linux-kernel - [PATCH] power: avs: smartreflex: Remove unused function

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Date:	Sat,  3 Jan 2015 16:58:50 +0100
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Kevin Hilman <khilman@...nel.org>, Nishanth Menon <nm@...com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] power: avs: smartreflex:  Remove unused function

Remove the function sr_configure_minmax() that is not used anywhere.

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/power/avs/smartreflex.c   |   86 -------------------------------------
 include/linux/power/smartreflex.h |    1 -
 2 files changed, 87 deletions(-)

diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c
index db9973b..62b8351 100644
--- a/drivers/power/avs/smartreflex.c
+++ b/drivers/power/avs/smartreflex.c
@@ -460,92 +460,6 @@ int sr_disable_errgen(struct omap_sr *sr)
 }
 
 /**
- * sr_configure_minmax() - Configures the SmartReflex to perform AVS using the
- *			 minmaxavg module.
- * @sr:			SR module to be configured.
- *
- * This API is to be called from the smartreflex class driver to
- * configure the minmaxavg module inside the smartreflex module.
- * SR settings if using the ERROR module inside Smartreflex.
- * SR CLASS 3 by default uses only the ERROR module where as
- * SR CLASS 2 can choose between ERROR module and MINMAXAVG
- * module. Returns 0 on success and error value in case of failure.
- */
-int sr_configure_minmax(struct omap_sr *sr)
-{
-	u32 sr_config, sr_avgwt;
-	u32 senp_en = 0, senn_en = 0;
-	u8 senp_shift, senn_shift;
-
-	if (!sr) {
-		pr_warn("%s: NULL omap_sr from %pF\n", __func__,
-			(void *)_RET_IP_);
-		return -EINVAL;
-	}
-
-	if (!sr->clk_length)
-		sr_set_clk_length(sr);
-
-	senp_en = sr->senp_mod;
-	senn_en = sr->senn_mod;
-
-	sr_config = (sr->clk_length << SRCONFIG_SRCLKLENGTH_SHIFT) |
-		SRCONFIG_SENENABLE |
-		(sr->accum_data << SRCONFIG_ACCUMDATA_SHIFT);
-
-	switch (sr->ip_type) {
-	case SR_TYPE_V1:
-		sr_config |= SRCONFIG_DELAYCTRL;
-		senn_shift = SRCONFIG_SENNENABLE_V1_SHIFT;
-		senp_shift = SRCONFIG_SENPENABLE_V1_SHIFT;
-		break;
-	case SR_TYPE_V2:
-		senn_shift = SRCONFIG_SENNENABLE_V2_SHIFT;
-		senp_shift = SRCONFIG_SENPENABLE_V2_SHIFT;
-		break;
-	default:
-		dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-			"module without specifying the ip\n", __func__);
-		return -EINVAL;
-	}
-
-	sr_config |= ((senn_en << senn_shift) | (senp_en << senp_shift));
-	sr_write_reg(sr, SRCONFIG, sr_config);
-	sr_avgwt = (sr->senp_avgweight << AVGWEIGHT_SENPAVGWEIGHT_SHIFT) |
-		(sr->senn_avgweight << AVGWEIGHT_SENNAVGWEIGHT_SHIFT);
-	sr_write_reg(sr, AVGWEIGHT, sr_avgwt);
-
-	/*
-	 * Enabling the interrupts if MINMAXAVG module is used.
-	 * TODO: check if all the interrupts are mandatory
-	 */
-	switch (sr->ip_type) {
-	case SR_TYPE_V1:
-		sr_modify_reg(sr, ERRCONFIG_V1,
-			(ERRCONFIG_MCUACCUMINTEN | ERRCONFIG_MCUVALIDINTEN |
-			ERRCONFIG_MCUBOUNDINTEN),
-			(ERRCONFIG_MCUACCUMINTEN | ERRCONFIG_MCUACCUMINTST |
-			 ERRCONFIG_MCUVALIDINTEN | ERRCONFIG_MCUVALIDINTST |
-			 ERRCONFIG_MCUBOUNDINTEN | ERRCONFIG_MCUBOUNDINTST));
-		break;
-	case SR_TYPE_V2:
-		sr_write_reg(sr, IRQSTATUS,
-			IRQSTATUS_MCUACCUMINT | IRQSTATUS_MCVALIDINT |
-			IRQSTATUS_MCBOUNDSINT | IRQSTATUS_MCUDISABLEACKINT);
-		sr_write_reg(sr, IRQENABLE_SET,
-			IRQENABLE_MCUACCUMINT | IRQENABLE_MCUVALIDINT |
-			IRQENABLE_MCUBOUNDSINT | IRQENABLE_MCUDISABLEACKINT);
-		break;
-	default:
-		dev_err(&sr->pdev->dev, "%s: Trying to Configure smartreflex"
-			"module without specifying the ip\n", __func__);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/**
  * sr_enable() - Enables the smartreflex module.
  * @sr:		pointer to which the SR module to be configured belongs to.
  * @volt:	The voltage at which the Voltage domain associated with
diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h
index d8b187c3..ffd31af 100644
--- a/include/linux/power/smartreflex.h
+++ b/include/linux/power/smartreflex.h
@@ -303,7 +303,6 @@ int sr_enable(struct omap_sr *sr, unsigned long volt);
 void sr_disable(struct omap_sr *sr);
 int sr_configure_errgen(struct omap_sr *sr);
 int sr_disable_errgen(struct omap_sr *sr);
-int sr_configure_minmax(struct omap_sr *sr);
 
 /* API to register the smartreflex class driver with the smartreflex driver */
 int sr_register_class(struct omap_sr_class_data *class_data);
-- 
1.7.10.4

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