[PATCH] mtd/nand: Don't add disabled nand flash devices
From: Chunhe Lan <hidden>
Date: 2011-08-16 09:25:14
Subsystem:
memory technology devices (mtd), nand flash subsystem, the rest · Maintainers:
Miquel Raynal, Richard Weinberger, Vignesh Raghavendra, Linus Torvalds
Nand flash nodes with the property status="disabled" are not usable and so avoid adding "disabled" nand flash devices with the system. Signed-off-by: Chunhe Lan <redacted> --- drivers/mtd/nand/fsl_elbc_nand.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 33d8aad..8212c12 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c@@ -1,6 +1,6 @@ /* Freescale Enhanced Local Bus Controller NAND driver * - * Copyright �� 2006-2007, 2010 Freescale Semiconductor + * Copyright �� 2006-2007, 2010-2011 Freescale Semiconductor * * Authors: Nick Spence <nick.spence@freescale.com>, * Scott Wood <scottwood@freescale.com>
@@ -849,6 +849,9 @@ static int __devinit fsl_elbc_nand_probe(struct platform_device *pdev) struct device *dev; struct device_node *node = pdev->dev.of_node; + if (!of_device_is_available(node)) + return -ENODEV; + if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs) return -ENODEV; lbc = fsl_lbc_ctrl_dev->regs;
--
1.5.6.5