[PATCH 2/3]NAND: OMAP: Fixing omap nand driver, compiled as module

[Vimal Singh]

On Tue, Nov 3, 2009 at 1:58 PM, Artem Bityutskiy <dedekind1 at gmail.com> wrote:
> On Fri, 2009-10-30 at 14:57 +0530, Vimal Singh wrote:
>> Last time I forgot to 'git add' for 'arch/arm/mach-omap2/gpmc.c'... My bad.
>> Correct patch is below.
>>
>> -vimal
>>
>>
>> From: Vimal Singh <vimalsingh at ti.com>
>> Date: Fri, 30 Oct 2009 14:54:29 +0530
>> Subject: [PATCH] NAND: OMAP: Fixing omap nand driver, compiled as module
>>
>> Removing OMAP NAND driver, when loaded as a module, gives error and
>> does not get success. This fixes this and makes driver loadable and
>> removable run time.
>>
>> Signed-off-by: Vimal Singh <vimalsingh at ti.com>
>> ---
>>  arch/arm/mach-omap2/gpmc.c |    2 ++
>>  drivers/mtd/nand/omap2.c   |    5 ++++-
>>  2 files changed, 6 insertions(+), 1 deletions(-)
>>
>> diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
>> index 1587682..1d10b7b 100644
>> --- a/arch/arm/mach-omap2/gpmc.c
>> +++ b/arch/arm/mach-omap2/gpmc.c
>> @@ -88,6 +88,7 @@ void gpmc_cs_write_reg(int cs, int idx, u32 val)
>>       reg_addr = gpmc_base + GPMC_CS0 + (cs * GPMC_CS_SIZE) + idx;
>>       __raw_writel(val, reg_addr);
>>  }
>> +EXPORT_SYMBOL(gpmc_cs_write_reg);
>>
>>  u32 gpmc_cs_read_reg(int cs, int idx)
>>  {
>> @@ -96,6 +97,7 @@ u32 gpmc_cs_read_reg(int cs, int idx)
>>       reg_addr = gpmc_base + GPMC_CS0 + (cs * GPMC_CS_SIZE) + idx;
>>       return __raw_readl(reg_addr);
>>  }
>> +EXPORT_SYMBOL(gpmc_cs_read_reg);
>
> Why do you export these?

These functions are called during prob. So, if not exported and driver
is compiled as a module compilation will break with error saying these
are not defined or not found.


-- 
Regards,
Vimal Singh