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From:   Manish Narani <manish.narani@xilinx.com>
To:     ulf.hansson@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com,
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Subject: [PATCH v4 1/8] mmc: sdhci-of-arasan: Separate out clk related data to another structure
Date:   Tue, 29 Oct 2019 16:00:35 +0530
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To improve the code readability, use two different structs, one for
clock provider data and one for mmc platform data.

Signed-off-by: Manish Narani <manish.narani@xilinx.com>
---
 drivers/mmc/host/sdhci-of-arasan.c | 31 ++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 7023cbec4017..701b6cc0f9a3 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -71,14 +71,23 @@ struct sdhci_arasan_soc_ctl_map {
 	bool					hiword_update;
 };
 
+/**
+ * struct sdhci_arasan_clk_data
+ * @sdcardclk_hw:	Struct for the clock we might provide to a PHY.
+ * @sdcardclk:		Pointer to normal 'struct clock' for sdcardclk_hw.
+ */
+struct sdhci_arasan_clk_data {
+	struct clk_hw	sdcardclk_hw;
+	struct clk      *sdcardclk;
+};
+
 /**
  * struct sdhci_arasan_data
  * @host:		Pointer to the main SDHCI host structure.
  * @clk_ahb:		Pointer to the AHB clock
  * @phy:		Pointer to the generic phy
  * @is_phy_on:		True if the PHY is on; false if not.
- * @sdcardclk_hw:	Struct for the clock we might provide to a PHY.
- * @sdcardclk:		Pointer to normal 'struct clock' for sdcardclk_hw.
+ * @clk_data:		Struct for the Arasan Controller Clock Data.
  * @soc_ctl_base:	Pointer to regmap for syscon for soc_ctl registers.
  * @soc_ctl_map:	Map to get offsets into soc_ctl registers.
  */
@@ -89,8 +98,7 @@ struct sdhci_arasan_data {
 	bool		is_phy_on;
 
 	bool		has_cqe;
-	struct clk_hw	sdcardclk_hw;
-	struct clk      *sdcardclk;
+	struct sdhci_arasan_clk_data clk_data;
 
 	struct regmap	*soc_ctl_base;
 	const struct sdhci_arasan_soc_ctl_map *soc_ctl_map;
@@ -520,8 +528,10 @@ static unsigned long sdhci_arasan_sdcardclk_recalc_rate(struct clk_hw *hw,
 						      unsigned long parent_rate)
 
 {
+	struct sdhci_arasan_clk_data *clk_data =
+		container_of(hw, struct sdhci_arasan_clk_data, sdcardclk_hw);
 	struct sdhci_arasan_data *sdhci_arasan =
-		container_of(hw, struct sdhci_arasan_data, sdcardclk_hw);
+		container_of(clk_data, struct sdhci_arasan_data, clk_data);
 	struct sdhci_host *host = sdhci_arasan->host;
 
 	return host->mmc->actual_clock;
@@ -633,6 +643,7 @@ static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
 				       struct clk *clk_xin,
 				       struct device *dev)
 {
+	struct sdhci_arasan_clk_data *clk_data = &sdhci_arasan->clk_data;
 	struct device_node *np = dev->of_node;
 	struct clk_init_data sdcardclk_init;
 	const char *parent_clk_name;
@@ -655,13 +666,13 @@ static int sdhci_arasan_register_sdclk(struct sdhci_arasan_data *sdhci_arasan,
 	sdcardclk_init.flags = CLK_GET_RATE_NOCACHE;
 	sdcardclk_init.ops = &arasan_sdcardclk_ops;
 
-	sdhci_arasan->sdcardclk_hw.init = &sdcardclk_init;
-	sdhci_arasan->sdcardclk =
-		devm_clk_register(dev, &sdhci_arasan->sdcardclk_hw);
-	sdhci_arasan->sdcardclk_hw.init = NULL;
+	clk_data->sdcardclk_hw.init = &sdcardclk_init;
+	clk_data->sdcardclk =
+		devm_clk_register(dev, &clk_data->sdcardclk_hw);
+	clk_data->sdcardclk_hw.init = NULL;
 
 	ret = of_clk_add_provider(np, of_clk_src_simple_get,
-				  sdhci_arasan->sdcardclk);
+				  clk_data->sdcardclk);
 	if (ret)
 		dev_err(dev, "Failed to add clock provider\n");
 
-- 
2.17.1