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10 Commits

Author SHA1 Message Date
Krzysztof Kozlowski
2ccf33c063 interconnect: qcom: constify icc_node pointers 
Pointers to struct qcom_icc_node (and similar structures) are not
modified, so they can be made const for safety.  The contents of struct
qcom_icc_node must stay non-const.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220412102623.227607-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2022-04-23 15:11:48 +03:00
Krzysztof Kozlowski
1625aaa3fe interconnect: qcom: constify qcom_icc_desc 
struct qcom_icc_desc is not modified so it can be made const for safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220412102623.227607-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2022-04-23 15:11:35 +03:00
Shawn Guo
e9d54c2634 interconnect: icc-rpm: Define ICC device type 
The driver currently uses .is_bimc_node to distinguish device type BIMC
from NOC.  Define type for bus/noc devices like what downstream[1] does
to make support for more types easier.

[1] https://source.codeaurora.org/quic/la/kernel/msm-4.19/tree/drivers/soc/qcom/msm_bus/msm_bus_core.h?h=kernel.lnx.4.19.r22-rel#n46

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20211215002324.1727-2-shawn.guo@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2021-12-15 07:12:36 +02:00
Dmitry Baryshkov
cbf91c8715 interconnect: msm8916: add support for AP-owned nodes 
Port support for AP-owned nodes from the downstream device tree.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210903232421.1384199-8-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2021-10-04 14:13:58 +03:00
Dmitry Baryshkov
6b9bbedda0 interconnect: msm8916: expand DEFINE_QNODE macros 
In preparation to adding AP-owned nodes support to msm8916 expand
DEFINE_QNODE macros in the driver.

Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Link: https://lore.kernel.org/r/20210903232421.1384199-7-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2021-10-04 14:13:58 +03:00
Dmitry Baryshkov
63e8ab610d interconnect: icc-rpm: move bus clocks handling into qnoc_probe 
All icc-rpm drivers use the same set of bus clocks. Move handling of bus
clocks to qnoc_probe. This both simplifies the code and allows using
qnoc_probe as device's probe function.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Tested-by: Shawn Guo <shawn.guo@linaro.org>
Link: https://lore.kernel.org/r/20210903232421.1384199-2-dmitry.baryshkov@linaro.org
Signed-off-by: Georgi Djakov <djakov@kernel.org>
 2021-10-04 13:37:47 +03:00
Jun Nie
62feb14ee8 interconnect: qcom: Consolidate interconnect RPM support 
Add RPM based interconnect driver implements the set and aggregate
functionalities that translates bandwidth requests into RPM messages.
These modules provide a common set of functionalities for all
Qualcomm RPM based interconnect providers and should help reduce code
duplication when adding new providers.

Signed-off-by: Jun Nie <jun.nie@linaro.org>
Link: https://lore.kernel.org/r/20201204075345.5161-2-jun.nie@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2021-01-05 13:09:58 +02:00
Georgi Djakov
c497f9322a interconnect: qcom: msm8916: Remove rpm-ids from non-RPM nodes 
Some nodes are incorrectly marked as RPM-controlled (they have RPM
master and slave ids assigned), but are actually controlled by the
application CPU instead. The RPM complains when we send requests for
resources that it can't control. Let's fix this by replacing the IDs,
with the default "-1" in which case no requests are sent.

Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Link: https://lore.kernel.org/r/20201112105140.10092-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2020-11-20 15:51:51 +02:00
Georgi Djakov
92d232d176 interconnect: msm8916: Fix buswidth of pcnoc_s nodes 
The buswidth of the pcnoc_s_* nodes is actually not 8, but
4 bytes. Let's fix it.

Reported-by: Jun Nie <jun.nie@linaro.org>
Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Fixes: 30c8fa3ec6 ("interconnect: qcom: Add MSM8916 interconnect provider driver")
Link: https://lore.kernel.org/r/20200709130004.12462-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200723083735.5616-3-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-07-23 10:45:24 +02:00
Georgi Djakov
30c8fa3ec6 interconnect: qcom: Add MSM8916 interconnect provider driver 
Add driver for the Qualcomm interconnect buses found in MSM8916 based
platforms. The topology consists of three NoCs that are controlled by
a remote processor that collects the aggregated bandwidth for each
master-slave pairs.

Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2020-01-07 09:30:09 +02:00