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Groups > linux.kernel > #1503726 > unrolled thread
| Started by | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| First post | 2016-10-19 16:40 +0200 |
| Last post | 2016-10-19 17:20 +0200 |
| Articles | 2 — 1 participant |
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Re: drivers/tty/serial/max310x doesn't support latest UART revision of MAX14830 Greg KH <gregkh@linuxfoundation.org> - 2016-10-19 16:40 +0200
Re: drivers/tty/serial/max310x doesn't support latest UART revision of MAX14830 Greg KH <gregkh@linuxfoundation.org> - 2016-10-19 17:20 +0200
| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2016-10-19 16:40 +0200 |
| Subject | Re: drivers/tty/serial/max310x doesn't support latest UART revision of MAX14830 |
| Message-ID | <su0cb-2v4-101@gated-at.bofh.it> |
On Wed, Oct 19, 2016 at 10:25:41AM +0200, Roberto Sara wrote: > Kernel 4.4.22 That's pretty old and obsolete, can you try 4.8? > MAX310x_REV_MASK has a value of 0xfc which only allows for UART revisions of > 0xb0 to 0xb3. > > The latest MAX14830 UARTS have revision number 0xb4. The data sheet only > states that revisions start at 0xb0. > > I suggest a change of MAX310x_REV_MASK to 0xf8, which will allow revisions up > to 0xb7 Great, can you send a patch that you have tested to work properly? thanks, greg k-h
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| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Date | 2016-10-19 17:20 +0200 |
| Message-ID | <su0OS-308-41@gated-at.bofh.it> |
| In reply to | #1503726 |
On Wed, Oct 19, 2016 at 10:53:24AM +0200, Roberto Sara wrote: > Sorry, 4.4 is the latest I can get for this embedded system. > A quick check online shows that 4.8.2 has the same value and detection routine. Great, can you send a patch please? greg k-h
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