linux-kernel - Re: [PATCH v8 04/10] OPP: Add support for parsing interconnect bandwidth

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Message-ID: <20200513070104.yr4jtfu3pyib2qts@vireshk-i7>
Date:   Wed, 13 May 2020 12:31:04 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Georgi Djakov <georgi.djakov@...aro.org>
Cc:     vireshk@...nel.org, nm@...com, sboyd@...nel.org, rjw@...ysocki.net,
        saravanak@...gle.com, sibis@...eaurora.org, mka@...omium.org,
        robh+dt@...nel.org, rnayak@...eaurora.org,
        bjorn.andersson@...aro.org, vincent.guittot@...aro.org,
        jcrouse@...eaurora.org, evgreen@...omium.org,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 04/10] OPP: Add support for parsing interconnect
 bandwidth

On 13-05-20, 12:11, Viresh Kumar wrote:
> On 12-05-20, 15:53, Georgi Djakov wrote:
> > The OPP bindings now support bandwidth values, so add support to parse it
> > from device tree and store it into the new dev_pm_opp_icc_bw struct, which
> > is part of the dev_pm_opp.
> > 
> > Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> > ---
> > v8:
> > * Drop bandwidth requests and free memory in _opp_table_kref_release.
> > * Take into account the supply_count in struct size calculations.
> > * Free the temporary arrays for peak and average bandwidth.
> > * Fix the check for opp-level.
> > * Use dev_warn insted of dev_dbg.
> > * Rename _of_find_icc_paths to _of_find_icc_paths.
> > * Rename the variable count to supply_count.
> 
> Added this delta to this patch:

+this :)

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 15f30ed70bbc..06e38f95116c 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -336,7 +336,7 @@ int dev_pm_opp_of_find_icc_paths(struct device *dev,
                                 struct opp_table *opp_table)
 {
        struct device_node *np;
-       int ret, i, count, num_paths;
+       int ret = 0, i, count, num_paths;
        struct icc_path **paths;
 
        np = of_node_get(dev->of_node);
@@ -375,10 +375,9 @@ int dev_pm_opp_of_find_icc_paths(struct device *dev,
        if (opp_table) {
                opp_table->paths = paths;
                opp_table->path_count = num_paths;
+               return 0;
        }
 
-       return 0;
-
 err:
        while (i--)
                icc_put(paths[i]);

-- 
viresh