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serial: Enhance the manual relocation 

Enhance the manual relocation of drivers operations structure by
checking if the entries are NULL and increment them only if they
are not. This allows for setting any entry to NULL and it will
survive the manual relocation.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Tom Rini <trini@ti.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Stefan Roese <sr@denx.de>
This commit is contained in:
Marek Vasut 2012-09-16 18:54:22 +02:00 committed by Tom Rini
parent c1f5805a9d
commit f2760c4acd
1 changed files with 14 additions and 6 deletions
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20
drivers/serial/serial.c
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@ -97,12 +97,20 @@ serial_initfunc(sh_serial_initialize);
void serial_register(struct serial_device *dev)
{
#ifdef CONFIG_NEEDS_MANUAL_RELOC
dev->start += gd->reloc_off;
dev->setbrg += gd->reloc_off;
dev->getc += gd->reloc_off;
dev->tstc += gd->reloc_off;
dev->putc += gd->reloc_off;
dev->puts += gd->reloc_off;
if (dev->start)
dev->start += gd->reloc_off;
if (dev->stop)
dev->stop += gd->reloc_off;
if (dev->setbrg)
dev->setbrg += gd->reloc_off;
if (dev->getc)
dev->getc += gd->reloc_off;
if (dev->tstc)
dev->tstc += gd->reloc_off;
if (dev->putc)
dev->putc += gd->reloc_off;
if (dev->puts)
dev->puts += gd->reloc_off;
#endif
dev->next = serial_devices;