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remoteproc: mediatek: Allow reading firmware-name from DT

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The SCP firmware blob differs between platforms and SoCs. We add
support in the SCP driver for reading the path of firmware file from
DT in order to allow these files to live in a generic file system
(or linux-firmware).

The firmware-name property is optional and the code falls back to the
old filename if the property isn't present.

Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220419123331.14377-3-allen-kh.cheng@mediatek.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
This commit is contained in:
Allen-KH Cheng 2022-04-19 20:33:31 +08:00 committed by Mathieu Poirier
parent 31976eb180
commit 1552de67fb
1 changed files with 5 additions and 1 deletions
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6
drivers/remoteproc/mtk_scp.c
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@ -809,9 +809,13 @@ static int scp_probe(struct platform_device *pdev)
struct mtk_scp *scp;
struct rproc *rproc;
struct resource *res;
char *fw_name = "scp.img";
const char *fw_name = "scp.img";
int ret, i;
ret = rproc_of_parse_firmware(dev, 0, &fw_name);
if (ret < 0 && ret != -EINVAL)
return ret;
rproc = devm_rproc_alloc(dev, np->name, &scp_ops, fw_name, sizeof(*scp));
if (!rproc)
return dev_err_probe(dev, -ENOMEM, "unable to allocate remoteproc\n");