From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/7] spi/imx: do not make copy of spi_imx_devtype_data
Date: Mon, 11 Jul 2011 09:31:36 +0200 [thread overview]
Message-ID: <20110711073136.GA13840@pengutronix.de> (raw)
In-Reply-To: <19994.41750.920408.162356@ipc1.ka-ro>
On Mon, Jul 11, 2011 at 09:15:34AM +0200, Lothar Wa?mann wrote:
> Hi,
>
> Shawn Guo writes:
> > spi_imx_devtype_data has already been driver private data. There is
> > really no need to make a copy in spi_imx_data. Instead, a reference
> > pointer works perfectly fine.
> >
> You obviously overlooked, that the copy is done on purpose to keep
> only the data that is actually needed and discard everything else
> after initialisation.
though you could argue that __devinitdata isn't discarded on modern
systems anyhow (and Shawn's patch takes care of removing that
annotation).
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2011-07-11 7:31 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-09 17:16 [PATCH v2 0/7] Add device tree support for imx spi driver Shawn Guo
2011-07-09 17:16 ` [PATCH v2 1/7] spi/imx: do not make copy of spi_imx_devtype_data Shawn Guo
2011-07-11 7:15 ` Lothar Waßmann
2011-07-11 7:31 ` Uwe Kleine-König [this message]
2011-07-11 7:49 ` Lothar Waßmann
2011-07-11 7:35 ` Shawn Guo
2011-07-11 7:32 ` Lothar Waßmann
2011-07-15 2:53 ` Grant Likely
2011-07-09 17:16 ` [PATCH v2 2/7] spi/imx: use mx21 to name SPI_IMX_VER_0_0 function and macro Shawn Guo
2011-07-11 7:35 ` Uwe Kleine-König
2011-07-15 2:53 ` Grant Likely
2011-07-09 17:16 ` [PATCH v2 3/7] spi/imx: do not use spi_imx2_3 to name SPI_IMX_VER_2_3 " Shawn Guo
2011-07-15 2:53 ` Grant Likely
2011-07-09 17:16 ` [PATCH v2 4/7] spi/imx: merge type SPI_IMX_VER_0_7 into SPI_IMX_VER_0_4 Shawn Guo
2011-07-11 7:38 ` Uwe Kleine-König
2011-07-09 17:16 ` [PATCH v2 5/7] spi/imx: use soc name in spi device type naming scheme Shawn Guo
2011-07-15 2:53 ` Grant Likely
2011-07-09 17:16 ` [PATCH v2 6/7] spi/imx: copy gpio number passed by platform data into driver private data Shawn Guo
2011-07-11 7:45 ` Uwe Kleine-König
2011-07-09 17:16 ` [PATCH v2 7/7] spi/imx: add device tree probe support Shawn Guo
2011-07-15 2:53 ` Grant Likely
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