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From: cyril@ti.com (Cyril Chemparathy)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 01/12] misc: add driver for sequencer serial port
Date: Fri, 22 Oct 2010 08:39:33 -0400	[thread overview]
Message-ID: <4CC18605.80007@ti.com> (raw)
In-Reply-To: <20101021161224.b4c0b623.akpm@linux-foundation.org>

On 10/21/2010 07:12 PM, Andrew Morton wrote:
>
> ...
>
>> +/* Register Access Helpers */
>> +static inline u32 ssp_read(struct ti_ssp *ssp, int reg)
>> +{
>> +	return __raw_readl(ssp->regs + reg);
>> +}
>> +
>> +static inline void ssp_write(struct ti_ssp *ssp, int reg, u32 val)
>> +{
>> +	__raw_writel(val, ssp->regs + reg);
>> +}
> 
> Why are the __raw functions used here?
> 

These registers are to be accessed native endian at all times, and
therefore the le32 conversion done otherwise is inappropriate.

Thanks for the feedback.  I will post an updated series with these changes.

Regards
Cyril.

  reply	other threads:[~2010-10-22 12:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-21 21:01 [PATCH v3 00/12] tnetv107x ssp driver stack Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 01/12] misc: add driver for sequencer serial port Cyril Chemparathy
2010-10-21 23:12   ` Andrew Morton
2010-10-22 12:39     ` Cyril Chemparathy [this message]
2010-10-22 12:48       ` Arnd Bergmann
2010-10-22 19:33         ` Cyril Chemparathy
2010-10-22 22:46           ` Russell King - ARM Linux
2010-10-22 14:20   ` Alan Cox
2010-10-22 19:03     ` Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 02/12] davinci: add tnetv107x ssp platform device Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 03/12] davinci: add ssp config for tnetv107x evm board Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 04/12] spi: add ti-ssp spi master driver Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 05/12] davinci: add spi devices on tnetv107x evm Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 06/12] regulator: add driver for tps6524x regulator Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 07/12] davinci: add tnetv107x evm regulators Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 08/12] gpio: add ti-ssp virtual gpio driver Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 09/12] davinci: add tnetv107x evm ti-ssp gpio device Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 10/12] backlight: add support for tps6116x controller Cyril Chemparathy
2010-10-21 21:19   ` Joe Perches
2010-10-21 21:01 ` [PATCH v3 11/12] davinci: add tnetv107x evm backlight device Cyril Chemparathy
2010-10-21 21:01 ` [PATCH v3 12/12] davinci: add tnetv107x evm i2c eeprom device Cyril Chemparathy
2010-10-21 22:26 ` [PATCH v3 00/12] tnetv107x ssp driver stack Kevin Hilman
2010-10-21 22:59   ` Andrew Morton

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