On Sep 5, 2007, at 2:29 PM, Scott Wood wrote: > 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(-)
What was this patch against? I ended up applying it by hand for 2.6.23 since its fixing a bug.. But, I'm wondering if there was a base set of changes this patchset was against? - k > 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 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
