iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Shiraz Hashim 2012-03-07 17:00:51 +05:30 committed by David Woodhouse
parent e29ee57b1d
commit b2acc92e14
2 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/mtd/nand/fsmc_nand.c
View File

@ -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;

5
include/linux/mtd/fsmc.h
View File

@ -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);
};