linux-kernel - Re: [PATCH v2 02/21] spi: dw: Add DWC SSI capability

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Date:   Fri, 2 Oct 2020 00:55:32 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Mark Brown <broonie@...nel.org>
CC:     Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        "wuxu . wu" <wuxu.wu@...wei.com>, Feng Tang <feng.tang@...el.com>,
        Rob Herring <robh+dt@...nel.org>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 02/21] spi: dw: Add DWC SSI capability

On Thu, Oct 01, 2020 at 10:51:05PM +0100, Mark Brown wrote:
> On Wed, Sep 30, 2020 at 09:55:26PM +0300, Serge Semin wrote:
> > Currently DWC SSI core is supported by means of setting up the
> > core-specific update_cr0() callback. It isn't suitable for multiple
> > reasons. First of all having exported several methods doing the same thing
> > but for different chips makes the code harder to maintain. Secondly the
> > spi-dw-core driver exports the methods, then the spi-dw-mmio driver sets
> 

> This doesn't build with current code in an x86 defconfig, please check
> and resend (looks like you forgot to update dw-pci):
> 
> mnt/kernel/drivers/spi/spi-dw-pci.c: In function 'spi_mid_init':
> /mnt/kernel/drivers/spi/spi-dw-pci.c:52:5: error: 'struct dw_spi' has no member named 'update_cr0'
>   dws->update_cr0 = dw_spi_update_cr0;
>      ^~
> /mnt/kernel/drivers/spi/spi-dw-pci.c:52:20: error: 'dw_spi_update_cr0' undeclared (first use in this function); did you mean 'dw_spi_set_cs'?
>   dws->update_cr0 = dw_spi_update_cr0;
>                     ^~~~~~~~~~~~~~~~~
>                     dw_spi_set_cs
> /mnt/kernel/drivers/spi/spi-dw-pci.c:52:20: note: each undeclared identifier is reported only once for each function it appears in
> /mnt/kernel/drivers/spi/spi-dw-pci.c: In function 'spi_generic_init':
> /mnt/kernel/drivers/spi/spi-dw-pci.c:62:5: error: 'struct dw_spi' has no member named 'update_cr0'
>   dws->update_cr0 = dw_spi_update_cr0;
>      ^~
> /mnt/kernel/drivers/spi/spi-dw-pci.c:62:20: error: 'dw_spi_update_cr0' undeclared (first use in this function); did you mean 'dw_spi_set_cs'?
>   dws->update_cr0 = dw_spi_update_cr0;
>                     ^~~~~~~~~~~~~~~~~
>                     dw_spi_set_cs
> make[3]: *** [/mnt/kernel/scripts/Makefile.build:283: drivers/spi/spi-dw-pci.o] Error 1
> make[2]: *** [/mnt/kernel/scripts/Makefile.build:500: drivers/spi] Error 2
> make[2]: *** Waiting for unfinished jobs....
> make[1]: *** [/mnt/kernel/Makefile:1788: drivers] Error 2
> make[1]: *** Waiting for unfinished jobs....
> make: *** [Makefile:185: __sub-make] Error 2

Oh, thanks for noticing this. I'll fix it straight away and resend. Sorry for
the inconvenience.

-Sergey