From: Sascha Hauer <s.hauer@pengutronix.de>
To: linux-pm@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Heiko Stuebner <heiko@sntech.de>,
Kyungmin Park <kyungmin.park@samsung.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
kernel@pengutronix.de,
Michael Riesch <michael.riesch@wolfvision.net>,
Sascha Hauer <s.hauer@pengutronix.de>
Subject: [PATCH v3 02/19] PM / devfreq: rockchip-dfi: use consistent name for private data struct
Date: Thu, 16 Feb 2023 11:36:07 +0100 [thread overview]
Message-ID: <20230216103624.591901-3-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20230216103624.591901-1-s.hauer@pengutronix.de>
The variable name for the private data struct is 'info' in some
functions and 'data' in others. Both names do not give a clue what
type the variable has, so consistently use 'dfi'.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/devfreq/event/rockchip-dfi.c | 72 ++++++++++++++--------------
1 file changed, 36 insertions(+), 36 deletions(-)
diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 570f1b36c3153..98712ac68aa5f 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c
@@ -59,13 +59,13 @@ struct rockchip_dfi {
static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
- void __iomem *dfi_regs = info->regs;
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
+ void __iomem *dfi_regs = dfi->regs;
u32 val;
u32 ddr_type;
/* get ddr type */
- regmap_read(info->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val);
+ regmap_read(dfi->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val);
ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) &
RK3399_PMUGRF_DDRTYPE_MASK;
@@ -84,28 +84,28 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
static void rockchip_dfi_stop_hardware_counter(struct devfreq_event_dev *edev)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
- void __iomem *dfi_regs = info->regs;
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
+ void __iomem *dfi_regs = dfi->regs;
writel_relaxed(SOFTWARE_DIS, dfi_regs + DDRMON_CTRL);
}
static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
u32 tmp, max = 0;
u32 i, busier_ch = 0;
- void __iomem *dfi_regs = info->regs;
+ void __iomem *dfi_regs = dfi->regs;
rockchip_dfi_stop_hardware_counter(edev);
/* Find out which channel is busier */
for (i = 0; i < RK3399_DMC_NUM_CH; i++) {
- info->ch_usage[i].access = readl_relaxed(dfi_regs +
+ dfi->ch_usage[i].access = readl_relaxed(dfi_regs +
DDRMON_CH0_DFI_ACCESS_NUM + i * 20) * 4;
- info->ch_usage[i].total = readl_relaxed(dfi_regs +
+ dfi->ch_usage[i].total = readl_relaxed(dfi_regs +
DDRMON_CH0_COUNT_NUM + i * 20);
- tmp = info->ch_usage[i].access;
+ tmp = dfi->ch_usage[i].access;
if (tmp > max) {
busier_ch = i;
max = tmp;
@@ -118,20 +118,20 @@ static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev)
static int rockchip_dfi_disable(struct devfreq_event_dev *edev)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
rockchip_dfi_stop_hardware_counter(edev);
- clk_disable_unprepare(info->clk);
+ clk_disable_unprepare(dfi->clk);
return 0;
}
static int rockchip_dfi_enable(struct devfreq_event_dev *edev)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
int ret;
- ret = clk_prepare_enable(info->clk);
+ ret = clk_prepare_enable(dfi->clk);
if (ret) {
dev_err(&edev->dev, "failed to enable dfi clk: %d\n", ret);
return ret;
@@ -149,13 +149,13 @@ static int rockchip_dfi_set_event(struct devfreq_event_dev *edev)
static int rockchip_dfi_get_event(struct devfreq_event_dev *edev,
struct devfreq_event_data *edata)
{
- struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ struct rockchip_dfi *dfi = devfreq_event_get_drvdata(edev);
int busier_ch;
busier_ch = rockchip_dfi_get_busier_ch(edev);
- edata->load_count = info->ch_usage[busier_ch].access;
- edata->total_count = info->ch_usage[busier_ch].total;
+ edata->load_count = dfi->ch_usage[busier_ch].access;
+ edata->total_count = dfi->ch_usage[busier_ch].total;
return 0;
}
@@ -176,46 +176,46 @@ MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match);
static int rockchip_dfi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct rockchip_dfi *data;
+ struct rockchip_dfi *dfi;
struct devfreq_event_desc *desc;
struct device_node *np = pdev->dev.of_node, *node;
- data = devm_kzalloc(dev, sizeof(struct rockchip_dfi), GFP_KERNEL);
- if (!data)
+ dfi = devm_kzalloc(dev, sizeof(*dfi), GFP_KERNEL);
+ if (!dfi)
return -ENOMEM;
- data->regs = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(data->regs))
- return PTR_ERR(data->regs);
+ dfi->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(dfi->regs))
+ return PTR_ERR(dfi->regs);
- data->clk = devm_clk_get(dev, "pclk_ddr_mon");
- if (IS_ERR(data->clk))
- return dev_err_probe(dev, PTR_ERR(data->clk),
+ dfi->clk = devm_clk_get(dev, "pclk_ddr_mon");
+ if (IS_ERR(dfi->clk))
+ return dev_err_probe(dev, PTR_ERR(dfi->clk),
"Cannot get the clk pclk_ddr_mon\n");
/* try to find the optional reference to the pmu syscon */
node = of_parse_phandle(np, "rockchip,pmu", 0);
if (node) {
- data->regmap_pmu = syscon_node_to_regmap(node);
+ dfi->regmap_pmu = syscon_node_to_regmap(node);
of_node_put(node);
- if (IS_ERR(data->regmap_pmu))
- return PTR_ERR(data->regmap_pmu);
+ if (IS_ERR(dfi->regmap_pmu))
+ return PTR_ERR(dfi->regmap_pmu);
}
- data->dev = dev;
+ dfi->dev = dev;
- desc = &data->desc;
+ desc = &dfi->desc;
desc->ops = &rockchip_dfi_ops;
- desc->driver_data = data;
+ desc->driver_data = dfi;
desc->name = np->name;
- data->edev = devm_devfreq_event_add_edev(&pdev->dev, desc);
- if (IS_ERR(data->edev)) {
+ dfi->edev = devm_devfreq_event_add_edev(&pdev->dev, desc);
+ if (IS_ERR(dfi->edev)) {
dev_err(&pdev->dev,
"failed to add devfreq-event device\n");
- return PTR_ERR(data->edev);
+ return PTR_ERR(dfi->edev);
}
- platform_set_drvdata(pdev, data);
+ platform_set_drvdata(pdev, dfi);
return 0;
}
--
2.30.2
next prev parent reply other threads:[~2023-02-16 10:37 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-16 10:36 [PATCH v3 00/19] Add perf support to the rockchip-dfi driver Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 01/19] PM / devfreq: rockchip-dfi: Embed desc into private data struct Sascha Hauer
2023-02-16 10:36 ` Sascha Hauer [this message]
2023-02-16 10:36 ` [PATCH v3 03/19] PM / devfreq: rockchip-dfi: Make pmu regmap mandatory Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 04/19] PM / devfreq: rockchip-dfi: Add SoC specific init function Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 05/19] PM / devfreq: rockchip-dfi: dfi store raw values in counter struct Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 06/19] PM / devfreq: rockchip-dfi: Use free running counter Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 07/19] PM / devfreq: rockchip-dfi: introduce channel mask Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 08/19] PM / devfreq: rk3399_dmc,dfi: generalize DDRTYPE defines Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 09/19] PM / devfreq: rockchip-dfi: Clean up DDR type register defines Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 10/19] PM / devfreq: rockchip-dfi: Add RK3568 support Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 11/19] PM / devfreq: rockchip-dfi: Handle LPDDR2 correctly Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 12/19] PM / devfreq: rockchip-dfi: Handle LPDDR4X Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 13/19] PM / devfreq: rockchip-dfi: Pass private data struct to internal functions Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 14/19] PM / devfreq: rockchip-dfi: Prepare for multiple users Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 15/19] PM / devfreq: rockchip-dfi: Add perf support Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 16/19] arm64: dts: rockchip: rk3399: Enable DFI Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 17/19] arm64: dts: rockchip: rk356x: Add DFI Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 18/19] dt-bindings: devfreq: event: convert Rockchip DFI binding to yaml Sascha Hauer
2023-02-16 10:36 ` [PATCH v3 19/19] dt-bindings: devfreq: event: rockchip,dfi: Add rk3568 support Sascha Hauer
2023-03-06 13:25 ` [PATCH v3 00/19] Add perf support to the rockchip-dfi driver Sascha Hauer
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