Commit 09ef90d9 authored by Huang Shijie's avatar Huang Shijie Committed by David Woodhouse

mtd: gpmi: fix the wrong DMA command.

The last DMA command of ECC read page is used to disable the BCH module.
But the original code missed to set the pio[2] which is used to set the
GPMI_HW_GPMI_ECCCTRL register. fix it now.
Signed-off-by: default avatarHuang Shijie <b32955@freescale.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 6a918bad
...@@ -1061,8 +1061,9 @@ int gpmi_read_page(struct gpmi_nand_data *this, ...@@ -1061,8 +1061,9 @@ int gpmi_read_page(struct gpmi_nand_data *this,
| BF_GPMI_CTRL0_ADDRESS(address) | BF_GPMI_CTRL0_ADDRESS(address)
| BF_GPMI_CTRL0_XFER_COUNT(geo->page_size); | BF_GPMI_CTRL0_XFER_COUNT(geo->page_size);
pio[1] = 0; pio[1] = 0;
pio[2] = 0; /* clear GPMI_HW_GPMI_ECCCTRL, disable the BCH. */
desc = channel->device->device_prep_slave_sg(channel, desc = channel->device->device_prep_slave_sg(channel,
(struct scatterlist *)pio, 2, (struct scatterlist *)pio, 3,
DMA_TRANS_NONE, DMA_TRANS_NONE,
DMA_PREP_INTERRUPT | DMA_CTRL_ACK); DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) { if (!desc) {
......
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