Use of_device_get_match_data() for getting matched data
instead of implementing this locally.
Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
Acked-by: Thierry Reding <treding@xxxxxxxxxx>
---
Changes form V1:
- Found that it is possible to move of_device_id table to down
where this is used i.e. just above the platform driver structure.
Make this change on V2.
- Added Acked by from Thierry.
drivers/dma/tegra20-apb-dma.c | 47 ++++++++++++++++++++-----------------------
1 file changed, 22 insertions(+), 25 deletions(-)
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 935da81..3871f29 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -1292,40 +1292,19 @@ static const struct tegra_dma_chip_data tegra148_dma_chip_data = {
.support_separate_wcount_reg = true,
};
-
-static const struct of_device_id tegra_dma_of_match[] = {
- {
- .compatible = "nvidia,tegra148-apbdma",
- .data = &tegra148_dma_chip_data,
- }, {
- .compatible = "nvidia,tegra114-apbdma",
- .data = &tegra114_dma_chip_data,
- }, {
- .compatible = "nvidia,tegra30-apbdma",
- .data = &tegra30_dma_chip_data,
- }, {
- .compatible = "nvidia,tegra20-apbdma",
- .data = &tegra20_dma_chip_data,
- }, {
- },
-};
-MODULE_DEVICE_TABLE(of, tegra_dma_of_match);
-
static int tegra_dma_probe(struct platform_device *pdev)
{
struct resource *res;
struct tegra_dma *tdma;
int ret;
int i;
- const struct tegra_dma_chip_data *cdata = NULL;
- const struct of_device_id *match;
+ const struct tegra_dma_chip_data *cdata;
- match = of_match_device(tegra_dma_of_match, &pdev->dev);
- if (!match) {
- dev_err(&pdev->dev, "Error: No device match found\n");
+ cdata = of_device_get_match_data(&pdev->dev);
+ if (!cdata) {
+ dev_err(&pdev->dev, "Error: No device match data found\n");
return -ENODEV;
}
- cdata = match->data;
tdma = devm_kzalloc(&pdev->dev, sizeof(*tdma) + cdata->nr_channels *
sizeof(struct tegra_dma_channel), GFP_KERNEL);
@@ -1612,6 +1591,24 @@ static const struct dev_pm_ops tegra_dma_dev_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(tegra_dma_pm_suspend, tegra_dma_pm_resume)
};
+static const struct of_device_id tegra_dma_of_match[] = {
+ {
+ .compatible = "nvidia,tegra148-apbdma",
+ .data = &tegra148_dma_chip_data,
+ }, {
+ .compatible = "nvidia,tegra114-apbdma",
+ .data = &tegra114_dma_chip_data,
+ }, {
+ .compatible = "nvidia,tegra30-apbdma",
+ .data = &tegra30_dma_chip_data,
+ }, {
+ .compatible = "nvidia,tegra20-apbdma",
+ .data = &tegra20_dma_chip_data,
+ }, {
+ },
+};
+MODULE_DEVICE_TABLE(of, tegra_dma_of_match);
+
static struct platform_driver tegra_dmac_driver = {
.driver = {
.name = "tegra-apbdma",
--
2.1.4
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
