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Commit b2acc92e authored by Shiraz Hashim's avatar Shiraz Hashim Committed by David Woodhouse
Browse files

mtd: fsmc: use ALE and CLE offsets from platform data 



ALE and CLE offsets can be different on different devices. Let devices
pass these offsets to the fsmc driver through platform data.

Signed-off-by: default avatarShiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: default avatarArtem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: default avatarDavid Woodhouse <David.Woodhouse@intel.com>
parent e29ee57b

drivers/mtd/nand/fsmc_nand.c

+5 −4
Original line number Diff line number Diff line
@@ -729,27 +729,28 @@ static int __init fsmc_nand_probe(struct platform_device *pdev) 
		goto err_probe1;

	}



	host->resaddr = request_mem_region(res->start + PLAT_NAND_ALE,

	host->resaddr = request_mem_region(res->start + pdata->ale_off,

			resource_size(res), pdev->name);

	if (!host->resaddr) {

		ret = -EIO;

		goto err_probe1;

	}



	host->addr_va = ioremap(res->start + PLAT_NAND_ALE, resource_size(res));

	host->addr_va = ioremap(res->start + pdata->ale_off,

			resource_size(res));

	if (!host->addr_va) {

		ret = -EIO;

		goto err_probe1;

	}



	host->rescmd = request_mem_region(res->start + PLAT_NAND_CLE,

	host->rescmd = request_mem_region(res->start + pdata->cle_off,

			resource_size(res), pdev->name);

	if (!host->rescmd) {

		ret = -EIO;

		goto err_probe1;

	}



	host->cmd_va = ioremap(res->start + PLAT_NAND_CLE, resource_size(res));

	host->cmd_va = ioremap(res->start + pdata->cle_off, resource_size(res));

	if (!host->cmd_va) {

		ret = -EIO;

		goto err_probe1;

include/linux/mtd/fsmc.h

+5 −0
Original line number Diff line number Diff line
@@ -151,6 +151,11 @@ struct fsmc_nand_platform_data { 
	unsigned int		options;

	unsigned int		width;

	unsigned int		bank;



	/* CLE, ALE offsets */

	unsigned long           cle_off;

	unsigned long           ale_off;



	void			(*select_bank)(uint32_t bank, uint32_t busw);

};