On 09/17/2016 02:09 AM, Javier Martinez Canillas wrote:
Hello Randy,
On 09/16/2016 01:21 PM, Krzysztof Kozlowski wrote:
[snip]
+
+ beep {
+ compatible = "pwm-beeper";
+ pwms = <&pwm 0 4000000 PWM_POLARITY_INVERTED>;
I have serious doubts that you run this code... if it does not even
compile. Sorry, I cannot accept code that does not compile and was not
tested.
Please, test your DTS on top of current Linux tree, which would be one of:
1. Linus' master branch: v4.8-rc6,
2. one of my branches (for-next, next/dt etc),
When I sent those patches, I tested in "Add linux-next specific files for
20160907"
OK, good, but please tell me why kbuild reported that build error?
I agree with Krzysztof, it doesn't seem that you tested the exact version
I am sure I does.
that was posted. You will need the following change to make the DTS build
in latest linux-next:
I didn't post the patch is WIP, which would adding the LCD panel support
to this board.
diff --git a/arch/arm/boot/dts/exynos4412-itop-elite.dts b/arch/arm/boot/dts/exynos4412-itop-elite.dts
index dd83689892ff..8559f891a740 100644
--- a/arch/arm/boot/dts/exynos4412-itop-elite.dts
+++ b/arch/arm/boot/dts/exynos4412-itop-elite.dts
@@ -14,6 +14,7 @@
*/
/dts-v1/;
+#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/sound/samsung-i2s.h>
#include "exynos4412-itop-scp-core.dtsi"
So please squash that change and resend.
I would, but I meet a problem in memory with the latest next-20160916,
it seems that it can't access the memory while it never happened before.
MMC read: dev # 1, block # 2048, count 14336 ...14336 blocks read:
OK [58/426]
Boot with zImage
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
[ 0.000000] Booting Linux on physical CPU 0xa00
[ 0.000000] Linux version 4.8.0-rc6-next-20160916-00004-gae92137
(ayaka@ritsuko) (gcc version 6.1.0 (Buildroot 2016.05-00006-g0
792d0d-dirty) ) #83 SMP PREEMPT Sun Sep 18 17:29:56 CST 2016
[ 0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7),
cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing
instruction cache
[ 0.000000] OF: fdt:Machine model: TOPEET iTop 4412 Elite board based
on Exynos4412
[ 0.000000] bootconsole [earlycon0] enabled
[ 0.000000] OF: reserved mem: failed to allocate memory for node
'region_mfc_right'
[ 0.000000] OF: reserved mem: failed to allocate memory for node
'region_mfc_left'
[ 0.000000] cma: Failed to reserve 32 MiB
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] Kernel panic - not syncing: ERROR: Failed to allocate
0x2000 bytes below 0x0.
[ 0.000000]
[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted
4.8.0-rc6-next-20160916-00004-gae92137 #83
[ 0.000000] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[ 0.000000] [<c010e17c>] (unwind_backtrace) from [<c010af78>]
(show_stack+0x10/0x14)
[ 0.000000] [<c010af78>] (show_stack) from [<c03080e4>]
(dump_stack+0x70/0x8c)
[ 0.000000] [<c03080e4>] (dump_stack) from [<c019e580>]
(panic+0xc4/0x244)
[ 0.000000] [<c019e580>] (panic) from [<c0810e3c>]
(memblock_alloc_base+0x2c/0x38)
[ 0.000000] [<c0810e3c>] (memblock_alloc_base) from [<c0806aec>]
(early_alloc_aligned+0xc/0x2c)
[ 0.000000] [<c0806aec>] (early_alloc_aligned) from [<c08074c8>]
(paging_init+0x548/0xa70)
[ 0.000000] [<c08074c8>] (paging_init) from [<c0803dc8>]
(setup_arch+0x50c/0xa28)
[ 0.000000] [<c0803dc8>] (setup_arch) from [<c080091c>]
(start_kernel+0x50/0x384)
[ 0.000000] [<c080091c>] (start_kernel) from [<4000807c>] (0x4000807c)
[ 0.000000] ---[ end Kernel panic - not syncing: ERROR: Failed to
allocate 0x2000 bytes below 0x0.
[ 0.000000
Best regards,
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