linux-kernel - Re: [PATCH v2 05/17] i2c: omap: split out [XR]DR and [XR]RDY

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Date:	Tue, 26 Jun 2012 16:11:30 +0530
From:	Shubhrajyoti <shubhrajyoti@...com>
To:	Felipe Balbi <balbi@...com>
CC:	ben-linux@...ff.org, Tony Lindgren <tony@...mide.com>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Russell King <linux@....linux.org.uk>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux ARM Kernel Mailing List 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	w.sang@...gutronix.de
Subject: Re: [PATCH v2 05/17] i2c: omap: split out [XR]DR and [XR]RDY

Hi Felipe,
On Thursday 14 June 2012 09:54 PM, Felipe Balbi wrote:
>  			return IRQ_HANDLED;
>  		}
>  
> -		if (stat & (OMAP_I2C_STAT_RRDY | OMAP_I2C_STAT_RDR)) {
> +		if (stat & OMAP_I2C_STAT_RDR) {
>  			u8 num_bytes = 1;
>  
> +			if (dev->fifo_size)
> +				num_bytes = dev->fifo_size;
In case of a draining interrupt. The byte count may not be the fifo size.
Do you agree?
> +
> +			while (num_bytes--) {
> +				if (!dev->buf_len) {

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