diff options
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1069-gta01-dehang-printk.patch.patch')
| -rw-r--r-- | target/linux/s3c24xx/patches-2.6.24/1069-gta01-dehang-printk.patch.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1069-gta01-dehang-printk.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1069-gta01-dehang-printk.patch.patch new file mode 100644 index 0000000..35051bf --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.24/1069-gta01-dehang-printk.patch.patch @@ -0,0 +1,44 @@ +From f76a7a9e4e1cf2224e028e78a6869d3e8375dbe3 Mon Sep 17 00:00:00 2001 +From: mokopatches <mokopatches@openmoko.org> +Date: Sun, 13 Apr 2008 07:23:58 +0100 +Subject: [PATCH] gta01-dehang-printk.patch + This is a temporary work-around Mike Westerhof for this bug: + http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=788 + +See also +http://lists.openmoko.org/pipermail/openmoko-kernel/2008-February/000804.html + +(It's the 2nd option.) + +We may settle on a different solution in the future, depending on +feedback from upstream. +--- + drivers/serial/s3c2410.c | 9 +++++++++ + 1 files changed, 9 insertions(+), 0 deletions(-) + +diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c +index 6c93a1b..b566f42 100644 +--- a/drivers/serial/s3c2410.c ++++ b/drivers/serial/s3c2410.c +@@ -1717,9 +1717,18 @@ static void + s3c24xx_serial_console_putchar(struct uart_port *port, int ch) + { + unsigned int ufcon = rd_regl(cons_uart, S3C2410_UFCON); ++ unsigned int umcon = rd_regl(cons_uart, S3C2410_UMCON); ++ ++ /* If auto HW flow control enabled, temporarily turn it off */ ++ if (umcon & S3C2410_UMCOM_AFC) ++ wr_regl(port, S3C2410_UMCON, (umcon & !S3C2410_UMCOM_AFC)); ++ + while (!s3c24xx_serial_console_txrdy(port, ufcon)) + barrier(); + wr_regb(cons_uart, S3C2410_UTXH, ch); ++ ++ if (umcon & S3C2410_UMCOM_AFC) ++ wr_regl(port, S3C2410_UMCON, umcon); + } + + static void +-- +1.5.6.5 + |