> -----Original Message----- > From: John Linn [mailto:[EMAIL PROTECTED] > Sent: Tuesday, July 01, 2008 9:32 AM > To: linuxppc-dev@ozlabs.org; [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; > [EMAIL PROTECTED]; [EMAIL PROTECTED]; Stephen Neuendorffer > Cc: John Linn > Subject: [PATCH] powerpc: legacy_serial: reg-offset & shift aren't used > > The legacy serial driver does not work with an 8250 > type UART that uses reg-offset and reg-shift. This > change updates the driver so it doesn't find the UART > when those properties are present on the UART in the > device tree for soc devices. > > Signed-off-by: John Linn <[EMAIL PROTECTED]> > Acked-by: Grant Likely <[EMAIL PROTECTED]> > --- > > arch/powerpc/kernel/legacy_serial.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c > index 61dd174..b43235f 100644 > --- a/arch/powerpc/kernel/legacy_serial.c > +++ b/arch/powerpc/kernel/legacy_serial.c > @@ -136,6 +136,11 @@ static int __init add_legacy_soc_port(struct device_node *np, > if (of_get_property(np, "clock-frequency", NULL) == NULL) > return -1; > > + /* if reg-shift and offset, don't try to use it */ > + if ((of_get_property(np, "reg-shift", NULL) != NULL) && > + (of_get_property(np, "reg-offset", NULL) != NULL)) > + return -1;
Um, shouldn't this be || ? > + > /* if rtas uses this device, don't try to use it as well */ > if (of_get_property(np, "used-by-rtas", NULL) != NULL) > return -1; > -- > 1.5.2.1 > This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
