This is a note to let you know that I've just added the patch titled
ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
arm-dra7-hwmod-fix-boot-crash-with-debug_ll.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 38958c15dc640a9249e4f0cd0dfb0ddc7a23464d Mon Sep 17 00:00:00 2001
From: Rajendra Nayak <[email protected]>
Date: Thu, 12 Dec 2013 15:22:49 +0530
Subject: ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL
From: Rajendra Nayak <[email protected]>
commit 38958c15dc640a9249e4f0cd0dfb0ddc7a23464d upstream.
With commit '7dedd34: ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with
DEBUG_LL' we moved from parsing cmdline to identify uart used for earlycon
to using the requsite hwmod CONFIG_DEBUG_OMAPxUARTy FLAGS.
On DRA7 though, we seem to be missing this flag, and atleast on the DRA7 EVM
where we use uart1 for console, boot fails with DEBUG_LL enabled.
Reported-by: Lokesh Vutla <[email protected]>
Tested-by: Lokesh Vutla <[email protected]> # on a different base
Signed-off-by: Rajendra Nayak <[email protected]>
Fixes: 7dedd346941d ("ARM: OMAP2+: hwmod: Fix a crash in _setup_reset() with
DEBUG_LL")
Signed-off-by: Paul Walmsley <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -1637,7 +1637,7 @@ static struct omap_hwmod dra7xx_uart1_hw
.class = &dra7xx_uart_hwmod_class,
.clkdm_name = "l4per_clkdm",
.main_clk = "uart1_gfclk_mux",
- .flags = HWMOD_SWSUP_SIDLE_ACT,
+ .flags = HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP2UART1_FLAGS,
.prcm = {
.omap4 = {
.clkctrl_offs = DRA7XX_CM_L4PER_UART1_CLKCTRL_OFFSET,
Patches currently in stable-queue which might be from [email protected] are
queue-3.12/arm-dra7-hwmod-fix-boot-crash-with-debug_ll.patch
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