Commit 8cfcae9f authored by Wolfram Sang's avatar Wolfram Sang Committed by Wolfram Sang

i2c: sh_mobile: use proper device for mapping DMA memory

It should be the DMA device, not the platform device.
Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent f5084933
......@@ -507,6 +507,17 @@ static irqreturn_t sh_mobile_i2c_isr(int irq, void *dev_id)
return IRQ_HANDLED;
}
static void sh_mobile_i2c_dma_unmap(struct sh_mobile_i2c_data *pd)
{
struct dma_chan *chan = pd->dma_direction == DMA_FROM_DEVICE
? pd->dma_rx : pd->dma_tx;
dma_unmap_single(chan->device->dev, sg_dma_address(&pd->sg),
pd->msg->len, pd->dma_direction);
pd->dma_direction = DMA_NONE;
}
static void sh_mobile_i2c_cleanup_dma(struct sh_mobile_i2c_data *pd)
{
if (pd->dma_direction == DMA_NONE)
......@@ -516,20 +527,14 @@ static void sh_mobile_i2c_cleanup_dma(struct sh_mobile_i2c_data *pd)
else if (pd->dma_direction == DMA_TO_DEVICE)
dmaengine_terminate_all(pd->dma_tx);
dma_unmap_single(pd->dev, sg_dma_address(&pd->sg),
pd->msg->len, pd->dma_direction);
pd->dma_direction = DMA_NONE;
sh_mobile_i2c_dma_unmap(pd);
}
static void sh_mobile_i2c_dma_callback(void *data)
{
struct sh_mobile_i2c_data *pd = data;
dma_unmap_single(pd->dev, sg_dma_address(&pd->sg),
pd->msg->len, pd->dma_direction);
pd->dma_direction = DMA_NONE;
sh_mobile_i2c_dma_unmap(pd);
pd->pos = pd->msg->len;
iic_set_clr(pd, ICIC, 0, ICIC_TDMAE | ICIC_RDMAE);
......@@ -547,7 +552,7 @@ static void sh_mobile_i2c_xfer_dma(struct sh_mobile_i2c_data *pd)
if (!chan)
return;
dma_addr = dma_map_single(pd->dev, pd->msg->buf, pd->msg->len, dir);
dma_addr = dma_map_single(chan->device->dev, pd->msg->buf, pd->msg->len, dir);
if (dma_mapping_error(pd->dev, dma_addr)) {
dev_dbg(pd->dev, "dma map failed, using PIO\n");
return;
......
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