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Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART

From Bryan O'Donoghue <pure.logic@nexus-software.ie>
Newsgroups linux.kernel
Subject Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART
Date 2016-04-11 17:40 +0200
Message-ID <rmM6w-87k-69@gated-at.bofh.it> (permalink)
References <rloSC-YH-5@gated-at.bofh.it> <rloSD-YH-27@gated-at.bofh.it>
Organization Nexus Software

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On Thu, 2016-04-07 at 23:37 +0300, Andy Shevchenko wrote:

Preface. I tried this on Galileo and it appears to work. I'll do some
throughput testing to verify but, initially the results are positive :)


> +       lpss->dma_maxburst = 8;

Are these dwords ? If those are bytes then the maxburst value looks
small. In the BSP the max burst is 32 bytes.

---
bod

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[PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-07 22:40 +0200
  Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-04-11 17:40 +0200
    Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-04-11 18:00 +0200
      Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-04-11 18:10 +0200
      Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-04-12 18:30 +0200
        Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-12 18:50 +0200
          Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-04-13 13:30 +0200
            Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-13 14:10 +0200
              Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-04-13 16:40 +0200
                Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-04-13 16:50 +0200
                Re: [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark  UART Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-04-13 17:30 +0200

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