Re: [PATCH] remoteproc: report firmware name on load failures

From: Mathieu Poirier
Date: Tue Sep 06 2022 - 15:46:31 EST


On Wed, Aug 31, 2022 at 07:17:36PM +0300, Krzysztof Kozlowski wrote:
> remoteproc error messages like:
> remoteproc remoteproc0: request_firmware failed: -2
> remoteproc remoteproc1: request_firmware failed: -2
> are difficult to debug as one actually have no clue which device
> reported it and which firmware is missing. Be verbose and print the
> name of the failed firmware.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> ---
> drivers/remoteproc/remoteproc_core.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
> index e5279ed9a8d7..71cd7ed7a970 100644
> --- a/drivers/remoteproc/remoteproc_core.c
> +++ b/drivers/remoteproc/remoteproc_core.c
> @@ -1923,7 +1923,8 @@ int rproc_trigger_recovery(struct rproc *rproc)
> /* load firmware */
> ret = request_firmware(&firmware_p, rproc->firmware, dev);
> if (ret < 0) {
> - dev_err(dev, "request_firmware failed: %d\n", ret);
> + dev_err(dev, "request_firmware %s failed: %d\n",
> + rproc->firmware, ret);
> goto unlock_mutex;
> }
>
> @@ -2023,7 +2024,8 @@ int rproc_boot(struct rproc *rproc)
> /* load firmware */
> ret = request_firmware(&firmware_p, rproc->firmware, dev);
> if (ret < 0) {
> - dev_err(dev, "request_firmware failed: %d\n", ret);
> + dev_err(dev, "request_firmware %s failed: %d\n",
> + rproc->firmware, ret);

That information is already available in sysfs but if you are really keen on it
please do the same for rproc_trigger_auto_boot().

Thanks,
Mathieu

> goto downref_rproc;
> }
>
> --
> 2.34.1
>