This is a note to let you know that I've just added the patch titled
usb: musb: ux500: use clk_prepare_enable and clk_disable_unprepare
to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release
during the merge window.
If you have any questions about this process, please let me know.
>From 99d17cfa3bbc6f4edb175f819af59c6b9e245e82 Mon Sep 17 00:00:00 2001
From: Fabio Baltieri <[email protected]>
Date: Mon, 7 Jan 2013 17:47:41 +0100
Subject: usb: musb: ux500: use clk_prepare_enable and clk_disable_unprepare
This patch converts the module to use clk_prepare_enable and
clk_disable_unprepare variants as required by common clock framework.
Without this the system crash during probe function.
Cc: <[email protected]> # v3.7 v3.8
Signed-off-by: Fabio Baltieri <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
---
drivers/usb/musb/ux500.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index a27ca1a..0804661 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -108,7 +108,7 @@ static int ux500_probe(struct platform_device *pdev)
goto err3;
}
- ret = clk_enable(clk);
+ ret = clk_prepare_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
goto err4;
@@ -148,7 +148,7 @@ static int ux500_probe(struct platform_device *pdev)
return 0;
err5:
- clk_disable(clk);
+ clk_disable_unprepare(clk);
err4:
clk_put(clk);
@@ -168,7 +168,7 @@ static int ux500_remove(struct platform_device *pdev)
struct ux500_glue *glue = platform_get_drvdata(pdev);
platform_device_unregister(glue->musb);
- clk_disable(glue->clk);
+ clk_disable_unprepare(glue->clk);
clk_put(glue->clk);
kfree(glue);
@@ -182,7 +182,7 @@ static int ux500_suspend(struct device *dev)
struct musb *musb = glue_to_musb(glue);
usb_phy_set_suspend(musb->xceiv, 1);
- clk_disable(glue->clk);
+ clk_disable_unprepare(glue->clk);
return 0;
}
@@ -193,7 +193,7 @@ static int ux500_resume(struct device *dev)
struct musb *musb = glue_to_musb(glue);
int ret;
- ret = clk_enable(glue->clk);
+ ret = clk_prepare_enable(glue->clk);
if (ret) {
dev_err(dev, "failed to enable clock\n");
return ret;
--
1.8.1.rc1.5.g7e0651a
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