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authorSascha Hauer <s.hauer@pengutronix.de>2019-05-21 09:06:34 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2019-06-27 20:05:27 +0200
commit41e2322b258d6d907a4b721ee39a191f3b1e8a6c (patch)
tree579dab045d42a8cd6739307b51f15f3c50b6a4a8
parent727ab978e526bfbca8f8e3892178aed55b688e57 (diff)
mtd: rawnand: gpmi: Remove unnecessary variables
this->page_buffer_virt and this->payload_virt are always set to the same value, so drop the former and just use the latter. Same for this->page_buffer_virt and this->payload_virt. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
-rw-r--r--drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c15
-rw-r--r--drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h2
2 files changed, 6 insertions, 11 deletions
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 53e63eeafcf4..8a3fe04c58b6 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -1637,10 +1637,10 @@ static void gpmi_free_dma_buffer(struct gpmi_nand_data *this)
{
struct device *dev = this->dev;
- if (this->page_buffer_virt && virt_addr_valid(this->page_buffer_virt))
+ if (this->payload_virt && virt_addr_valid(this->payload_virt))
dma_free_coherent(dev, this->page_buffer_size,
- this->page_buffer_virt,
- this->page_buffer_phys);
+ this->payload_virt,
+ this->payload_phys);
kfree(this->cmd_buffer);
kfree(this->data_buffer_dma);
kfree(this->raw_buffer);
@@ -1648,7 +1648,6 @@ static void gpmi_free_dma_buffer(struct gpmi_nand_data *this)
this->cmd_buffer = NULL;
this->data_buffer_dma = NULL;
this->raw_buffer = NULL;
- this->page_buffer_virt = NULL;
this->page_buffer_size = 0;
}
@@ -1686,9 +1685,9 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this)
* auxiliary buffer will appear on a 32-bit boundary.
*/
this->page_buffer_size = geo->payload_size + geo->auxiliary_size;
- this->page_buffer_virt = dma_alloc_coherent(dev, this->page_buffer_size,
- &this->page_buffer_phys, GFP_DMA);
- if (!this->page_buffer_virt)
+ this->payload_virt = dma_alloc_coherent(dev, this->page_buffer_size,
+ &this->payload_phys, GFP_DMA);
+ if (!this->payload_virt)
goto error_alloc;
this->raw_buffer = kzalloc(mtd->writesize + mtd->oobsize, GFP_KERNEL);
@@ -1696,8 +1695,6 @@ static int gpmi_alloc_dma_buffer(struct gpmi_nand_data *this)
goto error_alloc;
/* Slice up the page buffer. */
- this->payload_virt = this->page_buffer_virt;
- this->payload_phys = this->page_buffer_phys;
this->auxiliary_virt = this->payload_virt + geo->payload_size;
this->auxiliary_phys = this->payload_phys + geo->payload_size;
return 0;
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
index ba074a35ff01..51a070da84ed 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.h
@@ -138,8 +138,6 @@ struct gpmi_nand_data {
struct scatterlist data_sgl;
char *data_buffer_dma;
- void *page_buffer_virt;
- dma_addr_t page_buffer_phys;
unsigned int page_buffer_size;
void *payload_virt;