Thread (29 messages) 29 messages, 4 authors, 2012-09-26

[PATCH 01/10] usb: otg: msm: Convert to clk_prepare/unprepare

From: Pankaj Jangra <hidden>
Date: 2012-09-26 16:58:35
Also in: linux-arm-msm, lkml

Hi..

On Fri, Sep 21, 2012 at 7:56 AM, Stephen Boyd [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Add calls to clk_prepare and unprepare so that MSM can migrate to
the common clock framework.

Cc: Felipe Balbi <redacted>
Signed-off-by: Stephen Boyd <redacted>
---
 drivers/usb/otg/msm_otg.c | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/usb/otg/msm_otg.c b/drivers/usb/otg/msm_otg.c
index 9f5fc90..2ae0639 100644
--- a/drivers/usb/otg/msm_otg.c
+++ b/drivers/usb/otg/msm_otg.c
@@ -514,13 +514,13 @@ static int msm_otg_suspend(struct msm_otg *motg)
                        motg->pdata->otg_control == OTG_PMIC_CONTROL)
                writel(readl(USB_PHY_CTRL) | PHY_RETEN, USB_PHY_CTRL);

-       clk_disable(motg->pclk);
-       clk_disable(motg->clk);
+       clk_disable_unprepare(motg->pclk);
+       clk_disable_unprepare(motg->clk);
        if (motg->core_clk)
-               clk_disable(motg->core_clk);
+               clk_disable_unprepare(motg->core_clk);
I was under assumption that system suspend/resume might be called from
the interrupt context. If that is case then its not appropriate to
call clk_prepare/unprepare here right? or my understanding is not correct????

--
Pankaj Jangra
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