[PATCH] Revert "serial: amba-pl011: fix incorrect integer size in pl011_fifo_to_tty()"

[Huang Shijie]

The 10/23/2015 11:31, Dave Martin wrote:
> On Fri, Oct 23, 2015 at 06:00:00PM +0800, Huang Shijie wrote:
> > The commit 71a5cd8a4 makes the console hang for some times.
> > This reverts commit 71a5cd8a4a2602a6e9010b557a23af0a54df87b6.
>
> What hangs?  Input?  Output?  Both?
>
> Is CREAD set on the terminal?  If only input hangs, it's possible CREAD
> is not set and we were previously getting away with it, though I can't
> easily see why it should be unset...
I think the hang is not caused by this patch: 71a5cd8a4a2602a6e9.

I tried to bisect the linux-next today, but i still cannot find the root cause,
the following is the log from bisect:

 =============================================
git bisect start
# bad: [6dcf94ff0c9e28e5790799e53641dd256745f425] Add linux-next specific files for 20151022
git bisect bad 6dcf94ff0c9e28e5790799e53641dd256745f425
# good: [7379047d5585187d1288486d4627873170d0005a] Linux 4.3-rc6
git bisect good 7379047d5585187d1288486d4627873170d0005a
# good: [c3d1cd2b1e542e5ba6a844fd40fa5e62a896cfc2] Merge remote-tracking branch 'block/for-next'
git bisect good c3d1cd2b1e542e5ba6a844fd40fa5e62a896cfc2
# good: [c3af8a28f43315fc46753465a4e77e5619dd9f30] staging: IB/hfi1: use TASK_COMM_LEN in hfi1_ctxtdata
git bisect good c3af8a28f43315fc46753465a4e77e5619dd9f30
# good: [41783383487fc80d2acdd78fb9133d441371510b] Merge remote-tracking branch 'driver-core/driver-core-next'
git bisect good 41783383487fc80d2acdd78fb9133d441371510b
# good: [1709035022efcdcf316010592537de2033335e4e] Merge remote-tracking branch 'target-merge/for-next-merge'
git bisect good 1709035022efcdcf316010592537de2033335e4e
# good: [641e7642617127da14e683da8ec690d8404ea83f] rbtree-clarify-documentation-of-rbtree_postorder_for_each_entry_safe-fix
git bisect good 641e7642617127da14e683da8ec690d8404ea83f
# bad: [a1a15239a59287d6d56cf43e84d3cc878bca828f] Merge remote-tracking branch 'clk/clk-next'
git bisect bad a1a15239a59287d6d56cf43e84d3cc878bca828f
# bad: [87fd47bb754496a1ba005fca022eee1b30b3cee9] Merge remote-tracking branch 'pwm/for-next'
git bisect bad 87fd47bb754496a1ba005fca022eee1b30b3cee9
# good: [ec879f1272283c040bc70e1a1fff5edbb547be59] pinctrl: baytrail: Fix compilation warnings when !CONFIG_PM
git bisect good ec879f1272283c040bc70e1a1fff5edbb547be59
# good: [f32517bf1ae0a2de72b3f27200233bd3ad65bfeb] gpio: pca953x: support ACPI devices found on Galileo Gen2
git bisect good f32517bf1ae0a2de72b3f27200233bd3ad65bfeb
# good: [677b2ff4afd9996eabefc9472c701211b4b49e87] gpio: add a real time compliance checklist
git bisect good 677b2ff4afd9996eabefc9472c701211b4b49e87
# good: [2b8b0ef354cc055f855d8cb86aeae9089517fba7] pwm: atmel-hlcdc: add sama5d2 SoC support.
git bisect good 2b8b0ef354cc055f855d8cb86aeae9089517fba7
# bad: [8706693e4ee14eb6051be8caa9850312d843b88f] Merge remote-tracking branch 'gpio/for-next'
git bisect bad 8706693e4ee14eb6051be8caa9850312d843b88f
# good: [d629f2b585cb766ed9732008976d029cb5d5e584] virtio: introduce avail cache
git bisect good d629f2b585cb766ed9732008976d029cb5d5e584
# bad: [fb4e51e2df938f7f7e3ec3c198beb2d449e2f548] Merge remote-tracking branch 'vhost/linux-next'
git bisect bad fb4e51e2df938f7f7e3ec3c198beb2d449e2f548
# good: [cd5c6b35041cc595ff722226fb80450b9368dbbc] Merge remote-tracking branch 'pinctrl/for-next'
git bisect good cd5c6b35041cc595ff722226fb80450b9368dbbc
# first bad commit: [fb4e51e2df938f7f7e3ec3c198beb2d449e2f548] Merge remote-tracking branch 'vhost/linux-next'

 =============================================
 thanks
 Huang Shijie



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