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authorPekon Gupta <pekon@ti.com>2014-01-28 11:42:40 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-06 21:30:01 -0800
commit6f11840d0ccc43bf0a8f0d06c4a43a8ccce6dd73 (patch)
tree4485e066b4ec5a1aa52f150303c4551d7a869b15 /arch
parentc943f5f92411ccb977e3272615309d3877d435f5 (diff)
downloadlinaro-lsk-6f11840d0ccc43bf0a8f0d06c4a43a8ccce6dd73.tar.gz
ARM: OMAP2+: gpmc: fix: DT NAND child nodes not probed when MTD_NAND is built as module
commit 6b187b21c92b6e2c7e8ef0b450181c37a3f31681 upstream. Fixes: commit bc6b1e7b86f5d8e4a6fc1c0189e64bba4077efe0 ARM: OMAP: gpmc: add DT bindings for GPMC timings and NAND OMAP SoC(s) depend on GPMC controller driver to parse GPMC DT child nodes and register them platform_device for NAND driver to probe later. However this does not happen if generic MTD_NAND framework is built as module (CONFIG_MTD_NAND=m). Therefore, when MTD/NAND and MTD/NAND/OMAP2 modules are loaded, they are unable to find any matching platform_device and remain un-binded. This causes on board NAND flash to remain un-detected. This patch causes GPMC controller to parse DT nodes when CONFIG_MTD_NAND=y || CONFIG_MTD_NAND=m Signed-off-by: Pekon Gupta <pekon@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/gpmc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 6c4da1254f5..dc4ccdbde06 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1335,7 +1335,7 @@ static void __maybe_unused gpmc_read_timings_dt(struct device_node *np,
of_property_read_bool(np, "gpmc,time-para-granularity");
}
-#ifdef CONFIG_MTD_NAND
+#if IS_ENABLED(CONFIG_MTD_NAND)
static const char * const nand_ecc_opts[] = {
[OMAP_ECC_HAMMING_CODE_DEFAULT] = "sw",