tree eb0a9beef23463d18d8d440c8fba9cbbb1f986b3
parent 8b378def5a386c4a7f15b51ed79802badb9f5a70
author Bjorn Helgaas <[EMAIL PROTECTED]> Thu, 28 Jul 2005 15:07:39 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Thu, 28 Jul 2005 22:39:02 -0700
[PATCH] PCDP: if PCDP contains parity information, use it
If the PCDP supplies parity, use it (only none/even/odd supported), and
don't append parity/stop bit arguments unless baud is present.
Signed-off-by: Bjorn Helgaas <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
drivers/firmware/pcdp.c | 14 +++++++++++---
1 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/firmware/pcdp.c b/drivers/firmware/pcdp.c
--- a/drivers/firmware/pcdp.c
+++ b/drivers/firmware/pcdp.c
@@ -25,14 +25,22 @@ setup_serial_console(struct pcdp_uart *u
#ifdef CONFIG_SERIAL_8250_CONSOLE
int mmio;
static char options[64], *p = options;
+ char parity;
mmio = (uart->addr.address_space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY);
p += sprintf(p, "console=uart,%s,0x%lx",
mmio ? "mmio" : "io", uart->addr.address);
- if (uart->baud)
+ if (uart->baud) {
p += sprintf(p, ",%lu", uart->baud);
- if (uart->bits)
- p += sprintf(p, "n%d", uart->bits);
+ if (uart->bits) {
+ switch (uart->parity) {
+ case 0x2: parity = 'e'; break;
+ case 0x3: parity = 'o'; break;
+ default: parity = 'n';
+ }
+ p += sprintf(p, "%c%d", parity, uart->bits);
+ }
+ }
return early_serial_console_init(options);
#else
-
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