From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans de Goede Date: Mon, 08 Jun 2015 15:24:34 +0200 Subject: [U-Boot] [PATCH] dm: usb.h: Always declare usb func. prototypes when CONFIG_DM_USB=y In-Reply-To: <201506071505.27608.marex@denx.de> References: <1433578882-26480-1-git-send-email-hdegoede@redhat.com> <201506071505.27608.marex@denx.de> Message-ID: <55759792.2080409@redhat.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Hi, On 07-06-15 15:05, Marek Vasut wrote: > On Saturday, June 06, 2015 at 10:21:22 AM, Hans de Goede wrote: >> When CONFIG_DM_USB=y the various usb functions are available regardless of >> any controller drivers being enabled, so always the usb function prototypes >> when CONFIG_DM_USB=y. >> >> This fixes compile warnings due to missing prototypes on ARCHs where >> the ARCH Kconfig always enables CONFIG_DM_USB and various usb drivers. >> >> One could argue that in the case of no controllers CONFIG_DM_USB should not >> be set, but this problem is typically seen during bringup of boards which >> do actually have usb controllers. >> >> Signed-off-by: Hans de Goede >> --- >> include/usb.h | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/include/usb.h b/include/usb.h >> index c709ce2..54ad33a 100644 >> --- a/include/usb.h >> +++ b/include/usb.h >> @@ -180,7 +180,7 @@ enum usb_init_type { >> defined(CONFIG_USB_MUSB_DSPS) || defined(CONFIG_USB_MUSB_AM35X) || \ >> defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined(CONFIG_USB_MUSB_SUNXI) || > \ >> defined(CONFIG_USB_XHCI) || defined(CONFIG_USB_DWC2) || \ >> - defined(CONFIG_USB_EMUL) >> + defined(CONFIG_USB_EMUL) || defined(CONFIG_DM_USB) > > What would happen in case we instead dropped this horrible ifdef altogether, > do you think it'd break anything ? I've not audited the code, but I believe that it only declares a bunch of function prototypes, so I think that dropping the entire #ifdef is fine. Regards, Hans