#include <linux/pm_runtime.h>
#include <linux/of_device.h>
-#include "pwm-tipwmss.h"
-
/* EHRPWM registers and bits definitions */
/* Time base module registers */
struct resource *r;
struct clk *clk;
struct ehrpwm_pwm_chip *pc;
- u16 status;
pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL);
if (!pc)
}
pm_runtime_enable(&pdev->dev);
- pm_runtime_get_sync(&pdev->dev);
-
- status = pwmss_submodule_state_change(pdev->dev.parent,
- PWMSS_EPWMCLK_EN);
- if (!(status & PWMSS_EPWMCLK_EN_ACK)) {
- dev_err(&pdev->dev, "PWMSS config space clock enable failed\n");
- ret = -EINVAL;
- goto pwmss_clk_failure;
- }
-
- pm_runtime_put_sync(&pdev->dev);
platform_set_drvdata(pdev, pc);
return 0;
-
-pwmss_clk_failure:
- pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
- pwmchip_remove(&pc->chip);
- clk_unprepare(pc->tbclk);
- return ret;
}
static int ehrpwm_pwm_remove(struct platform_device *pdev)
clk_unprepare(pc->tbclk);
- pm_runtime_get_sync(&pdev->dev);
- /*
- * Due to hardware misbehaviour, acknowledge of the stop_req
- * is missing. Hence checking of the status bit skipped.
- */
- pwmss_submodule_state_change(pdev->dev.parent, PWMSS_EPWMCLK_STOP_REQ);
- pm_runtime_put_sync(&pdev->dev);
-
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return pwmchip_remove(&pc->chip);