From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 1/3] ARM: cache: add an empty stub function for invalidate/flush dcache
Date: Fri, 5 Jun 2015 15:18:49 +0200 [thread overview]
Message-ID: <201506051518.49587.marex@denx.de> (raw)
In-Reply-To: <1433490452-26402-1-git-send-email-josh.wu@atmel.com>
On Friday, June 05, 2015 at 09:47:30 AM, Josh Wu wrote:
> Since some driver like ohci, lcd used dcache functions. But some ARM
> cpu don't implement the invalidate_dcache_range()/flush_dcache_range()
> functions.
>
> To avoid compiling errors this patch adds an weak empty stub function
> for all ARM cpu.
>
> And each cpu can implement its own implementation. If not implemented
> by default it will use an empty function.
>
> Signed-off-by: Josh Wu <josh.wu@atmel.com>
> ---
>
> Changes in v2: new added
>
> arch/arm/lib/cache.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
So, why exactly can't this be entirely common code , but a CPU-specific
code ? :)
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-06-05 13:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-05 7:47 [U-Boot] [PATCH v2 1/3] ARM: cache: add an empty stub function for invalidate/flush dcache Josh Wu
2015-06-05 7:47 ` [U-Boot] [PATCH v2 2/3] m68k: cache: add an empty stub functions " Josh Wu
2015-06-05 21:29 ` Angelo Dureghello
2015-06-05 7:47 ` [U-Boot] [PATCH v2 3/3] usb: ohci: enable cache support Josh Wu
2015-06-05 13:18 ` Marek Vasut [this message]
2015-06-08 2:05 ` [U-Boot] [PATCH v2 1/3] ARM: cache: add an empty stub function for invalidate/flush dcache Josh Wu
2015-06-08 8:26 ` Marek Vasut
2015-06-08 9:15 ` Josh Wu
2015-06-08 13:20 ` Tom Rini
2015-06-09 3:54 ` Josh Wu
2015-06-09 13:11 ` Tom Rini
2015-06-10 9:49 ` Josh Wu
2015-06-10 9:58 ` Marek Vasut
2015-06-11 5:03 ` Josh Wu
2015-06-10 18:20 ` Tom Rini
2015-06-11 5:21 ` [U-Boot] [resend][PATCH 0/2] ARM: cache: clean up the code to drop the empty stub functions Josh Wu
2015-06-11 5:21 ` [U-Boot] [PATCH 1/2] ARM: cache: drop the empty dcache functions as we have it in lib/cache.c Josh Wu
2015-09-12 9:14 ` Albert ARIBAUD
2015-09-12 13:17 ` Tom Rini
2015-06-11 5:21 ` [U-Boot] [PATCH 2/2] ARM: cache: implement a default flush_cache() function Josh Wu
2015-07-01 2:01 ` [U-Boot] [resend][PATCH 0/2] ARM: cache: clean up the code to drop the empty stub functions Josh Wu
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