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MLK-11831-2 usb: chipidea: imx: add request{release}_bus_freq 

When the usb in idle, it calls release_bus_req.
When the usb is going to use, it calls request_bus_req.
This is a rework patch of ENGR00286459 and ENGR00286926.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
5.4-rM2-2.2.x-imx-squashed
Peter Chen 2019-08-23 16:17:16 +08:00 committed by Dong Aisheng
parent 76945d371b
commit 267994809b
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -14,6 +14,7 @@
#include <linux/clk.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pm_qos.h>
#include <linux/busfreq-imx.h>
#include "ci.h"
#include "ci_hdrc_imx.h"
@ -385,6 +386,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
pm_qos_add_request(&data->pm_qos_req,
PM_QOS_CPU_DMA_LATENCY, 0);
request_bus_freq(BUS_FREQ_HIGH);
ret = imx_get_clks(dev);
if (ret)
goto disable_hsic_regulator;
@ -463,6 +465,7 @@ disable_device:
err_clk:
imx_disable_unprepare_clks(dev);
disable_hsic_regulator:
release_bus_freq(BUS_FREQ_HIGH);
if (data->hsic_pad_regulator)
/* don't overwrite original ret (cf. EPROBE_DEFER) */
regulator_disable(data->hsic_pad_regulator);
@ -491,6 +494,7 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
usb_phy_shutdown(data->phy);
if (data->ci_pdev) {
imx_disable_unprepare_clks(&pdev->dev);
release_bus_freq(BUS_FREQ_HIGH);
if (data->plat_data->flags & CI_HDRC_PMQOS)
pm_qos_remove_request(&data->pm_qos_req);
if (data->hsic_pad_regulator)
@ -519,6 +523,7 @@ static int __maybe_unused imx_controller_suspend(struct device *dev)
}
imx_disable_unprepare_clks(dev);
release_bus_freq(BUS_FREQ_HIGH);
if (data->plat_data->flags & CI_HDRC_PMQOS)
pm_qos_remove_request(&data->pm_qos_req);
@ -543,6 +548,7 @@ static int __maybe_unused imx_controller_resume(struct device *dev)
pm_qos_add_request(&data->pm_qos_req,
PM_QOS_CPU_DMA_LATENCY, 0);
request_bus_freq(BUS_FREQ_HIGH);
ret = imx_prepare_enable_clks(dev);
if (ret)
return ret;