[oe-commits] org.oe.dev linux-davinci : Add patch to solve strange serial console behavior.

[crofton commit]

linux-davinci : Add patch to solve strange serial console behavior.

Author: crofton at openembedded.org
Branch: org.openembedded.dev
Revision: 05dd48c35e7fc8bd8ec725a975682953f4e2eb8b
ViewMTN: http://monotone.openembedded.org/revision/info/05dd48c35e7fc8bd8ec725a975682953f4e2eb8b
Files:
1
packages/linux/linux-davinci/8250_davinci.patch
packages/linux/linux-davinci_2.6.x+git-davinci.bb
Diffs:

#
# mt diff -red7f086a6f3dc6bc06899e467a960cd37d7f2a9c -r05dd48c35e7fc8bd8ec725a975682953f4e2eb8b
#
#
#
# add_file "packages/linux/linux-davinci/8250_davinci.patch"
#  content [b6996c0bbec48b92f65ae360f3f1daf28c1396e6]
# 
# patch "packages/linux/linux-davinci_2.6.x+git-davinci.bb"
#  from [08ffdd8f902b532c93f402c9a38c62540680bfd7]
#    to [f26c59677dde2591abcb386fdfb6b2fa926a2860]
#
============================================================
--- packages/linux/linux-davinci/8250_davinci.patch	b6996c0bbec48b92f65ae360f3f1daf28c1396e6
+++ packages/linux/linux-davinci/8250_davinci.patch	b6996c0bbec48b92f65ae360f3f1daf28c1396e6
@@ -0,0 +1,28 @@
+--- linux-2.6/drivers/serial/8250.c	2008-08-06 15:56:53.000000000 -0500
++++ linux-2.6-vanilla/drivers/serial/8250.c	2008-08-07 12:24:29.000000000 -0500
+@@ -1867,7 +1867,6 @@
+ 	}
+ 
+ 	if (is_real_interrupt(up->port.irq)) {
+-		unsigned char iir1;
+ 		/*
+ 		 * Test for UARTs that do not reassert THRE when the
+ 		 * transmitter is idle and the interrupt has already
+@@ -1881,7 +1880,7 @@
+ 		wait_for_xmitr(up, UART_LSR_THRE);
+ 		serial_out_sync(up, UART_IER, UART_IER_THRI);
+ 		udelay(1); /* allow THRE to set */
+-		iir1 = serial_in(up, UART_IIR);
++		serial_in(up, UART_IIR);
+ 		serial_out(up, UART_IER, 0);
+ 		serial_out_sync(up, UART_IER, UART_IER_THRI);
+ 		udelay(1); /* allow a working UART time to re-assert THRE */
+@@ -1894,7 +1893,7 @@
+ 		 * If the interrupt is not reasserted, setup a timer to
+ 		 * kick the UART on a regular basis.
+ 		 */
+-		if (!(iir1 & UART_IIR_NO_INT) && (iir & UART_IIR_NO_INT)) {
++		if (iir & UART_IIR_NO_INT) {
+ 			pr_debug("ttyS%d - using backup timer\n", port->line);
+ 			up->timer.function = serial8250_backup_timeout;
+ 			up->timer.data = (unsigned long)up;
============================================================
--- packages/linux/linux-davinci_2.6.x+git-davinci.bb	08ffdd8f902b532c93f402c9a38c62540680bfd7
+++ packages/linux/linux-davinci_2.6.x+git-davinci.bb	f26c59677dde2591abcb386fdfb6b2fa926a2860
@@ -13,6 +13,7 @@ SRC_URI = "git://source.mvista.com/git/l
 COMPATIBLE_MACHINE = "(davinci-dvevm|davinci-sffsdr)"
 
 SRC_URI = "git://source.mvista.com/git/linux-davinci-2.6.git;protocol=git \
+           file://8250_davinci.patch;patch=1 \
            file://defconfig"
 
 SRC_URI_append_davinci-sffsdr = " file://sffsdr.patch;patch=1"