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From: Russell King <rmk+lkml@arm.linux.org.uk>
To: Pavel Machek <pavel@ucw.cz>
Cc: rpurdie@rpsys.net, lenz@cs.wisc.edu,
	kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [warning: ugly, FYI] battery charging support for sharp sl-5500
Date: Sat, 30 Jul 2005 10:26:56 +0100	[thread overview]
Message-ID: <20050730102656.C9652@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20050725062242.GA3292@elf.ucw.cz>; from pavel@ucw.cz on Mon, Jul 25, 2005 at 08:22:42AM +0200

On Mon, Jul 25, 2005 at 08:22:42AM +0200, Pavel Machek wrote:
> I replaced sharp functions with ucb_1x00 functions this way; I hope I
> did not mess it up.
> 
> diff --git a/arch/arm/mach-sa1100/battery-collie.c b/arch/arm/mach-sa1100/battery-collie.c
> --- a/arch/arm/mach-sa1100/battery-collie.c
> +++ b/arch/arm/mach-sa1100/battery-collie.c
> -
> -  	ucb1200_set_io(COLLIE_TC35143_GPIO_BBAT_ON, COLLIE_TC35143_IODAT_LOW);
> -  	ucb1200_set_io(COLLIE_TC35143_GPIO_MBAT_ON, COLLIE_TC35143_IODAT_HIGH);
> -	voltage = ucb1200_get_adc_value(ADC_REQ_ID, COLLIE_TC35143_ADC_BAT_VOL);
> +	ucb1x00_io_write(NULL, 0, COLLIE_TC35143_GPIO_BBAT_ON);
> +	ucb1x00_io_write(NULL, COLLIE_TC35143_GPIO_MBAT_ON, 0);
> +	voltage = ucb1x00_adc_read(NULL, COLLIE_TC35143_ADC_BAT_VOL, UCB_SYNC);

This won't work.  You can't pass NULL to functions that take a pointer
and expect them to work.  Look back at my patch set, at the way the
ucb1x00-assabet patch does this.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 Serial core

  reply	other threads:[~2005-07-30  9:27 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-25  5:46 [warning: ugly, FYI] battery charging support for sharp sl-5500 Pavel Machek
2005-07-25  6:22 ` Pavel Machek
2005-07-30  9:26   ` Russell King [this message]
2005-07-30 14:21     ` Pavel Machek
2005-07-25 15:06 ` Richard Purdie
2005-07-26 20:52   ` Pavel Machek
2005-07-26 21:00   ` Pavel Machek

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