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

From Finn Thain <fthain@telegraphics.com.au>
Newsgroups linux.kernel
Subject Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips
Date 2015-12-04 10:30 +0100
Message-ID <qBUQG-Pe-3@gated-at.bofh.it> (permalink)
References <qw6Bc-vx-5@gated-at.bofh.it> <qBLaF-34j-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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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Thread

[RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Ondrej Zary <linux@rainbow-software.org> - 2015-12-04 00:10 +0100
  Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Julian Calaby <julian.calaby@gmail.com> - 2015-12-04 01:20 +0100
    Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Finn Thain <fthain@telegraphics.com.au> - 2015-12-04 09:40 +0100
      Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Julian Calaby <julian.calaby@gmail.com> - 2015-12-05 02:40 +0100
        Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Finn Thain <fthain@telegraphics.com.au> - 2015-12-05 03:20 +0100
          Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Julian Calaby <julian.calaby@gmail.com> - 2015-12-05 03:40 +0100
  Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Finn Thain <fthain@telegraphics.com.au> - 2015-12-04 10:10 +0100
    Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Ondrej Zary <linux@rainbow-software.org> - 2015-12-04 10:40 +0100
  Re: [RFC PATCH 76/71] ncr5380: Enable PDMA for DTC chips Finn Thain <fthain@telegraphics.com.au> - 2015-12-04 10:30 +0100

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