From: Andi Shyti <andi.shyti@samsung.com>
To: 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>
Cc: 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.shyti@samsung.com>,
Andi Shyti <andi@etezian.org>
Subject: [PATCH v3 6/7] spi: s3c64xx: restore removed comments
Date: Tue, 12 Jul 2016 19:02:15 +0900 [thread overview]
Message-ID: <1468317736-18841-7-git-send-email-andi.shyti@samsung.com> (raw)
In-Reply-To: <1468317736-18841-1-git-send-email-andi.shyti@samsung.com>
Patch a9e93e8 has erroneously removed some comments which are
important to understand why the bus frequency is multiplied by
two during the spi transfer.
Reword the previous comment to a more appropriate message.
Suggested-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Michael Turquette <mturquette@baylibre.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..5bedafc 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) {
+ /* The src_clk clock is divided internally by 2 */
clk_set_rate(sdd->src_clk, sdd->cur_speed * 2);
} else {
/* Configure Clock */
--
2.8.1
next prev parent reply other threads:[~2016-07-12 10:02 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 10:02 [PATCH v3 0/7] spi s3c64xx ioclk handling Andi Shyti
2016-07-12 10:02 ` [PATCH v3 1/7] bindings: spi-samsung: add exynos5433 spi compatible Andi Shyti
2016-07-14 16:25 ` Mark Brown
2016-07-16 20:26 ` Rob Herring
2016-07-12 10:02 ` [PATCH v3 2/7] bindings: spi-samsung: document the clocks and the clock-name property Andi Shyti
2016-07-16 20:30 ` Rob Herring
2016-07-18 10:30 ` Sylwester Nawrocki
2016-07-12 10:02 ` [PATCH v3 3/7] spi: s3c64xx: rename goto labels to meaningful names Andi Shyti
2016-07-12 10:02 ` [PATCH v3 4/7] spi: s3c64xx: use error code from clk_prepare_enable() Andi Shyti
2016-07-12 10:02 ` [PATCH v3 5/7] spi: s3c64xx: add Exynos5433 compatible for ioclk handling Andi Shyti
2016-07-12 10:02 ` Andi Shyti [this message]
2016-07-12 10:02 ` [PATCH v3 7/7] clk: exynos5433: remove CLK_IGNORE_UNUSED flag from SPI clocks Andi Shyti
2016-07-12 22:17 ` Michael Turquette
2016-07-13 2:08 ` Andi Shyti
2016-07-13 9:21 ` Sylwester Nawrocki
2016-07-13 9:54 ` Krzysztof Kozlowski
2016-07-13 12:44 ` Andi Shyti
2016-07-13 21:56 ` Michael Turquette
-- strict thread matches above, loose matches on Subject: below --
2016-07-11 10:33 [PATCH v2 6/7] spi: s3c64xx: restore removed comments 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
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