kernel/drivers/interconnect/qcom/x1e80100.c, branch linux-rolling-stable

interconnect: qcom: icc-rpmh: drop support for non-dynamic IDS

2025-11-02T21:20:18Z

Now as all RPMh interconnect drivers were converted to using the dynamic IDs, drop support for non-dynamic ID allocation. Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20251031-rework-icc-v3-25-0575304c9624@oss.qualcomm.com Signed-off-by: Georgi Djakov

interconnect: qcom: x1e80100: convert to dynamic IDs

2025-11-02T21:16:08Z

Stop using fixed and IDs and covert the platform to use dynamic IDs for the interconnect. This gives more flexibility and also allows us to drop the .num_links member, saving from possible errors related to it being not set or set incorrectly. Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20251031-rework-icc-v3-7-0575304c9624@oss.qualcomm.com Signed-off-by: Georgi Djakov

interconnect: Switch back to struct platform_driver::remove()

2024-10-22T09:34:18Z

After commit 0edb555a65d1 ("platform: Make platform_driver::remove() return void") .remove() is (again) the right callback to implement for platform drivers. Convert all platform drivers below drivers/interconnect to use .remove(), with the eventual goal to drop struct platform_driver::remove_new(). As .remove() and .remove_new() have the same prototypes, conversion is done by just changing the structure member name in the driver initializer. Signed-off-by: Uwe Kleine-König Link: https://lore.kernel.org/r/20241017154920.136220-2-u.kleine-koenig@baylibre.com Signed-off-by: Georgi Djakov

Merge tag 'icc-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-work-linus

2024-04-11T12:44:49Z

Georgi writes: interconnect fixes for v6.9-rc Here are fixes for two reported issues. One of them is a fix for a driver that tries to access a non-existent resource which prints a warning message during boot. The other one is fixing a race condition in the core framework where one struct member has been left unprotected by mutex. - interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM - interconnect: Don't access req_list while it's being manipulated Signed-off-by: Georgi Djakov * tag 'icc-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: interconnect: Don't access req_list while it's being manipulated interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM

interconnect: qcom: x1e80100: Remove inexistent ACV_PERF BCM

2024-03-14T11:51:25Z

Booting the kernel on X1E results in a message like: [ 2.561524] qnoc-x1e80100 interconnect-0: ACV_PERF could not find RPMh address And indeed, taking a look at cmd-db, no such BCM exists. Remove it. Fixes: 9f196772841e ("interconnect: qcom: Add X1E80100 interconnect provider driver") Signed-off-by: Konrad Dybcio Reviewed-by: Mike Tipton Link: https://lore.kernel.org/r/20240302-topic-faux_bcm_x1e-v1-1-c40fab7c4bc5@linaro.org Signed-off-by: Georgi Djakov

Merge tag 'icc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next

2024-03-06T14:03:31Z

Georgi writes: interconnect changes for 6.9 This pull request contains the interconnect changes for the 6.9-rc1 merge window. The highlights are below: Core changes: - Constify the of_phandle_args in xlate functions. Driver changes: - New interconnect driver for the MSM8909 platform. - New interconnect driver for the SM7150 platform. - Clean-up and removal of unused resources in drivers. - Constify some pointers to structs. Signed-off-by: Georgi Djakov * tag 'icc-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: interconnect: qcom: Add SM7150 driver support dt-bindings: interconnect: Add Qualcomm SM7150 DT bindings interconnect: constify of_phandle_args in xlate dt-bindings: interconnect: qcom,rpmh: Fix bouncing @codeaurora address interconnect: qcom: x1e80100: constify pointer to qcom_icc_bcm interconnect: qcom: sa8775p: constify pointer to qcom_icc_bcm interconnect: qcom: sm6115: constify pointer to qcom_icc_node interconnect: qcom: sm8250: constify pointer to qcom_icc_node interconnect: qcom: sa8775p: constify pointer to qcom_icc_node interconnect: qcom: msm8909: constify pointer to qcom_icc_node interconnect: qcom: x1e80100: Remove bogus per-RSC BCMs and nodes dt-bindings: interconnect: Remove bogus interconnect nodes interconnect: qcom: sm8550: Remove bogus per-RSC BCMs and nodes interconnect: qcom: Add MSM8909 interconnect provider driver dt-bindings: interconnect: Add Qualcomm MSM8909 DT bindings

interconnect: qcom: x1e80100: constify pointer to qcom_icc_bcm

2024-02-11T20:38:08Z

Pointers to struct qcom_icc_bcm are const. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Andrew Halaney Reviewed-by: Konrad Dybcio Link: https://lore.kernel.org/r/20240208105056.128448-7-krzysztof.kozlowski@linaro.org Signed-off-by: Georgi Djakov

interconnect: qcom: x1e80100: Add missing ACV enable_mask

2024-02-04T21:36:06Z

The ACV BCM is voted using bitmasks. Add the proper mask for this target. Fixes: 9f196772841e ("interconnect: qcom: Add X1E80100 interconnect provider driver") Signed-off-by: Mike Tipton Reviewed-by: Konrad Dybcio Tested-by: Abel Vesa Link: https://lore.kernel.org/r/20240202014806.7876-3-quic_mdtipton@quicinc.com Signed-off-by: Georgi Djakov

interconnect: qcom: x1e80100: Remove bogus per-RSC BCMs and nodes

2024-01-31T13:48:32Z

The downstream kernel has infrastructure for passing votes from different interconnect nodes onto different RPMh RSCs. This neither implemented, not is going to be implemented upstream (in favor of a different solution using ICC tags through the same node). Unfortunately, as it happens, meaningless (in the upstream context) parts of the vendor driver were copied, ending up causing havoc - since all "per-RSC" (in quotes because they all point to the main APPS one) BCMs defined within the driver overwrite the value in RPMh on every aggregation. To both avoid keeping bogus code around and possibly introducing impossible-to-track-down bugs (busses shutting down for no reason), get rid of the duplicated BCMs and their associated ICC nodes. Signed-off-by: Konrad Dybcio Reviewed-by: Rajendra Nayak Link: https://lore.kernel.org/r/20240102-topic-x1e_fixes-v1-1-70723e08d5f6@linaro.org Signed-off-by: Georgi Djakov

interconnect: qcom: Add X1E80100 interconnect provider driver

2023-11-23T22:24:14Z

Add driver for the Qualcomm interconnect buses found in X1E80100 based platforms. The topology consists of several NoCs that are controlled by a remote processor that collects the aggregated bandwidth for each master-slave pairs. Co-developed-by: Abel Vesa Signed-off-by: Abel Vesa Signed-off-by: Rajendra Nayak Co-developed-by: Sibi Sankar Signed-off-by: Sibi Sankar Link: https://lore.kernel.org/r/20231123135028.29433-3-quic_sibis@quicinc.com Signed-off-by: Georgi Djakov