On 2/25/2014 11:01 PM, Scott Wood wrote:
On Thu, 2014-02-20 at 12:55 -0500, Murali Karicheri wrote:
This patch introduces a configurable mechanism to disable
subpage writes in the DaVinci NAND driver.
Signed-off-by: Vitaly Andrianov <vita...@ti.com>
Signed-off-by: Murali Karicheri <m-kariche...@ti.com>
---
- Added README
README | 5 +++++
drivers/mtd/nand/davinci_nand.c | 3 +++
2 files changed, 8 insertions(+)
diff --git a/README b/README
index aea82be..caf60a2 100644
--- a/README
+++ b/README
@@ -4427,6 +4427,11 @@ Low Level (hardware related) configuration options:
- CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC:
Enables the RTC32K OSC on AM33xx based plattforms
+- CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
+ Option to disable subpage write in NAND driver
+ Example driver that use this:
+ drivers/mtd/nand/davinci_nand.c
I'd rather this be a full list of drivers that use it, not an example.
There are 3 nand drivers that disable sub page write using NAND_NO_SUBPAGE_WRITE
by default.
nand/docg4.c
nand/fsl_ifc_nand.c
nand/mxs_nand.c
nand/davinci_nand.c is used across many of ti's existing davinci platforms and
some of them
do enable sub page write. In Keystone platform, we want to disable this option.
So to answer
your question, davinci_nand.c is the only user driver using this configuration
option,
but that doesn't prevent anyone from using the option. So I want to keep this
configuration
option as a generic option.
Hope this clarifies.
Murali
-Scott
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