Date: Mon, 27 Sep 2010 15:55:30 +0000 (UTC) From: Bernd Walter <ticso@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r213201 - head/sys/arm/at91 Message-ID: <201009271555.o8RFtUTl041093@svn.freebsd.org>
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Author: ticso Date: Mon Sep 27 15:55:30 2010 New Revision: 213201 URL: http://svn.freebsd.org/changeset/base/213201 Log: fix off by one error for twi reads with len != 1. STOP must be requested before the last byte is received. Modified: head/sys/arm/at91/at91_twi.c Modified: head/sys/arm/at91/at91_twi.c ============================================================================== --- head/sys/arm/at91/at91_twi.c Mon Sep 27 15:24:16 2010 (r213200) +++ head/sys/arm/at91/at91_twi.c Mon Sep 27 15:55:30 2010 (r213201) @@ -348,7 +348,7 @@ at91_twi_transfer(device_t dev, struct i if ((sr = RD4(sc, TWI_SR)) & TWI_SR_RXRDY) { len--; *buf++ = RD4(sc, TWI_RHR) & 0xff; - if (len == 0 && msgs[i].len != 1) + if (len == 1) WR4(sc, TWI_CR, TWI_CR_STOP); } }
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