usb: musb: fix error return code in da8xx_musb_init()

Fix to return a negative error code -ENODEV instead of 0 as before
commit 09721ba6daa1 ("usb: musb: da8xx: Call earlier
clk_prepare_enable()") did.

Signed-off-by: Wang Yufen <wangyufen@huawei.com>
Link: https://lore.kernel.org/r/1669473332-14165-1-git-send-email-wangyufen@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index a4e55b0c52cffd467d7c5b4d354bcaf2c64a00e0..d47e5c94587b2234a1cb8f3550be90c040fbb4b1 100644 (file)
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -368,8 +368,10 @@ static int da8xx_musb_init(struct musb *musb)
 
        /* Returns zero if e.g. not clocked */
        rev = musb_readl(reg_base, DA8XX_USB_REVISION_REG);
-       if (!rev)
+       if (!rev) {
+               ret = -ENODEV;
                goto fail;
+       }
 
        musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
        if (IS_ERR_OR_NULL(musb->xceiv)) {