diff options
| author | Karol Trzcinski <karolx.trzcinski@linux.intel.com> | 2020-04-15 23:27:55 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-04-16 02:23:00 +0300 |
| commit | 92be17a559a8872b655512b1cf9d0bc407bace33 (patch) | |
| tree | 927ad8a4482fd41623ea0bbeed8f41160083f902 /sound/soc/sof/intel | |
| parent | 0730c0928d8941327f38dd72e53f9bdb0cc29e00 (diff) | |
| download | linux-92be17a559a8872b655512b1cf9d0bc407bace33.tar.xz | |
ASoC: SOF: Introduce offset in firmware data
It makes possible to provide extra information to host
before downloading firmware. Extra data should be put
at the beginning of firmware binary.
Exchange is done without any effort on DSP side.
This mechanism will be used in extended manifest.
Signed-off-by: Karol Trzcinski <karolx.trzcinski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200415202816.934-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel')
| -rw-r--r-- | sound/soc/sof/intel/hda-loader.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/soc/sof/intel/hda-loader.c b/sound/soc/sof/intel/hda-loader.c index e1550ccd0a49..1beaaf5879e2 100644 --- a/sound/soc/sof/intel/hda-loader.c +++ b/sound/soc/sof/intel/hda-loader.c @@ -293,8 +293,13 @@ int hda_dsp_cl_boot_firmware(struct snd_sof_dev *sdev) chip_info = desc->chip_info; - stripped_firmware.data = plat_data->fw->data; - stripped_firmware.size = plat_data->fw->size; + if (plat_data->fw->size < plat_data->fw_offset) { + dev_err(sdev->dev, "error: firmware size must be greater than firmware offset\n"); + return -EINVAL; + } + + stripped_firmware.data = plat_data->fw->data + plat_data->fw_offset; + stripped_firmware.size = plat_data->fw->size - plat_data->fw_offset; /* init for booting wait */ init_waitqueue_head(&sdev->boot_wait); |