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ns16550: change reg-shift property default to zero

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Change reg-shift property default to zero. When the integer property
is missing, it should be taken as zero. This is consistent to Linux
drivers/tty/serial/of_serial.c.

The x86 and most powerpc use reg-shift of 0. Most others use reg-shift
of 2. While reg-shift of 1 is rarely used.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Thomas Chou 2015-11-29 14:01:03 +08:00 committed by Tom Rini
parent eada086f85
commit 80e0614670
1 changed files with 1 additions and 1 deletions
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2
drivers/serial/ns16550.c
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@ -403,7 +403,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
plat->base = addr;
plat->reg_shift = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"reg-shift", 1);
"reg-shift", 0);
plat->clock = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
"clock-frequency",
CONFIG_SYS_NS16550_CLK);