Hi Andy,
On Wed, Jul 6, 2016 at 5:17 PM, Andy Shevchenko
<andriy.shevchenko@xxxxxxxxxxxxxxx> wrote:
> Hi!
>
> On one of our new board with Intel Broxton SoC the commit 4ef03d328769
> ("tty/serial/8250: use mctrl_gpio helpers") broke console. i.e. input
> stopped working. The revert solves the issue.
>
> git bisect start
> # bad: [6319e62b0ae4c29484bcd1688da70a9c1fc42160] <local commit based on
> latest linux-next, doesn't actually matter>
>
> git bisect bad 6319e62b0ae4c29484bcd1688da70a9c1fc42160
> # good: [cb12741e7be894d845785b42e2985266f6414d03] Merge remote-tracking
> branch 'spi/for-next'
> git bisect good cb12741e7be894d845785b42e2985266f6414d03
> # bad: [ef48f94b4a494c1349466e2ec66191121637f1ea] Merge remote-tracking
> branch 'usb/usb-next'
> git bisect bad ef48f94b4a494c1349466e2ec66191121637f1ea
> # good: [7f932a014fa5e24068ea49081684bd4e93484c38] Merge remote-tracking
> branch 'rcu/rcu/next'
> git bisect good 7f932a014fa5e24068ea49081684bd4e93484c38
> # good: [991387f1ab2ddfdd94f637d27f602c085f58a3c2] Merge remote-tracking
> branch 'hsi/for-next'
> git bisect good 991387f1ab2ddfdd94f637d27f602c085f58a3c2
> # good: [215db9481814bfae69cde49d82865c74189e435f] Merge tag 'usb-for-
> v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into
> usb-next
> git bisect good 215db9481814bfae69cde49d82865c74189e435f
> # good: [4da22f1418cb6f09e974499794db2f5e59fe8090] serial: 8250_fintek:
> fix the mismatched IRQ mode
> git bisect good 4da22f1418cb6f09e974499794db2f5e59fe8090
> # bad: [f8ba3647f30ab22daeb5110453e2dad8a2c1d841] earlycon: mark
> earlycon code as __used iif the caller is built-in
> git bisect bad f8ba3647f30ab22daeb5110453e2dad8a2c1d841
> # good: [a59388668d0ce19dadea909e09f4eb905a27b1ce] serial/bcm63xx_uart:
> use correct alias naming
> git bisect good a59388668d0ce19dadea909e09f4eb905a27b1ce
> # good: [c6f82787a5a193a5c4c49ddaeb362d320efa5fba] dmaengine: hsu:
> Export hsu_dma_get_status()
> git bisect good c6f82787a5a193a5c4c49ddaeb362d320efa5fba
> # good: [36fd95b17e9c1c41836632d95f2be5cff93b3df8] tty/serial/8250: make
> UART_MCR register access consistent
> git bisect good 36fd95b17e9c1c41836632d95f2be5cff93b3df8
> # good: [434be0ae7aa746f481c3a22139e472dbc3f4f817] serial: mctrl_gpio:
> enable API usage only for initialized mctrl_gpios struct
> git bisect good 434be0ae7aa746f481c3a22139e472dbc3f4f817
> # bad: [4ef03d328769eddbfeca1f1c958fdb181a69c341] tty/serial/8250: use
> mctrl_gpio helpers
> git bisect bad 4ef03d328769eddbfeca1f1c958fdb181a69c341
> # first bad commit: [4ef03d328769eddbfeca1f1c958fdb181a69c341]
> tty/serial/8250: use mctrl_gpio helpers
>
> I haven't time to investigate, so, I will use revert for now.
So only input is not working? Are you using hw handshake?
Could you provide your .config?
Thanks.
Yegor
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