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