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Date: Thu, 25 Nov 2010 21:59:51 -0800 From: Stephen Hemminger <shemminger@...tta.com> To: Alexey Orishko <alexey.orishko@...il.com> Cc: gregkh@...e.de, linux-usb@...r.kernel.org, netdev@...r.kernel.org, oliver@...kum.org, yauheni.kaliuta@...ia.com, balbi@...com, sjur.brandeland@...ricsson.com, Alexey Orishko <alexey.orishko@...ricsson.com> Subject: Re: [PATCHv2 2/2] USB CDC NCM host driver On Thu, 25 Nov 2010 15:14:32 +0100 Alexey Orishko <alexey.orishko@...il.com> wrote: > +/* > + * We need to align the beginning of the IP packet (not the Ethernet framing). > + * The following macro aligns the given offset to the given remainder > + * and modulus, which must be power of two. > + */ > +#define CDC_NCM_ALIGN(rem, offset, mod) \ > + ((long)(((long)(rem)) - ((long)((-(long)(offset)) & (-(long)(mod)))))) Isn't existing PTR_ALIGN macro sufficient? -- -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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