linux-kernel - Re: [PATCH 4.19 182/267] spi: dw: Return any value retrieved from the dma

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Message-ID: <20200630013635.GA27038@maple.netwinder.org>
Date:   Mon, 29 Jun 2020 21:36:35 -0400
From:   Ralph Siemsen <ralph.siemsen@...aro.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Pavel Machek <pavel@...x.de>,
        Serge Semin <fancer.lancer@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Arnd Bergmann <arnd@...db.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Feng Tang <feng.tang@...el.com>,
        Rob Herring <robh+dt@...nel.org>, linux-mips@...r.kernel.org,
        devicetree@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH 4.19 182/267] spi: dw: Return any value retrieved from
 the dma_transfer callback

On Mon, Jun 29, 2020 at 10:26:06AM -0400, Sasha Levin wrote:
>>diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
>>index c563c2815093..99641c485288 100644
>>--- a/drivers/spi/spi-dw-mmio.c
>>+++ b/drivers/spi/spi-dw-mmio.c
>>@@ -358,7 +358,7 @@ static int mmio_spi_dma_transfer(struct dw_spi *dws, struct spi_transfer *xfer)
>
>Um, I can't find this function anywhere... what am I missing?

Nothing... my bad. The code in question was added on a vendor branch
(https://github.com/renesas-rz/rzn1_linux/blob/rzn1-stable-v4.19/drivers/spi/spi-dw-mmio.c#L338
if you are curious).

I'm very sorry for wasting your time... please disregard the patch!

-Ralph