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| author | Jonathan Neuschäfer <j.neuschaefer@gmx.net> | 2017-04-05 14:10:48 +0200 |
|---|---|---|
| committer | Andy Gross <andy.gross@linaro.org> | 2017-06-05 21:50:44 -0500 |
| commit | 35dfa3efea635c41cc5be1cf48dcc96b295964cd (patch) | |
| tree | c6c8a172a15842e99c9759de8da94a70eb34ff56 /drivers/soc | |
| parent | 2ea659a9ef488125eb46da6eb571de5eae5c43f6 (diff) | |
| download | linux-0-day-35dfa3efea635c41cc5be1cf48dcc96b295964cd.tar.gz linux-0-day-35dfa3efea635c41cc5be1cf48dcc96b295964cd.tar.xz | |
soc: qcom: smsm: Improve error handling, quiesce probe deferral
Don't use size if info indicates an error condition. Previously a
non-ENOENT error (such as -EPROBE_DEFER) would lead to size being used
even though it hadn't necessarily been initialized in qcom_smem_get.
Don't print an error message in the -EPROBE_DEFER case.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/qcom/smsm.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/soc/qcom/smsm.c b/drivers/soc/qcom/smsm.c index d0337b2a71c81..dc540ea92e9d8 100644 --- a/drivers/soc/qcom/smsm.c +++ b/drivers/soc/qcom/smsm.c @@ -439,14 +439,15 @@ static int smsm_get_size_info(struct qcom_smsm *smsm) } *info; info = qcom_smem_get(QCOM_SMEM_HOST_ANY, SMEM_SMSM_SIZE_INFO, &size); - if (PTR_ERR(info) == -ENOENT || size != sizeof(*info)) { + if (IS_ERR(info) && PTR_ERR(info) != -ENOENT) { + if (PTR_ERR(info) != -EPROBE_DEFER) + dev_err(smsm->dev, "unable to retrieve smsm size info\n"); + return PTR_ERR(info); + } else if (IS_ERR(info) || size != sizeof(*info)) { dev_warn(smsm->dev, "no smsm size info, using defaults\n"); smsm->num_entries = SMSM_DEFAULT_NUM_ENTRIES; smsm->num_hosts = SMSM_DEFAULT_NUM_HOSTS; return 0; - } else if (IS_ERR(info)) { - dev_err(smsm->dev, "unable to retrieve smsm size info\n"); - return PTR_ERR(info); } smsm->num_entries = info->num_entries; |