From: Mark Brown <broonie@kernel.org>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
Geert Uytterhoeven <geert+renesas@linux-m68k.org>
Subject: Re: [PATCH/RFC] spi: core: Fix logic mismatch in spi_master.set_cs()
Date: Tue, 14 Jan 2014 12:52:42 +0000 [thread overview]
Message-ID: <20140114125242.GE15567@sirena.org.uk> (raw)
In-Reply-To: <1389699411-29135-1-git-send-email-geert@linux-m68k.org>
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On Tue, Jan 14, 2014 at 12:36:51PM +0100, Geert Uytterhoeven wrote:
> {
> - if (spi->mode & SPI_CS_HIGH)
> - enable = !enable;
> -
> - if (spi->cs_gpio >= 0)
> + if (spi->cs_gpio >= 0) {
> + if (spi->mode & SPI_CS_HIGH)
> + enable = !enable;
> gpio_set_value(spi->cs_gpio, !enable);
> - else if (spi->master->set_cs)
> - spi->master->set_cs(spi, !enable);
> + } else if (spi->master->set_cs)
> + spi->master->set_cs(spi, enable);
> }
Coding style, braces on all branches of an if statement.
This also pushes the handling of CS_HIGH back out into the driver which
doesn't seem like it's helping anything. Flipping the sense of enable
when calling set_cs() is probably OK though.
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next prev parent reply other threads:[~2014-01-14 12:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-14 11:36 Geert Uytterhoeven
2014-01-14 12:52 ` Mark Brown [this message]
2014-01-14 13:23 ` Geert Uytterhoeven
2014-01-14 13:45 ` Mark Brown
2014-01-14 14:44 ` Geert Uytterhoeven
2014-01-14 14:50 ` Mark Brown
2014-01-14 15:18 ` Geert Uytterhoeven
2014-01-17 18:03 ` Mark Brown
2014-01-17 19:04 ` Geert Uytterhoeven
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