diff options
| author | Arnaud Pouliquen <arnaud.pouliquen@foss-st.com> | 2020-12-17 17:41:25 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2021-01-07 20:24:48 +0300 |
| commit | cf34838d591f1fce426fb7823c2f1890b6d1ccc8 (patch) | |
| tree | 2a611bf56dc371a372083b8305a4ef881c5bdfce /drivers/remoteproc | |
| parent | 9e19f44d7f081e4c05d64cfcc412ab1fa43fd2bb (diff) | |
| download | linux-cf34838d591f1fce426fb7823c2f1890b6d1ccc8.tar.xz | |
remoteproc: stm32: improve debug using dev_err_probe
When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error.
The benefit is that DEFER issue will be logged in the devices_deferred
debugfs file.
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss-st.com>
Link: https://lore.kernel.org/r/20201217144125.12903-1-arnaud.pouliquen@foss.st.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/stm32_rproc.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index a180aeae9675..ccb3c14a0023 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -370,8 +370,13 @@ static int stm32_rproc_request_mbox(struct rproc *rproc) ddata->mb[i].chan = mbox_request_channel_byname(cl, name); if (IS_ERR(ddata->mb[i].chan)) { - if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) + if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) { + dev_err_probe(dev->parent, + PTR_ERR(ddata->mb[i].chan), + "failed to request mailbox %s\n", + name); goto err_probe; + } dev_warn(dev, "cannot get %s mbox\n", name); ddata->mb[i].chan = NULL; } @@ -592,15 +597,14 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, irq = platform_get_irq(pdev, 0); if (irq == -EPROBE_DEFER) - return -EPROBE_DEFER; + return dev_err_probe(dev, irq, "failed to get interrupt\n"); if (irq > 0) { err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0, dev_name(dev), pdev); - if (err) { - dev_err(dev, "failed to request wdg irq\n"); - return err; - } + if (err) + return dev_err_probe(dev, err, + "failed to request wdg irq\n"); ddata->wdg_irq = irq; @@ -613,10 +617,9 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, } ddata->rst = devm_reset_control_get_by_index(dev, 0); - if (IS_ERR(ddata->rst)) { - dev_err(dev, "failed to get mcu reset\n"); - return PTR_ERR(ddata->rst); - } + if (IS_ERR(ddata->rst)) + return dev_err_probe(dev, PTR_ERR(ddata->rst), + "failed to get mcu_reset\n"); /* * if platform is secured the hold boot bit must be written by |