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From: Thomas Chou <thomas@wytron.com.tw>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2] nios2: convert dma_alloc_coherent to use memalign
Date: Fri, 9 Oct 2015 16:48:31 +0800	[thread overview]
Message-ID: <56177F5F.7060009@wytron.com.tw> (raw)
In-Reply-To: <201510082343.02636.marex@denx.de>

Hi Marek,

On 10/09/2015 05:43 AM, Marek Vasut wrote:
> I'd suggest that you do this:
>
> void *reg;
> unsigned long *h = memalign(...);
> flush_dcache_range();
>
> reg = ioremap();
> if (!reg)
>    fail here
>
> *handle = h; // modify handle after we know ioremap succeeded.
>
> return reg;
>

Thanks a lot for your suggestion. It is much clear with this.

Best regards,
Thomas

  reply	other threads:[~2015-10-09  8:48 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-05  2:57 [U-Boot] [PATCH] nios2: convert dma mapping to use dm cpu data Thomas Chou
2015-10-06  6:49 ` [U-Boot] [PATCH v2] nios2: convert dma_alloc_coherent to use memalign Thomas Chou
2015-10-08 21:43   ` Marek Vasut
2015-10-09  8:48     ` Thomas Chou [this message]
2015-10-09 11:35       ` Thomas Chou
2015-10-09 11:31 ` [U-Boot] [PATCH v3] " Thomas Chou
2015-10-09 14:49   ` Marek Vasut
2015-10-10  5:33     ` Thomas Chou
2015-10-10 18:19       ` Marek Vasut
2015-10-11  1:48         ` Thomas Chou
2015-10-11 12:15           ` Marek Vasut
2015-10-12  5:29 ` [U-Boot] [PATCH v4] nios2: convert dma_alloc_coherent to use malloc_cache_aligned Thomas Chou
2015-10-12 10:32   ` Marek Vasut
2015-10-12 12:55     ` Thomas Chou
2015-10-12 13:46       ` Marek Vasut
2015-10-13  0:17         ` Thomas Chou
2015-10-14  1:48           ` Thomas Chou
2015-10-16 22:53             ` Marek Vasut
2015-10-16 22:56           ` Marek Vasut
2015-10-17  2:59             ` Thomas Chou
2015-10-17 11:52               ` Marek Vasut
2015-10-19  5:52       ` Albert ARIBAUD
2015-10-19  8:18         ` Thomas Chou
2015-10-19  8:27           ` Albert ARIBAUD
2015-10-14  1:42 ` [U-Boot] [PATCH v5] " Thomas Chou
2015-10-16  8:29 ` [U-Boot] [PATCH v6] " Thomas Chou
2015-10-16 22:58   ` Marek Vasut
2015-10-18 23:46   ` Thomas Chou

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