Message ID | 20240822040734.29412-2-liulei.rjpt@vivo.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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usb drivers use devm_clk_get_enabled() helpers
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diff --git a/drivers/usb/gadget/udc/aspeed_udc.c b/drivers/usb/gadget/udc/aspeed_udc.c index f4781e611aaa..a362e31f7550 100644 --- a/drivers/usb/gadget/udc/aspeed_udc.c +++ b/drivers/usb/gadget/udc/aspeed_udc.c @@ -1459,8 +1459,6 @@ static void ast_udc_remove(struct platform_device *pdev) ctrl = ast_udc_read(udc, AST_UDC_FUNC_CTRL) & ~USB_UPSTREAM_EN; ast_udc_write(udc, ctrl, AST_UDC_FUNC_CTRL); - clk_disable_unprepare(udc->clk); - spin_unlock_irqrestore(&udc->lock, flags); if (udc->ep0_buf) @@ -1500,16 +1498,11 @@ static int ast_udc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, udc); - udc->clk = devm_clk_get(&pdev->dev, NULL); + udc->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(udc->clk)) { rc = PTR_ERR(udc->clk); goto err; } - rc = clk_prepare_enable(udc->clk); - if (rc) { - dev_err(&pdev->dev, "Failed to enable clock (0x%x)\n", rc); - goto err; - } /* Check if we need to limit the HW to USB1 */ max_speed = usb_get_maximum_speed(&pdev->dev);
The devm_clk_get_enabled() helpers: - call devm_clk_get() - call clk_prepare_enable() and register what is needed in order to call clk_disable_unprepare() when needed, as a managed resource. This simplifies the code and avoids calls to clk_disable_unprepare(). Signed-off-by: Lei Liu <liulei.rjpt@vivo.com> --- drivers/usb/gadget/udc/aspeed_udc.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)