Date: Thu, 22 Feb 2007 14:54:16 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: gurney_j@resnet.uoregon.edu Cc: rizzo@icir.org, current@freebsd.org Subject: Re: can a valid bus_dma_tag_t be NULL ? Message-ID: <20070222.145416.1649769748.imp@bsdimp.com> In-Reply-To: <20070219224006.GC73385@funkthat.com> References: <20070219020725.A56400@xorpc.icir.org> <20070219224006.GC73385@funkthat.com>
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In message: <20070219224006.GC73385@funkthat.com>
John-Mark Gurney <gurney_j@resnet.uoregon.edu> writes:
: > if (bus_dma_tag_create(NULL, 4, 0, BUS_SPACE_MAXADDR_32BIT,
: ^^^^
: This is incorrect, and should be: bus_get_dma_tag(dev), though that is
: correct for -stable, (or have we introduced bus_get_dma_tag into -stable?)
There's currently a compat shim:
#define bus_get_dma_tag(dev) NULL
so you shuold use it for both -current and -stable.
Warner
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