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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 1/5] serial: Introduce ->getinfo() callback
Date: Tue, 20 Nov 2018 20:32:06 +0200	[thread overview]
Message-ID: <20181120183206.GE10650@smile.fi.intel.com> (raw)
In-Reply-To: <CAPnjgZ15iujg9h2wVaDVKhd0KnTffMUCJPDiBVfLk49COy+8Tw@mail.gmail.com>

On Thu, Nov 15, 2018 at 11:45:32AM -0800, Simon Glass wrote:
> On 15 November 2018 at 09:58, Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:

> > +/* REVISIT: ACPI GAS specification implied */
> > +struct serial_device_info {
> > +       unsigned int baudrate;
> > +       u8      addr_space;     /* 0 - MMIO, 1 - IO */
> 
> Please make this an enum

OK.

> 
> > +       u8      reg_width;
> > +       u8      reg_offset;
> > +       u8      reg_shift;
> > +       u64     addr;
> 
> ulong

This, unfortunately, will not work. ACPI takes the address as 32-bit halves,
and shift to 32 on 32-bit platform is UB.

> Needs a struct comment as I don't know what most of these do.

OK.

> What about parity, number of bits, etc?

As discussed before, it will be filled thru getconfig().
Though, I would add necessary members explicitly.

-- 
With Best Regards,
Andy Shevchenko

  parent reply	other threads:[~2018-11-20 18:32 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15 17:58 [U-Boot] [PATCH v2 0/5] ACPI: Generate SPCR table Andy Shevchenko
2018-11-15 17:58 ` [U-Boot] [PATCH v2 1/5] serial: Introduce ->getinfo() callback Andy Shevchenko
2018-11-15 18:22   ` Alexander Graf
2018-11-15 19:31     ` Andy Shevchenko
2018-11-15 20:09       ` Alexander Graf
2018-11-20 18:27         ` Andy Shevchenko
2018-11-15 19:45   ` Simon Glass
2018-11-15 19:51     ` Andy Shevchenko
2018-11-15 20:22       ` Simon Glass
2018-11-20 17:39         ` Andy Shevchenko
2018-11-20 18:32     ` Andy Shevchenko [this message]
2018-11-20 22:04       ` Alexander Graf
2018-11-20 22:16         ` Andy Shevchenko
2018-11-15 17:58 ` [U-Boot] [PATCH v2 2/5] serial: ns16550: Read reg-io-width from device tree Andy Shevchenko
2018-11-15 18:28   ` Alexander Graf
2018-11-15 19:33     ` Andy Shevchenko
2018-11-15 20:12       ` Alexander Graf
2018-11-15 19:45   ` Simon Glass
2018-11-15 19:53     ` Andy Shevchenko
2018-11-15 17:58 ` [U-Boot] [PATCH v2 3/5] serial: ns16550: Provide ->getinfo() implementation Andy Shevchenko
2018-11-15 18:30   ` Alexander Graf
2018-11-15 19:37     ` Andy Shevchenko
2018-11-15 19:45       ` Simon Glass
2018-11-15 17:58 ` [U-Boot] [PATCH v2 4/5] x86: acpi: Add SPCR table description Andy Shevchenko
2018-11-18 12:37   ` Bin Meng
2018-11-15 17:58 ` [U-Boot] [PATCH v2 5/5] x86: acpi: Generate SPCR table Andy Shevchenko
2018-11-15 18:27   ` Alexander Graf
2018-11-15 19:43     ` Andy Shevchenko
2018-11-15 20:19       ` Alexander Graf
2018-11-20 21:06         ` Andy Shevchenko
2018-11-18 12:37   ` Bin Meng
2018-11-20 20:47     ` Andy Shevchenko

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