Dear Marek Vasut,
On 23.10.2012 14:14, Marek Vasut wrote:
> Dear Andreas Bießmann,
>
>> This fixes following warning only generated with eldk-4.2:
>>
>> ---8<---
>> lcd.c: In function 'bitmap_plot':
>> lcd.c:527: warning: dereferencing type-punned pointer will break
>> strict-aliasing rules --->8---
>>
>> Signed-off-by: Andreas Bießmann <andreas.de...@googlemail.com>
>> Cc: Marek Vasut <ma...@denx.de>
>> ---
>> common/lcd.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/common/lcd.c b/common/lcd.c
>> index b6be800..9a4435f 100644
>> --- a/common/lcd.c
>> +++ b/common/lcd.c
>> @@ -524,7 +524,7 @@ static inline ushort *configuration_get_cmap(void)
>> void bitmap_plot(int x, int y)
>> {
>> #ifdef CONFIG_ATMEL_LCD
>> - uint *cmap = (uint *)bmp_logo_palette;
>> + uint *cmap = (void *)bmp_logo_palette;
>
> Are you _sure_ this is the right fix ?
yes, I am. This patch is runtime tested on an at91sam9263ek.
I first tried to consolidate the cmap and just use the ushort as in the
else path. But unfortunately this require some more rework of this driver.
> Why is the atmel LCD driver so separate
> anyway?
Sorry, I don't know. This should really be reworked some time.
But I think for now this quick fix can be applied to silence your
eldk-4.2 warning.
Best regards
Andreas Bießmann
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