Thread (17 messages) 17 messages, 1 author, 2012-10-08
STALE5023d
Revisions (2)
  1. v1 current
  2. v2 [diff vs current]

[PATCH 05/15] ARM: OMAP2+: onenand: connected soc info in pdata

From: Afzal Mohammed <hidden>
Date: 2012-10-05 15:53:54
Also in: linux-omap
Subsystem: arm port, omap general purpose memory controller support, omap power management support, omap2+ support, the rest · Maintainers: Russell King, Roger Quadros, Tony Lindgren, Kevin Hilman, Aaro Koskinen, Andreas Kemnade, Linus Torvalds

onenand driver needs to know whether soc is falling under
34xx family to properly handle onenand. But driver is not
supposed to do cpu_is_* check, hence educate platform data
with this information. Driver can make use of it to avoid
cpu_is_* check.

Signed-off-by: Afzal Mohammed <redacted>
---
 arch/arm/mach-omap2/gpmc-onenand.c              | 5 +++++
 include/linux/platform_data/mtd-onenand-omap2.h | 1 +
 2 files changed, 6 insertions(+)
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 544d501..f0b677a 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -409,6 +409,11 @@ void __init gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
 		gpmc_onenand_data->flags |= ONENAND_SYNC_READ;
 	}
 
+	if (cpu_is_omap34xx())
+		gpmc_onenand_data->flags |= ONENAND_IN_OMAP34XX;
+	else
+		gpmc_onenand_data->flags &= ~ONENAND_IN_OMAP34XX;
+
 	err = gpmc_cs_request(gpmc_onenand_data->cs, ONENAND_IO_SIZE,
 				(unsigned long *)&gpmc_onenand_resource.start);
 	if (err < 0) {
diff --git a/include/linux/platform_data/mtd-onenand-omap2.h b/include/linux/platform_data/mtd-onenand-omap2.h
index 21bb0ff..ef9c60d 100644
--- a/include/linux/platform_data/mtd-onenand-omap2.h
+++ b/include/linux/platform_data/mtd-onenand-omap2.h
@@ -14,6 +14,7 @@
 
 #define ONENAND_SYNC_READ	(1 << 0)
 #define ONENAND_SYNC_READWRITE	(1 << 1)
+#define	ONENAND_IN_OMAP34XX	(1 << 2)
 
 struct omap_onenand_platform_data {
 	int			cs;
-- 
1.7.12
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