Date: Fri, 19 Feb 2010 17:37:47 +0000 (UTC) From: Alexander Kabaev <kan@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r204093 - head/sys/mips/atheros Message-ID: <201002191737.o1JHbld8052637@svn.freebsd.org>
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Author: kan Date: Fri Feb 19 17:37:46 2010 New Revision: 204093 URL: http://svn.freebsd.org/changeset/base/204093 Log: Define DMA_RX_STATUS_OVERFLOW with correct value. The RX overflow is reported in bit 2 on real hardware and Linux driver for the same device already has this defined correctly. This fixes frequent interrupt storms seen on RouterStation Pro boards. Discussed with: gonzo Modified: head/sys/mips/atheros/ar71xxreg.h Modified: head/sys/mips/atheros/ar71xxreg.h ============================================================================== --- head/sys/mips/atheros/ar71xxreg.h Fri Feb 19 16:54:51 2010 (r204092) +++ head/sys/mips/atheros/ar71xxreg.h Fri Feb 19 17:37:46 2010 (r204093) @@ -403,9 +403,9 @@ #define AR71XX_DMA_RX_STATUS 0x194 #define DMA_RX_STATUS_PCOUNT_MASK 0xff #define DMA_RX_STATUS_PCOUNT_SHIFT 16 -#define DMA_RX_STATUS_BUS_ERROR (1 << 3) -#define DMA_RX_STATUS_OVERFLOW (1 << 1) -#define DMA_RX_STATUS_PKT_RECVD (1 << 0) +#define DMA_RX_STATUS_BUS_ERROR (1 << 3) +#define DMA_RX_STATUS_OVERFLOW (1 << 2) +#define DMA_RX_STATUS_PKT_RECVD (1 << 0) #define AR71XX_DMA_INTR 0x198 #define AR71XX_DMA_INTR_STATUS 0x19C #define DMA_INTR_ALL ((1 << 8) - 1)
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