linux-kernel - Re: [ofa-general] Re: linux-next: [PATCH] infiniband/hw/ipath/ipath_sdma.c , fix compiler warnings

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Date:	Fri, 23 May 2008 14:45:01 -0700
From:	Ralph Campbell <ralph.campbell@...gic.com>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Gabriel C <nix.or.die@...glemail.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>,
	linux-next@...r.kernel.org, general@...ts.openfabrics.org
Subject: Re: [ofa-general] Re: linux-next: [PATCH]
	infiniband/hw/ipath/ipath_sdma.c , fix compiler warnings

This looks good to me.

On Fri, 2008-05-23 at 10:42 -0700, Roland Dreier wrote:
>  > drivers/infiniband/hw/ipath/ipath_sdma.c: In function 'sdma_abort_task':
>  > drivers/infiniband/hw/ipath/ipath_sdma.c:267: warning: passing argument 2 of 'constant_test_bit' from incompatible pointer type
> 
> Perhaps the best way to fix these is to change code like
> 
> 		if (/* ScoreBoardDrainInProg */
> 		    test_bit(63, &hwstatus) ||
> 		    /* AbortInProg */
> 		    test_bit(62, &hwstatus) ||
> 		    /* InternalSDmaEnable */
> 		    test_bit(61, &hwstatus) ||
> 		    /* ScbEmpty */
> 		    !test_bit(30, &hwstatus)) {
> 
> to something like
> 
> 		if ((hwstatus & (IPATH_SDMA_STATUS_SCORE_BOARD_DRAIN_IN_PROG |
> 				 IPATH_SDMA_STATUS_ABORT_IN_PROG	     |
> 				 IPATH_SDMA_STATUS_INTERNAL_SDMA_ENABLE)) ||
> 		    !(hwstatus & IPATH_SDMA_STATUS_SCB_EMPTY)) {
> 
> with appropriate defines for the constants 1ull << 63 etc.
> 
> (I think I got the logic correct but someone should check)
> 
>  > drivers/infiniband/hw/ipath/ipath_sdma.c:348: warning: format '%016llx' expects type 'long long unsigned int', but argument 3 has type 'long unsigned int'
>  > drivers/infiniband/hw/ipath/ipath_sdma.c: In function 'ipath_restart_sdma':
>  > drivers/infiniband/hw/ipath/ipath_sdma.c:618: warning: format '%016llx' expects type 'long long unsigned int', but argument 3 has type 'long unsigned int'
> 
> I have a fix for this pending; will ask Linus to pull today.
> _______________________________________________
> general mailing list
> general@...ts.openfabrics.org
> http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general
> 
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