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6 Commits

Author SHA1 Message Date
Georgi Djakov
7ab1e91176 interconnect: qcom: qcs404: Remove GPU and display RPM IDs 
The following errors are noticed during boot on a QCS404 board:
[    2.926647] qcom_icc_rpm_smd_send mas 6 error -6
[    2.934573] qcom_icc_rpm_smd_send mas 8 error -6

These errors show when we try to configure the GPU and display nodes.
Since these particular nodes aren't supported on RPM and are purely
local, we should just change their mas_rpm_id to -1 to avoid any
requests being sent for these master IDs.

Reviewed-by: Mike Tipton <mdtipton@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201118111044.26056-1-georgi.djakov@linaro.org
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2020-11-20 15:52:05 +02:00
Georgi Djakov
b92c35e1b9 interconnect: qcom: Use the standard aggregate function 
Now we have a common function for standard aggregation, so let's use it,
instead of duplicating the code.

Reviewed-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2019-12-16 09:25:24 +02:00
Georgi Djakov
ad3703ac24 interconnect: qcom: Use the new common helper for node removal 
There is a new helper function for removing all nodes. Let's use it instead
of duplicating the code.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2019-12-16 09:25:23 +02:00
Georgi Djakov
f39488ea2a interconnect: qcom: qcs404: Walk the list safely on node removal 
As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().

Fixes: 5e4e6c4d3a ("interconnect: qcom: Add QCS404 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: <stable@vger.kernel.org> # v5.4
Link: https://lore.kernel.org/r/20191212075332.16202-4-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-12-12 10:28:53 +01:00
Leonard Crestez
83c774f0c6 interconnect: qcom: Fix icc_onecell_data allocation 
This is a struct with a trailing zero-length array of icc_node pointers
but it's allocated as if it were a single array of icc_nodes instead.

This allocates too much memory at probe time but shouldn't have any
noticeable effect. Both sdm845 and qcs404 are affected.

Fix by replacing kcalloc with kzalloc and using the "struct_size" macro.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Fixes: 5e4e6c4d3a ("interconnect: qcom: Add QCS404 interconnect provider driver")
Link: https://lore.kernel.org/linux-pm/a7360abb6561917e30bbfaa6084578449152bf1d.1569348056.git.leonard.crestez@nxp.com/
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2019-10-20 12:09:31 +03:00
Bjorn Andersson
5e4e6c4d3a interconnect: qcom: Add QCS404 interconnect provider driver 
Add driver for the interconnect buses found in Qualcomm QCS404-based
platforms. The topology consists of three NoCs that are controlled by
a remote processor. This remote processor collects the aggregated
bandwidth for each master-slave pairs.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
 2019-08-13 23:26:08 +03:00