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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2017-03-14 15:07:33 +0100 |
| commit | b70366e5d31788650b2a5cec5cd13ea80ac7e44a (patch) | |
| tree | d972ffd190111d699200448494fda333d28b2486 /arch/arm/mach-omap2/omap_hwmod.c | |
| parent | f42e181935d5e5670c87d31ae48063a495bbacae (diff) | |
| parent | db6ccf23e8ba40fc2e8914ec9c0eb950df71d9fe (diff) | |
| download | talos-op-linux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.tar.gz talos-op-linux-b70366e5d31788650b2a5cec5cd13ea80ac7e44a.zip | |
Merge tag 'doc-4.11-images' of git://git.lwn.net/linux into drm-misc-next
Pointer for Markus's image conversion work.
We need this so we can merge all the pretty drm graphs for 4.12.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index e8b988714a09..0da4f2ea76c4 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3249,6 +3249,36 @@ int __init omap_hwmod_setup_one(const char *oh_name) } /** + * omap_hwmod_setup_earlycon_flags - set up flags for early console + * + * Enable DEBUG_OMAPUART_FLAGS for uart hwmod that is being used as + * early concole so that hwmod core doesn't reset and keep it in idle + * that specific uart. + */ +#ifdef CONFIG_SERIAL_EARLYCON +static void __init omap_hwmod_setup_earlycon_flags(void) +{ + struct device_node *np; + struct omap_hwmod *oh; + const char *uart; + + np = of_find_node_by_path("/chosen"); + if (np) { + uart = of_get_property(np, "stdout-path", NULL); + if (uart) { + np = of_find_node_by_path(uart); + if (np) { + uart = of_get_property(np, "ti,hwmods", NULL); + oh = omap_hwmod_lookup(uart); + if (oh) + oh->flags |= DEBUG_OMAPUART_FLAGS; + } + } + } +} +#endif + +/** * omap_hwmod_setup_all - set up all registered IP blocks * * Initialize and set up all IP blocks registered with the hwmod code. @@ -3261,6 +3291,9 @@ static int __init omap_hwmod_setup_all(void) _ensure_mpu_hwmod_is_setup(NULL); omap_hwmod_for_each(_init, NULL); +#ifdef CONFIG_SERIAL_EARLYCON + omap_hwmod_setup_earlycon_flags(); +#endif omap_hwmod_for_each(_setup, NULL); return 0; |

