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Commit f5c5e9d8 authored by Hanumant Singh's avatar Hanumant Singh Committed by Gerrit - the friendly Code Review server
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msm: mdm: do not reset the mdm 



The data peripheral driver (e.g. hsic) as well as the
external modem is reset from user space via sysfs nodes.

Change-Id: I1843057e1e7aa4f7728e38a06ea820784ce11e4b
Signed-off-by: default avatarHanumant Singh <hanumant@codeaurora.org>
parent b2ba3375

arch/arm/mach-msm/mdm_common.c

+9 −12
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ 
#define MDM_MODEM_DELTA	100

#define MDM_BOOT_TIMEOUT	60000L

#define MDM_RDUMP_TIMEOUT	120000L

#define MDM2AP_STATUS_TIMEOUT_MS 60000L

#define MDM2AP_STATUS_TIMEOUT_MS 120000L



/* Allow a maximum device id of this many digits */

#define MAX_DEVICE_DIGITS  10
@@ -473,6 +473,13 @@ static long mdm_modem_ioctl(struct file *filp, unsigned int cmd, 
		else

			mdev->first_boot = 0;



		/* If userspace has reset the peripheral device then

		 * inform the modem here.

		 */

		if (GPIO_IS_VALID(MDM_GPIO(AP2MDM_WAKEUP)))

				gpio_direction_output(

				   MDM_GPIO(AP2MDM_WAKEUP), 1);



		/* If successful, start a timer to check that the mdm2ap_status

		 * gpio goes high.

		 */
@@ -682,17 +689,7 @@ static int mdm_subsys_shutdown(const struct subsys_desc *crashed_subsys) 
		 */

		msleep(mdm_drv->pdata->ramdump_delay_ms);

	}

	/* If userspace is resetting the peripheral device then

	 * it will also reset the modem during ramdumps or normal

	 * power up.

	 */

	if (!mdm_drv->mdm_unexpected_reset_occurred) {

		mdm_ops->reset_mdm_cb(mdm_drv);

		/* Update gpio configuration to "booting" config. */

		mdm_update_gpio_configs(mdev, GPIO_UPDATE_BOOTING_CONFIG);

	} else {

	mdm_drv->mdm_unexpected_reset_occurred = 0;

	}

	return 0;

}