Module Name: src Committed By: ryo Date: Mon Mar 19 08:57:57 UTC 2018
Modified Files: src/sys/arch/arm/sunxi: sunxi_mmc.c Log Message: sunxi: mmc: increase max number of descriptors available for DMA transfers patch from jmcneill@ To generate a diff of this commit: cvs rdiff -u -r1.20 -r1.21 src/sys/arch/arm/sunxi/sunxi_mmc.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/arch/arm/sunxi/sunxi_mmc.c diff -u src/sys/arch/arm/sunxi/sunxi_mmc.c:1.20 src/sys/arch/arm/sunxi/sunxi_mmc.c:1.21 --- src/sys/arch/arm/sunxi/sunxi_mmc.c:1.20 Mon Feb 19 20:26:51 2018 +++ src/sys/arch/arm/sunxi/sunxi_mmc.c Mon Mar 19 08:57:57 2018 @@ -1,4 +1,4 @@ -/* $NetBSD: sunxi_mmc.c,v 1.20 2018/02/19 20:26:51 jmcneill Exp $ */ +/* $NetBSD: sunxi_mmc.c,v 1.21 2018/03/19 08:57:57 ryo Exp $ */ /*- * Copyright (c) 2014-2017 Jared McNeill <jmcne...@invisible.ca> @@ -29,7 +29,7 @@ #include "opt_sunximmc.h" #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.20 2018/02/19 20:26:51 jmcneill Exp $"); +__KERNEL_RCSID(0, "$NetBSD: sunxi_mmc.c,v 1.21 2018/03/19 08:57:57 ryo Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -87,7 +87,7 @@ static const struct sunxi_mmc_delay sun9 [SUNXI_MMC_TIMING_50M_DDR_8BIT] = { 72, 72 }, }; -#define SUNXI_MMC_NDESC 16 +#define SUNXI_MMC_NDESC 64 struct sunxi_mmc_softc; @@ -954,8 +954,9 @@ sunxi_mmc_dma_prepare(struct sunxi_mmc_s } if (desc == sc->sc_idma_ndesc) { aprint_error_dev(sc->sc_dev, - "not enough descriptors for %d byte transfer!\n", - cmd->c_datalen); + "not enough descriptors for %d byte transfer! " + "there are %u segments with a max xfer length of %u\n", + cmd->c_datalen, map->dm_nsegs, sc->sc_config->idma_xferlen); return EIO; }