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Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.24/1213-clean-gsm-flow-control.patch.patch')
-rw-r--r--target/linux/s3c24xx/patches-2.6.24/1213-clean-gsm-flow-control.patch.patch89
1 files changed, 89 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.24/1213-clean-gsm-flow-control.patch.patch b/target/linux/s3c24xx/patches-2.6.24/1213-clean-gsm-flow-control.patch.patch
new file mode 100644
index 0000000000..4d491e3e90
--- /dev/null
+++ b/target/linux/s3c24xx/patches-2.6.24/1213-clean-gsm-flow-control.patch.patch
@@ -0,0 +1,89 @@
+From 6da7929da1b46bccaae0f53bf7a26cdd74a3b70a Mon Sep 17 00:00:00 2001
+From: Mike Westerhof <mwester@dls.net>
+Date: Wed, 2 Jul 2008 22:44:01 +0100
+Subject: [PATCH] clean-gsm-flow-control.patch
+
+Signed-off-by: Mike Westerhof <mwester@dls.net>
+
+ arch/arm/plat-s3c24xx/neo1973_pm_gsm.c | 52 +-------
+ drivers/serial/s3c2410.c | 204 +++-----------------------------
+ 2 files changed, 24 insertions(+), 232 deletions(-)
+---
+ arch/arm/plat-s3c24xx/neo1973_pm_gsm.c | 32 ++++++++++++++++++--------------
+ drivers/serial/s3c2410.c | 3 ++-
+ 2 files changed, 20 insertions(+), 15 deletions(-)
+
+diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+index d70a481..f3c9504 100644
+--- a/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
++++ b/arch/arm/plat-s3c24xx/neo1973_pm_gsm.c
+@@ -31,6 +31,18 @@
+ #include <asm/arch/regs-gpioj.h>
+ #endif
+
++extern void s3c24xx_serial_register_resume_dependency(struct resume_dependency *
++ resume_dependency, int uart_index);
++
++/* flag set if we flow-controlled the GSM in our suspend routine */
++int gsm_auto_flowcontrolled;
++
++int gta01_gsm_enabled;
++EXPORT_SYMBOL(gta01_gsm_enabled);
++
++int gta_gsm_interrupts;
++EXPORT_SYMBOL(gta_gsm_interrupts);
++
+ struct gta01pm_priv {
+ int gpio_ngsm_en;
+ int gpio_ndl_gsm;
+@@ -183,20 +195,6 @@ static DEVICE_ATTR(reset, 0644, gsm_read, gsm_write);
+ static DEVICE_ATTR(download, 0644, gsm_read, gsm_write);
+
+ #ifdef CONFIG_PM
+-static void gsm_resume_work(struct work_struct *w)
+-{
+- printk(KERN_INFO "%s: waiting...\n", __FUNCTION__);
+- if (gsm_autounlock_delay)
+- msleep(gsm_autounlock_delay);
+- if (gsm_auto_flowcontrolled) {
+- if (machine_is_neo1973_gta01())
+- s3c24xx_fake_rx_interrupt(10000);
+- s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_nRTS0);
+- gsm_auto_flowcontrolled = 0;
+- }
+- printk(KERN_INFO "%s: done.\n", __FUNCTION__);
+-}
+-
+ static int gta01_gsm_resume(struct platform_device *pdev);
+ static int gta01_gsm_suspend(struct platform_device *pdev, pm_message_t state)
+ {
+@@ -235,6 +233,12 @@ static int gta01_gsm_resume(struct platform_device *pdev)
+ if (machine_is_neo1973_gta02())
+ s3c2410_gpio_setpin(GTA02_GPIO_nDL_GSM, gta01_gsm.gpio_ndl_gsm);
+
++ /* If we forced flow-control on the GSM, we should also release it */
++ if (gsm_auto_flowcontrolled) {
++ s3c2410_gpio_cfgpin(S3C2410_GPH1, S3C2410_GPH1_nRTS0);
++ gsm_auto_flowcontrolled = 0;
++ }
++
+ return 0;
+ }
+ #else
+diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
+index bc6736d..73c6284 100644
+--- a/drivers/serial/s3c2410.c
++++ b/drivers/serial/s3c2410.c
+@@ -385,7 +385,8 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id)
+ if (uart_handle_sysrq_char(port, ch))
+ goto ignore_char;
+
+- uart_insert_char(port, uerstat, S3C2410_UERSTAT_OVERRUN, ch, flag);
++ uart_insert_char(port, uerstat, S3C2410_UERSTAT_OVERRUN, ch,
++ flag);
+
+ ignore_char:
+ continue;
+--
+1.5.6.5
+