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MLK-23400-1: dmaengine: imx-sdma: add sdma restore back for i.mx8mp

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Add sdma restore back for i.mx8mp since its power resource audioimx will
be off after suspend.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
(cherry picked from commit c2c7f599ab)
This commit is contained in:
Robin Gong 2020-02-27 18:26:27 +08:00
parent 3f6dafa83e
commit 5f5d0eda21
1 changed files with 16 additions and 4 deletions
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20
drivers/dma/imx-sdma.c
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@ -630,6 +630,14 @@ static struct sdma_driver_data sdma_imx8mq = {
.ecspi_fixed = true,
};
static struct sdma_driver_data sdma_imx8mp = {
.chnenbl0 = SDMA_CHNENBL0_IMX35,
.num_events = 48,
.script_addrs = &sdma_script_imx7d,
.check_ratio = 1,
.ecspi_fixed = true,
};
static const struct platform_device_id sdma_devtypes[] = {
{
.name = "imx25-sdma",
@ -661,6 +669,9 @@ static const struct platform_device_id sdma_devtypes[] = {
}, {
.name = "imx8mq-sdma",
.driver_data = (unsigned long)&sdma_imx8mq,
}, {
.name = "imx8mp-sdma",
.driver_data = (unsigned long)&sdma_imx8mp,
}, {
/* sentinel */
}
@ -678,6 +689,7 @@ static const struct of_device_id sdma_dt_ids[] = {
{ .compatible = "fsl,imx7d-sdma", .data = &sdma_imx7d, },
{ .compatible = "fsl,imx6ul-sdma", .data = &sdma_imx6ul, },
{ .compatible = "fsl,imx8mq-sdma", .data = &sdma_imx8mq, },
{ .compatible = "fsl,imx8mp-sdma", .data = &sdma_imx8mp, },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sdma_dt_ids);
@ -2448,9 +2460,9 @@ static int sdma_suspend(struct device *dev)
struct sdma_engine *sdma = platform_get_drvdata(pdev);
int i, ret = 0;
/* Do nothing if not i.MX6SX or i.MX7D*/
/* Do nothing if not i.MX6SX or i.MX7D, i.MX8MP */
if (sdma->drvdata != &sdma_imx6sx && sdma->drvdata != &sdma_imx7d
&& sdma->drvdata != &sdma_imx6ul)
&& sdma->drvdata != &sdma_imx6ul && sdma->drvdata != &sdma_imx8mp)
return 0;
clk_enable(sdma->clk_ipg);
@ -2488,9 +2500,9 @@ static int sdma_resume(struct device *dev)
unsigned long timeout = jiffies + msecs_to_jiffies(2);
int i, ret;
/* Do nothing if not i.MX6SX or i.MX7D*/
/* Do nothing if not i.MX6SX or i.MX7D, i.MX8MP*/
if (sdma->drvdata != &sdma_imx6sx && sdma->drvdata != &sdma_imx7d
&& sdma->drvdata != &sdma_imx6ul)
&& sdma->drvdata != &sdma_imx6ul && sdma->drvdata != &sdma_imx8mp)
return 0;
clk_enable(sdma->clk_ipg);