From: Scott Wood Date: Wed, 6 Jun 2012 23:36:39 +0000 (-0500) Subject: mtd: elbc nand: use drvdata to only remove the relevant chip X-Git-Tag: v3.12-rc1~2200^2~151 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=874d72c4fe07713c4889c944d3c7ebbce352c762;p=kernel%2Fkernel-generic.git mtd: elbc nand: use drvdata to only remove the relevant chip Previously the remove method was looping and removing all chips, which is obviously not the right thing to do — left over from when the driver was organized differently and that was the remove method for the entire controller. This would result in bad things happening if you have more than one NAND chip, and remove the module. This also fixes priv->dev to properly point to the chip's device rather than the controller's. Until now priv->dev was only used for error/debug prints (and it's an improvement there), so this shouldn't break anything. Signed-off-by: Scott Wood Signed-off-by: Artem Bityutskiy Signed-off-by: David Woodhouse --- diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 1d8d111..22bb5e6 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -915,7 +915,8 @@ static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev) elbc_fcm_ctrl->chips[bank] = priv; priv->bank = bank; priv->ctrl = fsl_lbc_ctrl_dev; - priv->dev = dev; + priv->dev = &pdev->dev; + dev_set_drvdata(priv->dev, priv); priv->vbase = ioremap(res.start, resource_size(&res)); if (!priv->vbase) { @@ -962,11 +963,10 @@ err: static int fsl_elbc_nand_remove(struct platform_device *pdev) { - int i; struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = fsl_lbc_ctrl_dev->nand; - for (i = 0; i < MAX_BANKS; i++) - if (elbc_fcm_ctrl->chips[i]) - fsl_elbc_chip_remove(elbc_fcm_ctrl->chips[i]); + struct fsl_elbc_mtd *priv = dev_get_drvdata(&pdev->dev); + + fsl_elbc_chip_remove(priv); mutex_lock(&fsl_elbc_nand_mutex); elbc_fcm_ctrl->counter--;