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make ide_led() a weak alias 

Make ide_led() a weak alias instead of global/local function/empty macro
based on CONFIG_IDE_LED value and/or board-specific CONFIGs, to get rid of
board-specific code in cmd_ide.c
Define dummy values to get rid of compoler errors in case where ide_led()
used to be an empty macro

Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
This commit is contained in:
Pavel Herrmann 2012-10-07 05:56:10 +00:00 committed by Tom Rini
parent 28920b1fd2
commit 19be2ea2ef
1 changed files with 27 additions and 36 deletions
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63
common/cmd_ide.c
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@ -81,19 +81,6 @@ static int ide_bus_ok[CONFIG_SYS_IDE_MAXBUS];
block_dev_desc_t ide_dev_desc[CONFIG_SYS_IDE_MAXDEVICE];
/* ------------------------------------------------------------------------- */
#ifdef CONFIG_IDE_LED
# if !defined(CONFIG_BMS2003) && \
!defined(CONFIG_CPC45) && \
!defined(CONFIG_KUP4K) && \
!defined(CONFIG_KUP4X)
static void ide_led (uchar led, uchar status);
#else
extern void ide_led (uchar led, uchar status);
#endif
#else
#define ide_led(a,b) /* dummy */
#endif
#ifdef CONFIG_IDE_RESET
static void ide_reset (void);
#else
@ -290,6 +277,33 @@ int do_diskboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
/* ------------------------------------------------------------------------- */
void __ide_led(uchar led, uchar status)
{
#if defined(CONFIG_IDE_LED) && defined(PER8_BASE) /* required by LED_PORT */
static uchar led_buffer; /* Buffer for current LED status */
uchar *led_port = LED_PORT;
if (status) /* switch LED on */
led_buffer |= led;
else /* switch LED off */
led_buffer &= ~led;
*led_port = led_buffer;
#endif
}
void ide_led(uchar led, uchar status)
__attribute__ ((weak, alias("__ide_led")));
#ifndef CONFIG_IDE_LED /* define LED macros, they are not used anyways */
# define DEVICE_LED(x) 0
# define LED_IDE1 1
# define LED_IDE2 2
#endif
/* ------------------------------------------------------------------------- */
inline void __ide_outb(int dev, int port, unsigned char val)
{
debug("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
@ -442,9 +456,7 @@ void ide_init(void)
curr_device = -1;
for (i = 0; i < CONFIG_SYS_IDE_MAXDEVICE; ++i) {
#ifdef CONFIG_IDE_LED
int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
#endif
ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
ide_dev_desc[i].if_type = IF_TYPE_IDE;
ide_dev_desc[i].dev = i;
@ -1145,27 +1157,6 @@ static void ide_reset(void)
/* ------------------------------------------------------------------------- */
#if defined(CONFIG_IDE_LED) && \
!defined(CONFIG_CPC45) && \
!defined(CONFIG_KUP4K) && \
!defined(CONFIG_KUP4X)
static uchar led_buffer; /* Buffer for current LED status */
static void ide_led(uchar led, uchar status)
{
uchar *led_port = LED_PORT;
if (status) /* switch LED on */
led_buffer |= led;
else /* switch LED off */
led_buffer &= ~led;
*led_port = led_buffer;
}
#endif /* CONFIG_IDE_LED */
#if defined(CONFIG_OF_IDE_FIXUP)
int ide_device_present(int dev)
{