Module Name: src
Committed By: jmcneill
Date: Wed Oct 1 20:59:37 UTC 2014
Modified Files:
src/sys/dev/sdmmc: sdhc.c
Log Message:
correct clk div calculation for SD 3.0 controllers
To generate a diff of this commit:
cvs rdiff -u -r1.48 -r1.49 src/sys/dev/sdmmc/sdhc.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/sdmmc/sdhc.c
diff -u src/sys/dev/sdmmc/sdhc.c:1.48 src/sys/dev/sdmmc/sdhc.c:1.49
--- src/sys/dev/sdmmc/sdhc.c:1.48 Wed Oct 1 00:25:43 2014
+++ src/sys/dev/sdmmc/sdhc.c Wed Oct 1 20:59:37 2014
@@ -1,4 +1,4 @@
-/* $NetBSD: sdhc.c,v 1.48 2014/10/01 00:25:43 jmcneill Exp $ */
+/* $NetBSD: sdhc.c,v 1.49 2014/10/01 20:59:37 jmcneill Exp $ */
/* $OpenBSD: sdhc.c,v 1.25 2009/01/13 19:44:20 grange Exp $ */
/*
@@ -23,7 +23,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sdhc.c,v 1.48 2014/10/01 00:25:43 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sdhc.c,v 1.49 2014/10/01 20:59:37 jmcneill Exp $");
#ifdef _KERNEL_OPT
#include "opt_sdmmc.h"
@@ -814,6 +814,8 @@ sdhc_clock_divisor(struct sdhc_host *hp,
}
if (hp->specver == SDHC_SPEC_VERS_300) {
div = howmany(hp->clkbase, freq);
+ if (div > 0)
+ --div;
if (div > 0x3ff)
return false;
*divp = (((div >> 8) & SDHC_SDCLK_XDIV_MASK)
