diff options
| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2019-06-07 16:33:50 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-21 09:05:55 +0200 |
| commit | 23a9000f0799bf3f40bff826532109435ca371bc (patch) | |
| tree | c16925441d80cea78c98683f2596d194ed86d91d | |
| parent | a815a475ae6006d53ecd57a9b0d10b82e3bf1ca2 (diff) | |
| download | linux-rt-23a9000f0799bf3f40bff826532109435ca371bc.tar.gz | |
ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
[ Upstream commit 68f2515bb31a664ba3e2bc1eb78dd9f529b10067 ]
The lcdc device is missing the dma_coherent_mask definition causing the
following warning on da850-evm:
da8xx_lcdc da8xx_lcdc.0: found Sharp_LK043T1DG01 panel
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at kernel/dma/mapping.c:247 dma_alloc_attrs+0xc8/0x110
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 5.2.0-rc3-00077-g16d72dd4891f #18
Hardware name: DaVinci DA850/OMAP-L138/AM18x EVM
[<c000fce8>] (unwind_backtrace) from [<c000d900>] (show_stack+0x10/0x14)
[<c000d900>] (show_stack) from [<c001a4f8>] (__warn+0xec/0x114)
[<c001a4f8>] (__warn) from [<c001a634>] (warn_slowpath_null+0x3c/0x48)
[<c001a634>] (warn_slowpath_null) from [<c0065860>] (dma_alloc_attrs+0xc8/0x110)
[<c0065860>] (dma_alloc_attrs) from [<c02820f8>] (fb_probe+0x228/0x5a8)
[<c02820f8>] (fb_probe) from [<c02d3e9c>] (platform_drv_probe+0x48/0x9c)
[<c02d3e9c>] (platform_drv_probe) from [<c02d221c>] (really_probe+0x1d8/0x2d4)
[<c02d221c>] (really_probe) from [<c02d2474>] (driver_probe_device+0x5c/0x168)
[<c02d2474>] (driver_probe_device) from [<c02d2728>] (device_driver_attach+0x58/0x60)
[<c02d2728>] (device_driver_attach) from [<c02d27b0>] (__driver_attach+0x80/0xbc)
[<c02d27b0>] (__driver_attach) from [<c02d047c>] (bus_for_each_dev+0x64/0xb4)
[<c02d047c>] (bus_for_each_dev) from [<c02d1590>] (bus_add_driver+0xe4/0x1d8)
[<c02d1590>] (bus_add_driver) from [<c02d301c>] (driver_register+0x78/0x10c)
[<c02d301c>] (driver_register) from [<c000a5c0>] (do_one_initcall+0x48/0x1bc)
[<c000a5c0>] (do_one_initcall) from [<c05cae6c>] (kernel_init_freeable+0x10c/0x1d8)
[<c05cae6c>] (kernel_init_freeable) from [<c048a000>] (kernel_init+0x8/0xf4)
[<c048a000>] (kernel_init) from [<c00090e0>] (ret_from_fork+0x14/0x34)
Exception stack(0xc6837fb0 to 0xc6837ff8)
7fa0: 00000000 00000000 00000000 00000000
7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace 8a8073511be81dd2 ]---
Add a 32-bit mask to the platform device's definition.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 9a22d40602aa..24779504f489 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -706,6 +706,9 @@ static struct platform_device da8xx_lcdc_device = { .id = 0, .num_resources = ARRAY_SIZE(da8xx_lcdc_resources), .resource = da8xx_lcdc_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + } }; int __init da8xx_register_lcdc(struct da8xx_lcdc_platform_data *pdata) |