linux-kernel - Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips

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Message-ID: <alpine.LNX.2.00.1512042018180.16802@nippy.intranet>
Date:	Fri, 4 Dec 2015 20:20:13 +1100 (AEDT)
From:	Finn Thain <fthain@...egraphics.com.au>
To:	Ondrej Zary <linux@...nbow-software.org>
cc:	Michael Schmitz <schmitzmic@...il.com>, linux-m68k@...r.kernel.org,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips


On Fri, 4 Dec 2015, Ondrej Zary wrote:

> @@ -685,8 +684,10 @@ static inline int NCR5380_pwrite(struct Scsi_Host *instance, unsigned char *src,
>  	/* All documentation says to check for this. Maybe my hardware is too
>  	 * fast. Waiting for it seems to work fine! KLL
>  	 */
> -	while (!(i = NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ))
> +	while (!(i = NCR5380_read(hostdata->c400_ctl_status) & CSR_GATED_53C80_IRQ)) {
> +		udelay(4); /* DTC436 chip hangs without this */
>  		;	// FIXME - no timeout
> +	}
>  
>  	/*
>  	 * I know. i is certainly != 0 here but the loop is new. See previous
> 

Given that you've added braces, the redundant semicolon can be removed.

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