[U-Boot] [PATCH 1/2] gpio: Add driver for Altera's PIO core

[Thomas Chou]

On 10/17/2011 11:36 PM, Joachim Foerster wrote:
> This driver may handle multiple PIO cores and thus needs to be
> setup by calling the altera_pio_init() function within the early
> board setup routine.
>
> The driver comes with some extras, see below the copyleft header.
>
> Signed-off-by: Joachim Foerster<joachim.foerster at missinglinkelectronics.com>
> ---
>   arch/nios2/include/asm/gpio.h              |   13 +-
>   board/altera/nios2-generic/custom_fpga.h   |    1 +
>   board/altera/nios2-generic/nios2-generic.c |    8 +
>   drivers/gpio/Makefile                      |    1 +
>   drivers/gpio/altera_pio.c                  |  299 ++++++++++++++++++++++++++++
>   5 files changed, 320 insertions(+), 2 deletions(-)
>   create mode 100644 drivers/gpio/altera_pio.c

Hi Joachim,

Please fix these warning. Thanks.

$ ./MAKEALL nios2-generic
Configuring for nios2-generic board...
altera_pio.c: In function `altera_pio_info':
altera_pio.c:189: warning: ` ' flag used with `%u' printf format

checkpatch.pl

ERROR: do not initialise statics to 0 or NULL
#209: FILE: drivers/gpio/altera_pio.c:71:
+static int pio_num = 0;

ERROR: do not initialise statics to 0 or NULL
#217: FILE: drivers/gpio/altera_pio.c:79:
+static int pio_gpio_num = 0;


Otherwise,
Tested-by: Thomas Chou <thomas at wytron.com.tw>

Best regards,
Thomas