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| author | Sudeep Holla <sudeep.holla@arm.com> | 2016-10-19 14:51:10 +0200 |
|---|---|---|
| committer | Sudeep Holla <sudeep.holla@arm.com> | 2016-11-17 16:31:20 +0000 |
| commit | 8358c6b5fc8c160d0af8654f313b8a7745f8e304 (patch) | |
| tree | bb401654a2a932d013772d0c8657cf6cb4758dcc /drivers/firmware | |
| parent | 42b3178b0a055a71891649a39a659476f5aa83af (diff) | |
| download | linux-8358c6b5fc8c160d0af8654f313b8a7745f8e304.tar.bz2 | |
firmware: arm_scpi: add support for pre-v1.0 SCPI compatible
This patch adds new DT match table to setup the support for SCPI protocol
versions prior to v1.0 releases. It also adds "arm,scpi-pre-1.0" to the
SCPI match entry.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_scpi.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scpi.c b/drivers/firmware/arm_scpi.c index 902233642bd3..70e13230d8db 100644 --- a/drivers/firmware/arm_scpi.c +++ b/drivers/firmware/arm_scpi.c @@ -871,6 +871,11 @@ static int scpi_alloc_xfer_list(struct device *dev, struct scpi_chan *ch) return 0; } +static const struct of_device_id legacy_scpi_of_match[] = { + {.compatible = "arm,scpi-pre-1.0"}, + {}, +}; + static int scpi_probe(struct platform_device *pdev) { int count, idx, ret; @@ -883,6 +888,9 @@ static int scpi_probe(struct platform_device *pdev) if (!scpi_info) return -ENOMEM; + if (of_match_device(legacy_scpi_of_match, &pdev->dev)) + scpi_info->is_legacy = true; + count = of_count_phandle_with_args(np, "mboxes", "#mbox-cells"); if (count < 0) { dev_err(dev, "no mboxes property in '%s'\n", np->full_name); @@ -984,6 +992,7 @@ err: static const struct of_device_id scpi_of_match[] = { {.compatible = "arm,scpi"}, + {.compatible = "arm,scpi-pre-1.0"}, {}, }; |