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Commit 9aba97ad authored by Kyungmin Park's avatar Kyungmin Park Committed by David Woodhouse
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mtd: OneNAND: Fix 2KiB pagesize handling at Samsung SoCs 



Wrong assumption bufferram can be switched between BufferRAM0 and BufferRAM1

Signed-off-by: default avatarKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent 8b865d5e

drivers/mtd/onenand/samsung.c

+2 −3
Original line number Diff line number Diff line
@@ -571,13 +571,12 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, 
		unsigned char *buffer, int offset, size_t count)

{

	struct onenand_chip *this = mtd->priv;

	void __iomem *bufferram;

	void __iomem *p;

	void *buf = (void *) buffer;

	dma_addr_t dma_src, dma_dst;

	int err;



	p = bufferram = this->base + area;

	p = this->base + area;

	if (ONENAND_CURRENT_BUFFERRAM(this)) {

		if (area == ONENAND_DATARAM)

			p += this->writesize;
@@ -621,7 +620,7 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, 
normal:

	if (count != mtd->writesize) {

		/* Copy the bufferram to memory to prevent unaligned access */

		memcpy(this->page_buf, bufferram, mtd->writesize);

		memcpy(this->page_buf, p, mtd->writesize);

		p = this->page_buf + offset;

	}