From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hBaEB-0007EJ-Ql for barebox@lists.infradead.org; Wed, 03 Apr 2019 07:22:33 +0000 Date: Wed, 3 Apr 2019 09:22:30 +0200 From: Sascha Hauer Message-ID: <20190403072230.jku5azrmwsp6jztk@pengutronix.de> References: <20190401101822.7392-1-a.fatoum@pengutronix.de> <20190401101822.7392-5-a.fatoum@pengutronix.de> <20190402172521.GA18142@ravnborg.org> <8be2df02-cd5f-f879-8041-0c2cad0e0c19@pengutronix.de> <20190402191837.GA5916@ravnborg.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190402191837.GA5916@ravnborg.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: [PATCH v3 04/15] ARM: at91: replace at91sam9_ddrsdr.h with at91bootstrap's at91_ddrsdrc.h To: Sam Ravnborg Cc: barebox@lists.infradead.org, Ahmad Fatoum On Tue, Apr 02, 2019 at 09:18:37PM +0200, Sam Ravnborg wrote: > Hi Ahmad. > > > > > > > If we introduced the following small helpers we could simplify the call sites > > > to just use at91_get_ddram_size(AT91SAM9G45_BASE_DDRSDRC0) and similar. > > > > > > static inline u32 at91_get_ddram_size(void __force __iomem * addr) > > > { > > > return __at91_get_ddram_size(IOMEM(addr), true); > > > } > > > > > > static inline u32 at91sam9g45_get_ddram_size(void __force __iomem * addr) > > > { > > > return __at91_get_ddram_size(IOMEM(addr), false); > > > } > > > > That would still require the pointer cast to pacify the -Wint-conversion. > > And (void*)ADDR looks only marginally better IOMEM(ADDR) IMO > > at the cost of having sparse miss passing memory pointers > > (__force __iomem would be equivalent to just __attribute__((noderef)), wouldn't it?) > > > > My preference would've been that AT91SAM9G45_BASE_DDRSDRC0 already expands > > to a void __iomem *. > The main idea was to get rid of the bool argument and use more explicit function > names. +1 for explicit function names. It's easier for the caller to get it right. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox