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Franklin S. Cooper Jr
6efc27aedc
* Update to the latest PSP release (version 04.06.00.10) of the 3.2 kernel. * Rename recipe to match meta-ti kernel recipe naming convention. * Use in tree defconfig instead of providing a separate defconfig. These defconfigs were the same anyway. * Add additional crypto patches that were needed to fix suspend and resume issues. Signed-off-by: Franklin S. Cooper Jr <fcooper@ti.com> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
43 lines
1.5 KiB
Diff
43 lines
1.5 KiB
Diff
From 0f62d1f4d4543a315815b8eb15ea9cdad25d16c8 Mon Sep 17 00:00:00 2001
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From: Eyal Reizer <eyalr@ti.com>
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Date: Wed, 27 Jun 2012 16:08:53 +0300
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Subject: [PATCH] omap-serial: add delay before suspending
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In case suspending during Bluetooth traffic, after resume the bluetooth is
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stuck.
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It was identified that suspend is happening before the UART buffer was
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fully drained which caused this hang after resume.
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The folliwng delay is a temporary workaround until the issue is resolved
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properly.
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Upstream Status: Pending
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Signed-off-by: Eyal Reizer <eyalr@ti.com>
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---
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drivers/tty/serial/omap-serial.c | 10 ++++++++++
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1 files changed, 10 insertions(+), 0 deletions(-)
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diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
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index ca24ab3..108ea2b 100755
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--- a/drivers/tty/serial/omap-serial.c
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+++ b/drivers/tty/serial/omap-serial.c
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@@ -1166,6 +1166,16 @@ static int serial_omap_suspend(struct device *dev)
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struct uart_omap_port *up = dev_get_drvdata(dev);
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if (up) {
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+ /*
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+ In case suspending during Bluetooth traffic, after resume
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+ the bluetooth is stuck.
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+ It was identified that suspend is happening before the
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+ UART buffer was fully drained which caused this hang after
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+ resume. The following delay is a temporary workaround until
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+ the issue is resolved properly.
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+ */
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+ msleep(10);
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+
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uart_suspend_port(&serial_omap_reg, &up->port);
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flush_work_sync(&up->qos_work);
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}
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--
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1.7.0.4
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