The hardware adds one to the BRG value to get the divider, so it must
be subtracted by software. Without this patch, characters will occasionally
be corrupted.
Signed-off-by: Scott Wood <[EMAIL PROTECTED]>
---
arch/powerpc/sysdev/cpm2_common.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/sysdev/cpm2_common.c
b/arch/powerpc/sysdev/cpm2_common.c
index dbef50c..99ad1ed 100644
--- a/arch/powerpc/sysdev/cpm2_common.c
+++ b/arch/powerpc/sysdev/cpm2_common.c
@@ -102,7 +102,7 @@ cpm_setbrg(uint brg, uint rate)
brg -= 4;
}
bp += brg;
- out_be32(bp, ((BRG_UART_CLK / rate) << 1) | CPM_BRG_EN);
+ out_be32(bp, (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN);
cpm2_unmap(bp);
}
--
1.5.3
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