From: Thomas Chou <thomas@wytron.com.tw>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] nios2: nios2-generic: do not allocate rx buf in net.c
Date: Fri, 6 Nov 2015 07:47:13 +0800 [thread overview]
Message-ID: <563BEA81.4070305@wytron.com.tw> (raw)
In-Reply-To: <201511051716.11450.marex@denx.de>
Hi Marek,
On 2015?11?06? 00:16, Marek Vasut wrote:
> On Thursday, November 05, 2015 at 09:42:43 AM, Thomas Chou wrote:
>> Do not allocate rx buf in net.c, because altera_tse allocates
>> its own rx buf in driver. This can save 6KB memory.
>>
>> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
>
> Shouldn't we instead fix the altera driver to use the pre-allocated
> buffer ?
It should not. The drivers and devices are dynamically binding in driver
model. The buffers used by devices should be allocated per device. Eg,
there may be multiple ethernet devices and they should not use the same
pre-allocated rx bufs.
Best regards,
Thomas
next prev parent reply other threads:[~2015-11-05 23:47 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-05 8:42 [U-Boot] [PATCH] nios2: nios2-generic: do not allocate rx buf in net.c Thomas Chou
2015-11-05 16:16 ` Marek Vasut
2015-11-05 23:47 ` Thomas Chou [this message]
2015-11-06 1:40 ` Marek Vasut
2015-11-06 4:52 ` Thomas Chou
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