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clk: tegra: fix error return case for recalc_rate 

JIRA: https://issues.redhat.com/browse/RHEL-5705

commit a47b44fbb13f5e7a981b4515dcddc93a321ae89c
Author: Timo Alho <talho@nvidia.com>
Date:   Tue Sep 12 14:29:50 2023 +0300

    clk: tegra: fix error return case for recalc_rate

    tegra-bpmp clocks driver makes implicit conversion of signed error
    code to unsigned value in recalc_rate operation. The behavior for
    recalc_rate, according to it's specification, should be that "If the
    driver cannot figure out a rate for this clock, it must return 0."

    Fixes: ca6f2796ee ("clk: tegra: Add BPMP clock driver")
    Signed-off-by: Timo Alho <talho@nvidia.com>
    Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
    Link: https://lore.kernel.org/r/20230912112951.2330497-1-cyndis@kapsi.fi
    Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Signed-off-by: Joel Slebodnick <jslebodn@redhat.com>
This commit is contained in:
Joel Slebodnick 2024-03-26 15:19:08 -04:00
parent 955afbc9cf
commit 7ef2d7a149
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/tegra/clk-bpmp.c
View File

@ -159,7 +159,7 @@ static unsigned long tegra_bpmp_clk_recalc_rate(struct clk_hw *hw,
err = tegra_bpmp_clk_transfer(clk->bpmp, &msg);
if (err < 0)
return err;
return 0;
return response.rate;
}