From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
To: Andi Shyti <andi.shyti@samsung.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Mark Brown <broonie@kernel.org>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Tomasz Figa <tomasz.figa@gmail.com>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>,
Chanwoo Choi <cw00.choi@samsung.com>,
Jaehoon Chung <jh80.chung@samsung.com>,
linux-clk@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-spi@vger.kernel.org,
Andi Shyti <andi@etezian.org>
Subject: Re: [PATCH v2 6/7] spi: s3c64xx: restore removed comments
Date: Fri, 8 Jul 2016 22:35:28 +0200 [thread overview]
Message-ID: <20160708203528.GA26626@kozik-lap> (raw)
In-Reply-To: <1467989201-14661-7-git-send-email-andi.shyti@samsung.com>
On Fri, Jul 08, 2016 at 11:46:40PM +0900, Andi Shyti wrote:
> Patch a9e93e8 has erroneously removed some comments which are
> important to understand why the bus frequency is multiplied by
> two during the spi transfer.
>
> Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
> ---
> drivers/spi/spi-s3c64xx.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
> index 6da663f..32b66f0 100644
> --- a/drivers/spi/spi-s3c64xx.c
> +++ b/drivers/spi/spi-s3c64xx.c
> @@ -639,6 +639,7 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd)
> writel(val, regs + S3C64XX_SPI_MODE_CFG);
>
> if (sdd->port_conf->clk_from_cmu) {
> + /* There is half-multiplier before the SPI */
> clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
> } else {
> /* Configure Clock */
Regardless of possible followup after Michael's comments:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Best regards,
Krzysztof
next prev parent reply other threads:[~2016-07-08 20:35 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-08 14:46 [PATCH v2 0/7] spi s3c64xx ioclk handling Andi Shyti
2016-07-08 14:46 ` [PATCH v2 1/7] bindings: spi-samsung: add exynos5433 spi compatible Andi Shyti
2016-07-08 20:23 ` Krzysztof Kozlowski
2016-07-11 10:49 ` Sylwester Nawrocki
2016-07-14 16:33 ` Applied "spi: s3c64xx: add exynos5433 spi compatible" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 2/7] bindings: spi-samsung: document the clocks and the clock-name property Andi Shyti
2016-07-08 20:32 ` Krzysztof Kozlowski
2016-07-11 2:36 ` [PATCH v3] " Andi Shyti
2016-07-14 16:32 ` Applied "spi: s3c64xx: document the clocks and the clock-name property" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 3/7] spi: s3c64xx: rename goto labels to meaningful names Andi Shyti
2016-07-14 16:32 ` Applied "spi: s3c64xx: rename goto labels to meaningful names" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 4/7] spi: s3c64xx: use error code from clk_prepare_enable() Andi Shyti
2016-07-08 20:33 ` Krzysztof Kozlowski
2016-07-14 16:32 ` Applied "spi: s3c64xx: use error code from clk_prepare_enable()" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 5/7] spi: s3c64xx: add exynos5433 compatible for ioclk handling Andi Shyti
2016-07-08 16:13 ` Michael Turquette
2016-07-08 16:31 ` Andi Shyti
2016-07-08 20:39 ` Krzysztof Kozlowski
2016-07-14 16:32 ` Applied "spi: s3c64xx: add Exynos5433 compatible for ioclk handling" to the spi tree Mark Brown
2016-07-08 14:46 ` [PATCH v2 6/7] spi: s3c64xx: restore removed comments Andi Shyti
2016-07-08 16:17 ` Michael Turquette
2016-07-08 16:35 ` Andi Shyti
2016-07-11 10:33 ` Sylwester Nawrocki
2016-07-11 22:17 ` Michael Turquette
2016-07-12 12:16 ` Sylwester Nawrocki
2016-07-12 6:54 ` [PATCH v3 " Andi Shyti
2016-07-12 8:22 ` Mark Brown
2016-07-12 8:25 ` Andi Shyti
2016-07-12 9:00 ` Mark Brown
2016-07-12 18:07 ` Michael Turquette
2016-07-14 16:32 ` Applied "spi: s3c64xx: restore removed comments" to the spi tree Mark Brown
2016-07-08 20:35 ` Krzysztof Kozlowski [this message]
2016-07-08 14:46 ` [PATCH v2 7/7] clk: exynos5433: remove CLK_IGNORE_UNUSED flag from SPI clocks Andi Shyti
2016-07-11 10:58 ` Sylwester Nawrocki
2016-07-08 16:21 ` [PATCH v2 0/7] spi s3c64xx ioclk handling Michael Turquette
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