Commit 90de6332 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Brian Norris
Browse files

mtd: bcm47xxnflash: add cmd_ctrl handler 



This won't be used by NAND subsystem as we implement cmdfunc on our
own, but will allow us to write a bit cleaner code.

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent 5282a3ac

drivers/mtd/nand/bcm47xxnflash/ops_bcm4706.c

+21 −0
Original line number Diff line number Diff line
@@ -167,6 +167,26 @@ static void bcm47xxnflash_ops_bcm4706_write(struct mtd_info *mtd, 
 * NAND chip ops

 **************************************************/



static void bcm47xxnflash_ops_bcm4706_cmd_ctrl(struct mtd_info *mtd, int cmd,

					       unsigned int ctrl)

{

	struct nand_chip *nand_chip = (struct nand_chip *)mtd->priv;

	struct bcm47xxnflash *b47n = (struct bcm47xxnflash *)nand_chip->priv;

	u32 code = 0;



	if (cmd == NAND_CMD_NONE)

		return;



	if (cmd & NAND_CTRL_CLE)

		code = cmd | NCTL_CMD0;



	/* nCS is not needed for reset command */

	if (cmd != NAND_CMD_RESET)

		code |= NCTL_CSA;



	bcm47xxnflash_ops_bcm4706_ctl_cmd(b47n->cc, code);

}



/* Default nand_select_chip calls cmd_ctrl, which is not used in BCM4706 */

static void bcm47xxnflash_ops_bcm4706_select_chip(struct mtd_info *mtd,

						  int chip)
@@ -360,6 +380,7 @@ int bcm47xxnflash_ops_bcm4706_init(struct bcm47xxnflash *b47n) 
	u32 val;



	b47n->nand_chip.select_chip = bcm47xxnflash_ops_bcm4706_select_chip;

	nand_chip->cmd_ctrl = bcm47xxnflash_ops_bcm4706_cmd_ctrl;

	nand_chip->dev_ready = bcm47xxnflash_ops_bcm4706_dev_ready;

	b47n->nand_chip.cmdfunc = bcm47xxnflash_ops_bcm4706_cmdfunc;

	b47n->nand_chip.read_byte = bcm47xxnflash_ops_bcm4706_read_byte;

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