| Message ID | 1430403388-4184-1-git-send-email-zhangfei.gao@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi, Zhangfei. Will apply this patch at my dw-mmc tree. Thanks! Best Regards, Jaehoon Chung On 04/30/2015 11:16 PM, Zhangfei Gao wrote: > Set 0 to des1 in 32bit case. > Otherwise the random value of des1 will be used in > dw_mci_translate_sglist: IDMAC_SET_BUFFER1_SIZE(desc, length) > > Signed-off-by: Fei Wang <w.f@huawei.com> > Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org> > --- > drivers/mmc/host/dw_mmc.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c > index 241454f..488a8af 100644 > --- a/drivers/mmc/host/dw_mmc.c > +++ b/drivers/mmc/host/dw_mmc.c > @@ -589,9 +589,11 @@ static int dw_mci_idmac_init(struct dw_mci *host) > host->ring_size = PAGE_SIZE / sizeof(struct idmac_desc); > > /* Forward link the descriptor list */ > - for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++) > + for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++) { > p->des3 = cpu_to_le32(host->sg_dma + > (sizeof(struct idmac_desc) * (i + 1))); > + p->des1 = 0; > + } > > /* Set the last descriptor as the end-of-ring descriptor */ > p->des3 = cpu_to_le32(host->sg_dma); > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 241454f..488a8af 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -589,9 +589,11 @@ static int dw_mci_idmac_init(struct dw_mci *host) host->ring_size = PAGE_SIZE / sizeof(struct idmac_desc); /* Forward link the descriptor list */ - for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++) + for (i = 0, p = host->sg_cpu; i < host->ring_size - 1; i++, p++) { p->des3 = cpu_to_le32(host->sg_dma + (sizeof(struct idmac_desc) * (i + 1))); + p->des1 = 0; + } /* Set the last descriptor as the end-of-ring descriptor */ p->des3 = cpu_to_le32(host->sg_dma);