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Commit 6efb21d6 authored by Palle Christensen's avatar Palle Christensen Committed by Greg Kroah-Hartman
Browse files

staging:mt29f_spinand: MT29F2G failing as only 16 bits used for addressing. 



For NAND flash chips with more than 1Gbit (e.g. MT29F2G) more than 16 bits
are necessary to address the correct page.

Signed-off-by: default avatarPalle Christensen <palle.christensen@microsemi.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2ebd9ec4

drivers/staging/mt29f_spinand/mt29f_spinand.c

+3 −0
Original line number Diff line number Diff line
@@ -316,6 +316,7 @@ static int spinand_read_page_to_cache(struct spi_device *spi_nand, u16 page_id) 
	row = page_id;

	cmd.cmd = CMD_READ;

	cmd.n_addr = 3;

	cmd.addr[0] = (u8)((row & 0xff0000) >> 16);

	cmd.addr[1] = (u8)((row & 0xff00) >> 8);

	cmd.addr[2] = (u8)(row & 0x00ff);
@@ -464,6 +465,7 @@ static int spinand_program_execute(struct spi_device *spi_nand, u16 page_id) 
	row = page_id;

	cmd.cmd = CMD_PROG_PAGE_EXC;

	cmd.n_addr = 3;

	cmd.addr[0] = (u8)((row & 0xff0000) >> 16);

	cmd.addr[1] = (u8)((row & 0xff00) >> 8);

	cmd.addr[2] = (u8)(row & 0x00ff);
@@ -579,6 +581,7 @@ static int spinand_erase_block_erase(struct spi_device *spi_nand, u16 block_id) 
	row = block_id;

	cmd.cmd = CMD_ERASE_BLK;

	cmd.n_addr = 3;

	cmd.addr[0] = (u8)((row & 0xff0000) >> 16);

	cmd.addr[1] = (u8)((row & 0xff00) >> 8);

	cmd.addr[2] = (u8)(row & 0x00ff);