ARM: dts: OMAP2+: Simplify NAND support

Commit 8c8a777 (ARM: OMAP2+: Add function to read GPMC settings from
device-tree) added a device-tree property "gpmc,device-nand" to indicate
is the GPMC child device is NAND. This commit should have updated the
GPMC NAND documentation (Documentation/devicetree/bindings/mtd/gpmc-nand.txt)
to list the property "gpmc,device-nand" as a required property and also
updated the example. However, this property is redundant and not needed
because the GPMC child device node for NAND is called "nand". Therefore,
remove this property.

Signed-off-by: Jon Hunter <jon-hunter@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

4 files changed, 2 insertions, 5 deletions

diff --git a/Documentation/devicetree/bindings/bus/ti-gpmc.txt b/Documentation/devicetree/bindings/bus/ti-gpmc.txt
index 4b87ea1194e3..704be9306c9f 100644
--- a/Documentation/devicetree/bindings/bus/ti-gpmc.txt
+++ b/Documentation/devicetree/bindings/bus/ti-gpmc.txt
@@ -95,7 +95,6 @@ GPMC chip-select settings properties for child nodes. All are optional.
 - gpmc,burst-wrap       Enables wrap bursting
 - gpmc,burst-read       Enables read page/burst mode
 - gpmc,burst-write      Enables write page/burst mode
-- gpmc,device-nand      Device is NAND
 - gpmc,device-width     Total width of device(s) connected to a GPMC
                         chip-select in bytes. The GPMC supports 8-bit
                         and 16-bit devices and so this property must be
diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
index 144ae43453c4..6076d016b479 100644
--- a/arch/arm/boot/dts/omap3430-sdp.dts
+++ b/arch/arm/boot/dts/omap3430-sdp.dts
@@ -105,7 +105,6 @@
                 nand-bus-width = <8>;
 
                 ti,nand-ecc-opt = "sw";
-                gpmc,device-nand;
                 gpmc,cs-on-ns = <0>;
                 gpmc,cs-rd-off-ns = <36>;
                 gpmc,cs-wr-off-ns = <36>;
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index c8044b08dada..662c7fd633cc 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -102,8 +102,6 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
                 if (gpmc_nand_data->of_node) {
                         gpmc_read_settings_dt(gpmc_nand_data->of_node, &s);
                 } else {
-                        s.device_nand = true;
-
                         /* Enable RD PIN Monitoring Reg */
                         if (gpmc_nand_data->dev_ready) {
                                 s.wait_on_read = true;
@@ -111,6 +109,8 @@ int gpmc_nand_init(struct omap_nand_platform_data *gpmc_nand_data,
                         }
                 }
 
+                s.device_nand = true;
+
                 if (gpmc_nand_data->devsize == NAND_BUSWIDTH_16)
                         s.device_width = GPMC_DEVWIDTH_16BIT;
                 else
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index a195468286f4..70d11ceec0d7 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -1245,7 +1245,6 @@ void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p)
 
         p->sync_read = of_property_read_bool(np, "gpmc,sync-read");
         p->sync_write = of_property_read_bool(np, "gpmc,sync-write");
-        p->device_nand = of_property_read_bool(np, "gpmc,device-nand");
         of_property_read_u32(np, "gpmc,device-width", &p->device_width);
         of_property_read_u32(np, "gpmc,mux-add-data", &p->mux_add_data);