From da86e8cfcb03ed5c1d8e0718bc8bc8583e60ced8 Mon Sep 17 00:00:00 2001 From: Michael Walle Date: Wed, 23 Sep 2020 12:42:47 +0200 Subject: [PATCH] mmc: fsl_esdhc: simplify 64bit check for SDMA transfers SDMA can only do DMA with 32 bit addresses. This is true for all architectures (just doesn't apply to 32 bit ones). Simplify the code and remove unnecessary CONFIG_FSL_LAYERSCAPE. Also make the error message more concise. Signed-off-by: Michael Walle --- drivers/mmc/fsl_esdhc.c | 29 ++++++----------------------- 1 file changed, 6 insertions(+), 23 deletions(-) diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index a6092ad..041f7d3 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -211,9 +211,7 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, { int timeout; struct fsl_esdhc *regs = priv->esdhc_regs; -#if defined(CONFIG_FSL_LAYERSCAPE) dma_addr_t addr; -#endif uint wml_value; wml_value = data->blocksize/4; @@ -224,15 +222,10 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, esdhc_clrsetbits32(®s->wml, WML_RD_WML_MASK, wml_value); #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO -#if defined(CONFIG_FSL_LAYERSCAPE) addr = virt_to_phys((void *)(data->dest)); if (upper_32_bits(addr)) - printf("Error found for upper 32 bits\n"); - else - esdhc_write32(®s->dsaddr, lower_32_bits(addr)); -#else - esdhc_write32(®s->dsaddr, (u32)data->dest); -#endif + printf("Cannot use 64 bit addresses with SDMA\n"); + esdhc_write32(®s->dsaddr, lower_32_bits(addr)); #endif } else { #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO @@ -251,15 +244,10 @@ static int esdhc_setup_data(struct fsl_esdhc_priv *priv, struct mmc *mmc, esdhc_clrsetbits32(®s->wml, WML_WR_WML_MASK, wml_value << 16); #ifndef CONFIG_SYS_FSL_ESDHC_USE_PIO -#if defined(CONFIG_FSL_LAYERSCAPE) addr = virt_to_phys((void *)(data->src)); if (upper_32_bits(addr)) - printf("Error found for upper 32 bits\n"); - else - esdhc_write32(®s->dsaddr, lower_32_bits(addr)); -#else - esdhc_write32(®s->dsaddr, (u32)data->src); -#endif + printf("Cannot use 64 bit addresses with SDMA\n"); + esdhc_write32(®s->dsaddr, lower_32_bits(addr)); #endif } @@ -316,17 +304,12 @@ static void check_and_invalidate_dcache_range unsigned end = 0; unsigned size = roundup(ARCH_DMA_MINALIGN, data->blocks*data->blocksize); -#if defined(CONFIG_FSL_LAYERSCAPE) dma_addr_t addr; addr = virt_to_phys((void *)(data->dest)); if (upper_32_bits(addr)) - printf("Error found for upper 32 bits\n"); - else - start = lower_32_bits(addr); -#else - start = (unsigned)data->dest; -#endif + printf("Cannot use 64 bit addresses with SDMA\n"); + start = lower_32_bits(addr); end = start + size; invalidate_dcache_range(start, end); } -- 2.7.4