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author | Lokesh Vutla <lokeshvutla@ti.com> | 2015-01-08 06:52:04 -0500 |
---|---|---|
committer | Paul Walmsley <paul@pwsan.com> | 2015-01-20 20:12:17 -0500 |
commit | 1c7e36bfc3e2fb2df5e2d1989a4b6fb9055a0f9b (patch) | |
tree | 76edf8c5d0a7ebdb083cd7a8845e2fc1a0145cf1 /arch/arm/mach-omap2 | |
parent | 556708fe87188bb0e782d23792f0ce68c0694721 (diff) |
ARM: DRA7: hwmod: Fix boot crash with DEBUG_LL enabled on UART3
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 UART3 hwmod doesn't have this flag enabled, and atleast on
BeagleBoard-X15, where we use UART3 for console, boot fails with
DEBUG_LL enabled. Enable DEBUG_OMAP4UART3_FLAGS for UART3 hwmod.
For using DEBUG_LL, enable CONFIG_DEBUG_OMAP4UART3 in menuconfig.
Fixes: 90020c7b2c5e ("ARM: OMAP: DRA7: hwmod: Create initial DRA7XX SoC data")
Cc: <stable@vger.kernel.org> # v3.12+
Reviewed-by: Felipe Balbi <balbi@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Diffstat (limited to 'arch/arm/mach-omap2')
-rw-r--r-- | arch/arm/mach-omap2/omap_hwmod_7xx_data.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c index 4db8c35c5c82..e8692e7675b8 100644 --- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c | |||
@@ -2018,7 +2018,7 @@ static struct omap_hwmod dra7xx_uart3_hwmod = { | |||
2018 | .class = &dra7xx_uart_hwmod_class, | 2018 | .class = &dra7xx_uart_hwmod_class, |
2019 | .clkdm_name = "l4per_clkdm", | 2019 | .clkdm_name = "l4per_clkdm", |
2020 | .main_clk = "uart3_gfclk_mux", | 2020 | .main_clk = "uart3_gfclk_mux", |
2021 | .flags = HWMOD_SWSUP_SIDLE_ACT, | 2021 | .flags = HWMOD_SWSUP_SIDLE_ACT | DEBUG_OMAP4UART3_FLAGS, |
2022 | .prcm = { | 2022 | .prcm = { |
2023 | .omap4 = { | 2023 | .omap4 = { |
2024 | .clkctrl_offs = DRA7XX_CM_L4PER_UART3_CLKCTRL_OFFSET, | 2024 | .clkctrl_offs = DRA7XX_CM_L4PER_UART3_CLKCTRL_OFFSET, |