From: Bartosz Golaszewski <brgl@bgdev.pl> To: Sekhar Nori <nsekhar@ti.com>, Kevin Hilman <khilman@kernel.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Russell King <linux@armlinux.org.uk>, David Lechner <david@lechnology.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Ohad Ben-Cohen <ohad@wizery.com>, Bjorn Andersson <bjorn.andersson@linaro.org>, Philipp Zabel <p.zabel@pengutronix.de> Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-remoteproc@vger.kernel.org, Bartosz Golaszewski <bgolaszewski@baylibre.com> Subject: [PATCH 5/8] remoteproc: da8xx: add the missing checke for clk_enable() Date: Wed, 21 Mar 2018 13:08:04 +0100 [thread overview] Message-ID: <20180321120807.18032-6-brgl@bgdev.pl> (raw) In-Reply-To: <20180321120807.18032-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bgolaszewski@baylibre.com> The davinci platform is being switched to using the common clock framework, where clk_enable() can fail. Add the return value check. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- drivers/remoteproc/da8xx_remoteproc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c index bf3b9034c319..592bf0fc52e8 100644 --- a/drivers/remoteproc/da8xx_remoteproc.c +++ b/drivers/remoteproc/da8xx_remoteproc.c @@ -138,6 +138,7 @@ static int da8xx_rproc_start(struct rproc *rproc) struct device *dev = rproc->dev.parent; struct da8xx_rproc *drproc = (struct da8xx_rproc *)rproc->priv; struct clk *dsp_clk = drproc->dsp_clk; + int rv; /* hw requires the start (boot) address be on 1KB boundary */ if (rproc->bootaddr & 0x3ff) { @@ -148,7 +149,12 @@ static int da8xx_rproc_start(struct rproc *rproc) writel(rproc->bootaddr, drproc->bootreg); - clk_enable(dsp_clk); + rv = clk_enable(dsp_clk); + if (rv) { + dev_err(dev, "clk_enable() failed: %d\n", rv); + return rv; + } + davinci_clk_reset_deassert(dsp_clk); return 0; -- 2.16.1
WARNING: multiple messages have this Message-ID (diff)
From: brgl@bgdev.pl (Bartosz Golaszewski) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/8] remoteproc: da8xx: add the missing checke for clk_enable() Date: Wed, 21 Mar 2018 13:08:04 +0100 [thread overview] Message-ID: <20180321120807.18032-6-brgl@bgdev.pl> (raw) In-Reply-To: <20180321120807.18032-1-brgl@bgdev.pl> From: Bartosz Golaszewski <bgolaszewski@baylibre.com> The davinci platform is being switched to using the common clock framework, where clk_enable() can fail. Add the return value check. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> --- drivers/remoteproc/da8xx_remoteproc.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c index bf3b9034c319..592bf0fc52e8 100644 --- a/drivers/remoteproc/da8xx_remoteproc.c +++ b/drivers/remoteproc/da8xx_remoteproc.c @@ -138,6 +138,7 @@ static int da8xx_rproc_start(struct rproc *rproc) struct device *dev = rproc->dev.parent; struct da8xx_rproc *drproc = (struct da8xx_rproc *)rproc->priv; struct clk *dsp_clk = drproc->dsp_clk; + int rv; /* hw requires the start (boot) address be on 1KB boundary */ if (rproc->bootaddr & 0x3ff) { @@ -148,7 +149,12 @@ static int da8xx_rproc_start(struct rproc *rproc) writel(rproc->bootaddr, drproc->bootreg); - clk_enable(dsp_clk); + rv = clk_enable(dsp_clk); + if (rv) { + dev_err(dev, "clk_enable() failed: %d\n", rv); + return rv; + } + davinci_clk_reset_deassert(dsp_clk); return 0; -- 2.16.1
next prev parent reply other threads:[~2018-03-21 12:08 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-03-21 12:07 [PATCH 0/8] ARM: davinci: complete the conversion to using the reset framework Bartosz Golaszewski 2018-03-21 12:07 ` Bartosz Golaszewski 2018-03-21 12:08 ` [PATCH 1/8] reset: modify the way reset lookup works for board files Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 12:08 ` [PATCH 2/8] ARM: davinci: dts: make psc0 a reset provider Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 12:08 ` [PATCH 3/8] ARM: davinci: dts: add a reset control to the dsp node Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 14:04 ` Bartosz Golaszewski 2018-03-21 14:04 ` Bartosz Golaszewski 2018-03-21 16:07 ` David Lechner 2018-03-21 16:07 ` David Lechner 2018-03-21 12:08 ` [PATCH 4/8] clk: davinci: add a reset lookup table for psc0 Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 16:01 ` David Lechner 2018-03-21 16:01 ` David Lechner 2018-03-21 16:08 ` Bartosz Golaszewski 2018-03-21 16:08 ` Bartosz Golaszewski 2018-03-21 16:17 ` David Lechner 2018-03-21 16:17 ` David Lechner 2018-03-23 9:07 ` Bartosz Golaszewski 2018-03-23 9:07 ` Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski [this message] 2018-03-21 12:08 ` [PATCH 5/8] remoteproc: da8xx: add the missing checke for clk_enable() Bartosz Golaszewski 2018-03-21 16:21 ` David Lechner 2018-03-21 16:21 ` David Lechner 2018-03-21 12:08 ` [PATCH 6/8] remoteproc: da8xx: prepare and unprepare the clock where needed Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 12:08 ` [PATCH 7/8] remoteproc: da8xx: use the reset framework Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 12:08 ` [PATCH 8/8] clk: davinci: kill davinci_clk_reset_assert/deassert() Bartosz Golaszewski 2018-03-21 12:08 ` Bartosz Golaszewski 2018-03-21 16:23 ` David Lechner 2018-03-21 16:23 ` David Lechner
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