On 06/11/17 17:26, Sinan Kaya wrote:
> Add support for probing the newer HW.
>
> Signed-off-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
> ---
> drivers/dma/qcom/hidma.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c
> index e366985..29d6aaa 100644
> --- a/drivers/dma/qcom/hidma.c
> +++ b/drivers/dma/qcom/hidma.c
> @@ -749,9 +749,13 @@ static bool hidma_msi_capable(struct device *dev)
> return false;
>
> ret = strcmp(of_compat, "qcom,hidma-1.1");
> + if (ret)
> + ret = strcmp(of_compat, "qcom,hidma-1.2");
> } else {
> #ifdef CONFIG_ACPI
> ret = strcmp(acpi_device_hid(adev), "QCOM8062");
> + if (ret)
> + ret = strcmp(acpi_device_hid(adev), "QCOM8063");
This string-juggling looks to have already hit the point at which it
doesn't scale well - it would be a lot nicer to make use of
of_device_get_match_data() and the ACPI equivalent to abstract the
version-specific data appropriately.
Robin.
> #endif
> }
> return ret == 0;
> @@ -954,6 +958,7 @@ static int hidma_remove(struct platform_device *pdev)
> static const struct acpi_device_id hidma_acpi_ids[] = {
> {"QCOM8061"},
> {"QCOM8062"},
> + {"QCOM8063"},
> {},
> };
> MODULE_DEVICE_TABLE(acpi, hidma_acpi_ids);
> @@ -962,6 +967,7 @@ static int hidma_remove(struct platform_device *pdev)
> static const struct of_device_id hidma_match[] = {
> {.compatible = "qcom,hidma-1.0",},
> {.compatible = "qcom,hidma-1.1",},
> + {.compatible = "qcom,hidma-1.2",},
> {},
> };
> MODULE_DEVICE_TABLE(of, hidma_match);
>
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