val2;
>> +
>> + for (i = 1; i <= SDW_MAX_DEVICES; i++) {
>> + /*SCP_Devid5 - Devid 4*/
>> + ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_1(i), &val1);
>> +
>> + /*SCP_Devid3 - DevId 2 Devid 1 Devid 0*/
>> + ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_2(i), &val2);
>> +
>> + if (!val1 && !val2)
>> + break;
>> +
>> + addr = buf2[1] | (buf2[0] << 8) | (buf1[3] << 16) |
>> + ((u64)buf1[2] << 24) | ((u64)buf1[1] << 32) |
>> + ((u64)buf1[0] << 40);
>> +
>> + sdw_extract_slave_id(bus, addr, &id);
>> + found = false;
>> + /* Now compare with entries */
>> + list_for_each_entry_safe(slave, _s, &bus->slaves, node) {
>> + if (sdw_compare_devid(slave, id) == 0) {
>> + u32 status = qcom_swrm_get_n_device_status(ctrl, i);
>> +
>> + found = true;
>> + if (status == SDW_SLAVE_ATTACHED) {
>> + slave->dev_num = i;
>> + mutex_lock(&bus->bus_lock);
>> + set_bit(i, bus->assigned);
>> + mutex_unlock(&bus->bus_lock);
>> +
>> + }
>
> you haven't changed that part, if the device is not in DT we should
> still set bus->assigned::i
My bad! I missed it again!
Will fix it in next spin!
--srini
WARNING: multiple messages have this Message-ID (diff)
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
vkoul@kernel.org
Cc: sanyog.r.kale@intel.com, yung-chuan.liao@linux.intel.com,
linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH v3 8/9] soundwire: qcom: add auto enumeration support
Date: Mon, 8 Mar 2021 16:16:11 +0000 [thread overview]
Message-ID: <6050461e-5594-6272-e0ef-2ebdc271d809@linaro.org> (raw)
In-Reply-To: <ab00438b-dbb9-e6c6-019a-d50494e5dee1@linux.intel.com>
On 08/03/2021 15:56, Pierre-Louis Bossart wrote:
>
>> +static int qcom_swrm_enumerate(struct sdw_bus *bus)
>> +{
>> + struct qcom_swrm_ctrl *ctrl = to_qcom_sdw(bus);
>> + struct sdw_slave *slave, *_s;
>> + struct sdw_slave_id id;
>> + u32 val1, val2;
>> + bool found;
>> + u64 addr;
>> + int i;
>> + char *buf1 = (char *)&val1, *buf2 = (char *)&val2;
>> +
>> + for (i = 1; i <= SDW_MAX_DEVICES; i++) {
>> + /*SCP_Devid5 - Devid 4*/
>> + ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_1(i), &val1);
>> +
>> + /*SCP_Devid3 - DevId 2 Devid 1 Devid 0*/
>> + ctrl->reg_read(ctrl, SWRM_ENUMERATOR_SLAVE_DEV_ID_2(i), &val2);
>> +
>> + if (!val1 && !val2)
>> + break;
>> +
>> + addr = buf2[1] | (buf2[0] << 8) | (buf1[3] << 16) |
>> + ((u64)buf1[2] << 24) | ((u64)buf1[1] << 32) |
>> + ((u64)buf1[0] << 40);
>> +
>> + sdw_extract_slave_id(bus, addr, &id);
>> + found = false;
>> + /* Now compare with entries */
>> + list_for_each_entry_safe(slave, _s, &bus->slaves, node) {
>> + if (sdw_compare_devid(slave, id) == 0) {
>> + u32 status = qcom_swrm_get_n_device_status(ctrl, i);
>> +
>> + found = true;
>> + if (status == SDW_SLAVE_ATTACHED) {
>> + slave->dev_num = i;
>> + mutex_lock(&bus->bus_lock);
>> + set_bit(i, bus->assigned);
>> + mutex_unlock(&bus->bus_lock);
>> +
>> + }
>
> you haven't changed that part, if the device is not in DT we should
> still set bus->assigned::i
My bad! I missed it again!
Will fix it in next spin!
--srini
next prev parent reply other threads:[~2021-03-08 16:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-08 13:49 [PATCH v3 0/9] soundwire: qcom: various improvements Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 1/9] dt-bindings: soundwire: qcom: clarify data port bus parameters Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 2/9] soundwire: qcom: add support to missing transport params Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 3/9] soundwire: qcom: set continue execution flag for ignored commands Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 4/9] soundwire: qcom: start the clock during initialization Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 5/9] soundwire: qcom: update register read/write routine Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 6/9] soundwire: qcom: add support to new interrupts Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 7/9] soundwire: export sdw_compare_devid() and sdw_extract_slave_id() Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 8/9] soundwire: qcom: add auto enumeration support Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
2021-03-08 15:56 ` Pierre-Louis Bossart
2021-03-08 15:56 ` Pierre-Louis Bossart
2021-03-08 16:16 ` Srinivas Kandagatla [this message]
2021-03-08 16:16 ` Srinivas Kandagatla
2021-03-08 13:49 ` [PATCH v3 9/9] soundwire: qcom: wait for enumeration to be complete in probe Srinivas Kandagatla
2021-03-08 13:49 ` Srinivas Kandagatla
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