lkml.org 
[lkml]   [2020]   [Apr]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH AUTOSEL 5.6 020/129] memory: tegra: Correct debugfs clk rate-range on Tegra124
    Date
    From: Dmitry Osipenko <digetx@gmail.com>

    [ Upstream commit 141267bffd1dc19a76e4d50e3e4829f85a806875 ]

    Correctly set clk rate-range if number of available timings is zero.
    This fixes noisy "invalid range [4294967295, 0]" error messages during
    boot.

    Fixes: 6b9acd935546 ("memory: tegra: Refashion EMC debugfs interface on Tegra124")
    Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
    Signed-off-by: Thierry Reding <treding@nvidia.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/memory/tegra/tegra124-emc.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
    index 21f05240682b8..33b8216bac30c 100644
    --- a/drivers/memory/tegra/tegra124-emc.c
    +++ b/drivers/memory/tegra/tegra124-emc.c
    @@ -1158,6 +1158,11 @@ static void emc_debugfs_init(struct device *dev, struct tegra_emc *emc)
    emc->debugfs.max_rate = emc->timings[i].rate;
    }

    + if (!emc->num_timings) {
    + emc->debugfs.min_rate = clk_get_rate(emc->clk);
    + emc->debugfs.max_rate = emc->debugfs.min_rate;
    + }
    +
    err = clk_set_rate_range(emc->clk, emc->debugfs.min_rate,
    emc->debugfs.max_rate);
    if (err < 0) {
    --
    2.20.1
    \
     
     \ /
      Last update: 2020-04-15 13:40    [W:2.697 / U:0.208 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site