[U-Boot] [PATCH 72/72] serial: Enhance the manual relocation

Marek Vasut
2012-09-29T21:53:05Z

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>
---
drivers/serial/serial.c | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 91c7269..9550cbd 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -96,12 +96,20 @@ 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;
--
1.7.10.4